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Publications

Cognitive impairment and sedentary behavior predict health-related attrition in a prospective longitudinal Parkinson’s disease study

Patricia Sulzer, Susanne Gräber, Eva Schaeffer, Rob van Lummel, Daniela Berg, Walter Maetzler, Inga Liepelt-Scarfone
Jan 2021

Aim of this exploratory observational study was to evaluate the impact of cognitive impairment and sedentary physical behavior, assessed in a domestic environment, to longitudinally predict study drop-out due to sickness and death in PD.

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Moving singing for lung health online in response to COVID-19: experience from a randomised controlled trial

Keir EJ Philip, Adam Lewis, Edmund Jeffery, Sara Buttery, Phoene Cave, Daniele Cristiano, Adam Lound, Karen Taylor, William D-C Man, Daisy Fancourt, Michael I Polkey and Nicholas S Hopkinson
Nov 2020

Can Singing for Lung Health (SLH) be delivered online for people with chronic obstructive pulmonary disease? And if so, what are the practical issues and how does the experience compare with face-to-face participation?

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Wearable Health Technology to Quantify the Functional Impact of Peripheral Neuropathy on Mobility in Parkinson’s Disease: A Systematic Review

Marta Francisca Corrà, Elke Warmerdam, Nuno Vila-Chã, Walter Maetzler, and Luís Maia
Nov 2020

his review provides a comprehensive overview of the methodologies and the most relevant features to investigate peripheral neuropathy and PD motor deficits with wearables.

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An Objective Methodology for the Selection of a Device for Continuous Mobility Assessment

Tecla Bonci, Alison Keogh, Silvia Del Din, Kirsty Scott, Claudia Mazzà, and on behalf of the Mobilise-D consortium
Nov 2020

The primary aim of this study is to design a bespoke decision matrix to assist in selecting the optimal wearable device for continuous mobility monitoring.

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Mismatch of Subjective and Objective Risk of Falling in Patients with Dementia

Klaus Hauer, Michael Schwenk, Stefan Englert, Rixt Zijlstra, Sabine Tuerner, Ilona Dutzi
Nov 2020

The objective was to analyze mismatch of objective and subjective fall risk and associated factors in Patients with Dementia.

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Data Reproducibility and Effectiveness of Bronchodilators for Improving Physical Activity in COPD Patients

Yoshiaki Minakata and Seigo Sasaki
Oct 2020

In this review, we listed the indicators of physical activity (PA) and the factors influencing the reproducibility of indicators of PA, and reviewed reports that evaluated the effects of bronchodilators on PA in COPD patients using an accelerometer. Then, we investigated the influence of these factors on the results of the effectiveness of bronchodilator treatment. Finally, we described the sedentary behavior that has received attention as a risk factor for mortality independent of PA.

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“Can Do” Versus “Do Do” in Patients with Asthma at First Referral to a Pulmonologist

Steffi M.J. Janssen, Martijn A. Spruit, Jeanine C. Antons, Remco S. Djamin, Jannie J. Abbink, Hanneke A.C. van Helvoort, Alex J. van 't Hul
Oct 2020

The objective was to explore the “can do, do do” concept in adult patients with asthma at referral for the first time to an outpatient consultation of a pulmonologist.

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A systematic review of the physical activity levels of acutely ill older adults in Hospital At Home settings: an under-researched field

Jennifer Scott, Ukachukwu O. Abaraogu, Graham Ellis, Maria Giné-Garriga & Dawn A. Skelton
Oct 2020

The aim was to identify, evaluate and synthesise the evidence concerning the physical activity levels of acutely-ill older patients undergoing ‘Hospital At Home’ treatment compared to those of patients with similar characteristics in a traditional hospital inpatient setting.

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Reliability and Validity of Patient-Reported, Rater-Based, and Hybrid Physical Activity Assessments in COPD: A Systematic Review

Review Shweta Gore, Tirupathi Chindam, Allon Goldberg, Min H. Huang, Michael Shoemaker & Jennifer Blackwood
Oct 2020

The purpose of this systematic review was to compare the validity and reliability among PA assessments in COPD.

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Inadequate energy and protein intake in geriatric outpatients with mobility problems

Suey S.Y. Yeung, Marijke C. Trappenburg, Carel G.M. Meskers, Andrea B. Maier & Esmee M. Reijnierse
Sep 2020

his study explored the nutritional needs (ie, energy balance and protein balance) and if this is dependent on nutritional status and sarcopenia status of geriatric outpatients with mobility problems.

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Association between Daily-Life Gait Quality Characteristics and Physiological Fall Risk in Older People

Sabine Schootemeijer, Roel H.A. Weijer, Marco J.M. Hoozemans, Kimberley S. van Schooten, Kim Delbaere and Mirjam Pijnappels
Sep 2020

Our aim was to test whether these gait quality characteristics are associated with the severity of fall risk.

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Specific Motor and Cognitive Performances Predict Falls during Ward-Based Geriatric Rehabilitation in Patients with Dementia

Klaus Hauer, Ilona Dutzi, Katharina Gordt and Michael Schwenk
Sep 2020

The aim of this study was to identify in-hospital fall risk factors specific for multimorbid hospitalized geriatric patients with dementia (PwD) during hospitalization.

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Serum Acylglycerols Inversely Associate with Muscle Oxidative Capacity in Severe COPD

Rongsong Li, Alessandra Adami, Chih-Chiang Chang, Chi-Hong Tseng, Tzung K. Hsiai, Harry B. Rossiter
Sep 2020

We aimed to determine whether metabolic derangements in COPD are associated with skeletal muscle deconditioning and/or physical inactivity, independent of pulmonary obstruction.

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Association between air pollution and physical activity in patients with COPD

Maria Koreny, Magda Bosch De Basea, Ane Arbillaga-Etxarri, Marta Cirach, Anael Barberan-Garcia, Eulàlia Borrell, Elena Gimeno-Santos, Maria Foraster, Alicia Marín, Pere Vall-Casas, Jordi Vilaró, Robert Rodriguez-Roisin, Judith Garcia-Aymerich
Sep 2020

We aimed to explore the association between air pollution and physical activity in COPD patients, hypothesizing that higher levels of air pollution may negatively impact on physical activity.

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Concurrent Validity, Test-Retest Reliability, and Sensitivity to Change of a Single Body-Fixed Sensor for Gait Analysis during Rollator-Assisted Walking in Acute Geriatric Patients

Christian Werner, Patrick Heldmann, Saskia Hummel, Laura Bauknecht, Jürgen M. Bauer, and Klaus Hauer
Aug 2020

The study’s aim was to evaluate the concurrent validity, test-retest-reliability, and sensitivity to change of a BFS (DynaPort MoveTest; McRoberts B.V., The Hague, The Netherlands) for measuring gait parameters during rollator-assisted walking.

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Assessment of Objectively Measured Physical Activity as an Independent Estimator of Functional Status in Clinical Trials

Ruben Buendia, Halsey Lea, Bo Zhang, Jesper Havsol, Faisal M. Khan, Henrik Sillén, Glynn Dennis
Aug 2020

The data recorded in the ACTIVATE trial represents an opportunity to assess the relationship between PA, including change in PA from baseline, cycle ergometry Exercise Endurance Time (EET), including change in EET from baseline, and questionnaires aimed at assessing physical performance.

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An age-adapted plyometric exercise program improves dynamic strength, jump performance and functional capacity in older men either similarly or more than traditional resistance training

Evelien Van Roie, Simon Walker, Stijn Van Driessche, Tijs Delabastita, Benedicte Vanwanseele, Christophe Delecluse
Aug 2020

This study compared the effects of plyometric exercise on power, force production, jump and functional performance to traditional resistance training and walking in older men. Importantly, feasibility was investigated.

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Quantitative mobility measures complement the MDS-UPDRS for characterization of Parkinson disease heterogeneity

Emily J Hill, Carl Grant Mangleburg, Isabel Alfradique-Dunham, Brittany Ripperger, Amanda Stillwell, Hiba Saade, Sindhu Rao, Oluwafunmiso Fagbongbe, Rainer von Coelln, Arjun Tarakad, Christine Hunter, Robert J Dawe, Joseph Jankovic, Lisa M Shulman, Aron S Buchman, Joshua M Shulman
Aug 2020

We evaluated quantitative mobility measures from a wearable device compared to the conventional motor assessment, the Movement Disorders Society-Unified PD Rating Scale part III (motor MDS-UPDRS).

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Ursodeoxycholic acid as a novel disease-modifying treatment for Parkinson’s disease: protocol for a two-centre, randomised, double-blind, placebo-controlled trial, The ‘UP’ study

Thomas Payne, Matilde Sassani, Ellen Buckley, Sarah Moll, Adriana Anton, Matthew Appleby, Seema Maru, Rosie Taylor, Alisdair McNeill, N Hoggard, Claudia Mazza, Iain D Wilkinson, Thomas Jenkins, Thomas Foltynie, and O Bandmann
Aug 2020

The aims of this trial are to determine safety and tolerability of UDCA in PD at 30 mg/kg, confirm the target engagement of UDCA, apply a novel motion sensor-based approach to quantify disease progression objectively, and estimate the mean effect size and its variance on the change in motor severity.

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Accuracy of consumer-based activity trackers as measuring tool and coaching device in patients with COPD and healthy controls

Astrid Blondeel, Heleen Demeyer, Wim Janssens & Thierry Troosters
Aug 2020

The aim of this study is to investigate the accuracy of two consumer-based activity trackers (i.e. Fitbit Zip, worn at the hip and Fitbit Alta, worn at the wrist) in patients with COPD and healthy age-matched controls, 1) to measure the PA of a patient (‘accuracy as a measuring tool’); and 2) to distinguish more and less active days at an individual level (‘validity as a coaching tool’), as compared to a validated activity monitor (i.e. Dynaport Movemonitor)

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Bone Metabolism Impairment in Heart Transplant: Results From a Prospective Cohort Study

Luis Seguro, Rosa Pereira, Luciana Seguro, Valeria Caparbo, Monica Avila, Sandrigo Mangini, Iascara Campos, Fabio Gaiotto, Fabiana Marcondes-Braga, Fernando Bacal
Jul 2020

The aim of the present study was to evaluate bone metabolism biomarkers, bone mass loss, bone microarchitecture changes, and frequency of vertebral fractures in the first year after HTx.

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Wearable technologies to measure clinical outcomes in multiple sclerosis: A scoping review

Sarah Alexander, Guy Peryer, Emma Gray, Frederik Barkhof and Jeremy Chataway
Jul 2020

We reviewed wearable technology solutions with a particular interest in their potential to detect changes in function for people with multiple sclerosis in a more reliable and accurate manner, and their suitability for use in a UK-wide multi-centre platform trial.

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Real-Life Multimarker Monitoring in Patients with Heart Failure: Continuous Remote Monitoring of Mobility and Patient-Reported Outcomes as Digital End Points in Future Heart-Failure Trials

Frank Kramer, Javed Butler, Sanjiv J. Shah, Christian Jung, Savina Nodari, Stephan Rosenkranz, Michele Senni, Luke Bamber, Stephan Cichos, Chrysanthi Dori, Toeresin Karakoyun, Gabriele Jenny Köhler, Kinjal Patel, Paolo Piraino, Thomas Viethen, Praneeth Chennuru, Ayse Paydar, Jason Sims, Richard Clark, Rob van Lummel, Alexandra Müllert, Chad Gwaltney, Salko Smajlovic, Hans-Dirk Düngen & Wilfried Dinh
Jun 2020

The aim of the REALIsM-HF (NCT03507439) pilot study is to evaluate a composite instrument combining remote physical activity monitoring with daily electronic PRO questionnaires in patients with HFpEF and HFrEF under real-life conditions. The study will also start building reference data for use in future drug and device development programs as well as in the clinical management of patients

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Different Combinations of Mobility Metrics Derived From a Wearable Sensor Are Associated With Distinct Health Outcomes in Older Adults

Aron S Buchman, Robert J Dawe, Sue E Leurgans, Thomas A Curran, Timothy Truty, Lei Yu, Lisa L Barnes, Jeffrey M Hausdorff, David A Bennett
Jun 2020

Gait speed is a robust nonspecific predictor of health outcomes. We examined if combinations of gait speed and other mobility metrics are associated with specific health outcomes.

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Fall risk assessment in the wild: A critical examination of wearable sensors use in free-living conditions

Mina Nouredanesh, Alan Godfrey, Jennifer Howcroft, Edward D. Lemaire, James Tung
May 2020

The objective of this narrative literature review is to discuss papers investigating natural data collected by wearable sensors for a duration of at least 24 hours to identify fall-prone older adults.

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Perturbation-based gait training to improve daily life gait stability in older adults at risk of falling: protocol for the REACT randomized controlled trial

Markus M. Rieger, Selma Papegaaij, Frans Steenbrink, Jaap H. van Dieën and Mirjam Pijnappels
May 2020

We aimed to design and test a 4-week treadmill training, with a combination of gait perturbation under dual task conditions, to maximize effects on balance and gait performance under real-life conditions.Through a randomized clinical trial, we want to investigate the added value of a high number of perturbations in the experimental group under dual-task conditions compared to treadmill training under dual-task conditions without perturbations on daily life gait, stability, balance performance, self-efficacy and falls.

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Reliability and validity of eccentric strength measurement of the shoulder abductor muscles using a hand-held dynamometer

Damla Karabay, Sevgi Sevi Yesilyaprak, Gonca Sahiner Picak
May 2020

The objective was to investigate the validity and intrarater and interrater reliability of eccentric strength testing of the shoulder abductors using a hand-held dynamometer (HHD) versus an isokinetic dynamometer.

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Effectiveness of an exercise training programme COPD in primary care: A randomized controlled trial

Annemieke Fastenau, Onno C.P. van Schayck, Bjorn Winkens, Karin Aretz, Rik Gosselink, Jean W.M. Muris
May 2020

This study assessed the effectiveness of an exercise training programme in primary care.

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Validation of a Motor-Cognitive Assessment for a Stepping Exergame in Older Adults: Use of Game-Specific, Internal Data Stream

Elena Litz, Caroline Ball, Carl-Philipp Jansen, Christian Werner, Eling de Bruin, and Klaus Hauer
Apr 2020

The objective is to comprehensively validate an assessment tailored to an exergaming training program with motor-cognitive challenges.

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Wearable Solutions for Patients with Parkinson’s Disease and Neurocognitive Disorder: A Systematic Review

Asma Channa, Nirvana Popescu and Vlad Ciobanu
Apr 2020

The aim of this systematic review is to find the use of sensor based wearable devices in the diagnosing and monitoring of PD patients, analyzing their role in enhancing PD patients’ quality of life (QoL) and clearly identifying how wearables can help in finding the results of various fitness and rehabilitation exercises.

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Freezing of Gait in People with Parkinson’s Disease: Nature, Occurrence, and Risk Factors

Stephen R. Lord, Helen Bindels, Mira Ketheeswaran, Matthew A. Brodie, Andrew D. Lawrence, Jacqueline C.T. Close, Alan L. Whone, Yoav Ben-Shlomoh and Emily J. Henderson
Apr 2020

Our aims were to: a) document the occurrence and nature of freezes, cognitive stops and stumbles in people with PD when completing simple, dual-task (DT) and a FOG eliciting condition; and b) identify disease- and medication-related factors associated with objectively measured freezing episodes.

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Muscle Oxidative Capacity Is Reduced in Both Upper and Lower Limbs in COPD

Alessandra Adami, Rogerio B. Corvino, Robert A. Calmelat, Janos Porszasz, Richard Casaburi & Harry B. Rossiter
Apr 2020

This study determined whether muscle oxidative capacity is low in both upper and lower limbs of COPD patients compared with controls.

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Quantifying Habitual Physical Activity and Sedentariness in Older Adults—Different Outcomes of Two Simultaneously Body-Worn Motion Sensor Approaches and a Self-Estimation

Rieke Trumpf, Wiebren Zijlstra, Peter Haussermann and Tim Fleiner
Mar 2020

The aim of this study is to compare habitual PA and sedentariness, as assessed with (1) a wrist-worn actigraph, (2) a hybrid motion sensor attached to the lower back, and (3) a self-estimation based on a questionnaire.

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The London Chest Activity of Daily Living scale cut-off point to discriminate functional status in patients with chronic obstructive pulmonary disease

Aline Almeida Gulart, Anelise Bauer Munari, Suelen Roberta Klein, Raysa Silva Venâncio, Hellen Fontão Alexandre, Anamaria Fleig Mayer
Mar 2020

The objective was to determine the cut-off point for the London Chest Activity of Daily Living scale in order to better discriminate functional status. Secondarily, to determine which of the scores (total or %total) is better associated with clinical outcomes of a pulmonary rehabilitation program.

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The detection of age groups by dynamic gait outcomes using machine learning approaches

Yuhan Zhou, Robbin Romijnders, Clint Hansen, Jos van Campen, Walter Maetzler, Tibor Hortobágyi & Claudine J. C. Lamoth
Mar 2020

he purpose of the present study was to classify healthy young-middle aged, older adults and geriatric patients based on dynamic gait outcomes. Classification performance of three supervised machine learning methods was compared.

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Postural control in karate practitioners: Does practice make perfect?

Amit Hadad, Natalie Ganz, Nathan Intrator, Neta Maimon, Lior Molcho, Jeffrey M. Hausdorff
Mar 2020

Will the postural control of experienced karate practitioners be better than that of experienced swimmers, i.e., athletes with similar characteristics who do not practice under conditions that require upright postural control?

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Are cost-effective technologies feasible to measure gait in older adults? A systematic review of evidence-based literature

Runting Zhong and Pei-Luen Patrick Rau
Mar 2020

The objective of this study is to provide an overview of gait assessment for older adults by investigating critical gait characteristics of older adults, discussing advantages and disadvantages of the current gait assessment technologies, as well as device applicability.

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Tossing and Turning in Bed: Nocturnal Movements in Parkinson’s Disease

Anat Mirelman, Inbar Hillel, Lynn Rochester, Silvia Del Din, Bastiaan R. Bloem, Laura Avanzino, Alice Nieuwboer, Inbal Maidan, Talia Herman, Avner Thaler, Tanya Gurevich, Meir Kestenbaum Avi, Orr‐Urtreger, Mirek Brys, Jesse M. Cedarbaum, Nir Giladi, Jeffrey M. Hausdorff
Feb 2020

This study assessed the prevalence of sleep disturbances and nocturnal hypokinesia in early and advanced PD and their relation to nonmotor symptoms and dopaminergic medication.

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How much do hospitalized adults move? A systematic review and meta-analysis

Sarina Fazio, Jacqueline Stocking, Brooks Kuhn, Amy Doroy, Emma Blackmon, Heather M. Young & Jason Y. Adams
Feb 2020

The aim was to quantify the type and duration of physical activity performed by hospitalized adults.

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Seeing the world through different lenses: activity registration differs between two validated accelerometers

Marieke C. van der Molen, Jorine E. Hartman, Lowie E.G.W. Vanfleteren, Dirk-Jan Slebos
Jan 2020

We aimed to investigate whether or not there were differences in non-worn time and type of activity registration between the Actigraph GT3X and DynaPort MoveMonitor in the first 10 participants of our study

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Performance difference on the six-minute walk test on tracks of 20 and 30 meters for patients with chronic obstructive pulmonary disease: validity and reliability

Suelen Roberta Klein, Aline Almeida Gulart, Raysa Silva Venâncio, Anelise Bauer Munari, Simone Graciosa Gavenda, Ana Carolina Benedet Martins, Anamaria FleigMayer
Jan 2020

The objective was to compare the performance between the 6MWT on a 30- (6MWT30) and 20-meter (6MWT20) track; to evaluate the validity and reliability of the 6MWT30 and the 6MWT20; and to determine for which patients track length has the greatest impact on performance.

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Validity and reliability of wearable inertial sensors in healthy adult walking: a systematic review and meta-analysis

Dylan Kobsar, Jesse M. Charlton, Calvin T.F. Tse, Jean-Francois Esculier, Angelo Graffos, Natasha M. Krowchuk, Daniel Thatcher and Michael A. Hunt
Jan 2020

We aimed to conduct a systematic review and meta-analysis to determine the i) concurrent validity and ii) test-retest reliability of IMUs for measuring biomechanical gait outcomes during level walking in healthy adults.

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Daily physical activity significantly improves after endobronchial valve treatment in patients with emphysema

Jorine E. Hartman, Karin Klooster, dirk-Jan Slebos, Nick H.T. Ten Hacken
Dec 2019

For the first time, we investigated the effect of EBV treatment on daily physical activity in patients with severe emphysema, also to assess its potential as efficacy outcome parameter in this patient group.

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Gait quality assessed by trunk accelerometry after total knee arthroplasty and its association with patient related outcome measures

Bas L. Fransen, Nina M.C. Mathijssen, Karin Slot, Nicole H.H. de Esch, Hennie Verburg, Olivier P.P. Temmerman, Marco J.M. Hoozemans, Jaap H. van Dieen
Dec 2019

The aim of this study was to assess gait quality with accelerometers before and after surgery, and to assess added value of resulting parameters to patient reported outcome measures scores.

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Barriers to and enablers of physical activity following a hospitalisation for COPD exacerbation

Beatriz Valeiro Gonzalez, Esther Rodriguez, Alba Gomez, Ana Isabel Mayer, Jordi Ibañez, Alex Pasarín, Jaume Ferrer, Maria Antonia Ramon
Dec 2019

Little is known about the barriers and enablers of PA after these events and their relationship with objective PA

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Current clinical utilisation of wearable motion sensors for the assessment of outcome following knee arthroplasty: a scoping review

Scott R Small, Garrett S Bullock, Sara Khalid, Karen Barker, Marialena Trivella, Andrew James Price
Nov 2019

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Physical Activity in Daily Life, Exercise Capacity and Quality of Life in Patients with Crohn’s Disease on Infliximab-induced Remission: A Preliminary Study

Andrea L. Cabalzar, Felipe M. de Azevedo, Fernando de Azevedo Lucca, M. de Moura Reboredo, Carla Maluguti, Júlio M. F. Chebli
Oct 2019

To evaluate the physical activity in daily life, exercise capacity, quality of life, and prevalence of mood disorders in patients with moderate-to-severe Crohn’s disease on infliximab-induced remission and the possible associations among variables.

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Multi-day Longitudinal Assessment of Physical Activity and Sleep Behavior Among Healthy Young and Older Adults Using Wearable Sensors

R. Soangra
Oct 2019

In the perspective of movement behavior, it is not well understood how are elderly different from younger ones. It is not known whether they produce only low frequency movement accelerations or the overall number of movements produced are reduced in elderly. It is also not known how elderly and younger ones perform movement transitions throughout the duration of a day and during night-time sleep.

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Quality of Daily-Life Gait: Novel Outcome for Trials that Focus on Balance, Mobility, and Falls.

K.S. van Schooten, M. Pijnappels, S.R. Lord, J.H. van Dieen
Oct 2019

We propose that the quality of daily-life gait is a promising outcome for intervention studies that focus on improving balance and mobility and reducing falls.

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Behavioural interventions targeting physical activity improve psychocognitive outcomes in COPD

Kim L. Lavoie, Maria Sedeno, Alan Hamilton, Pei-Zhi Li, Dorothy De Sousa, Thierry Troosters, François Maltais, Jean Bourbeau
Oct 2019

This study explored the impact of a self-management behaviour modification (SMBM) programme with/without bronchodilators and with/without exercise training (ExT) to improve daily physical activity on psychological and cognitive outcomes in COPD patients as a secondary analysis of the PHYSACTO trial.

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Progression of physical inactivity in COPD patients: the effect of time and climate conditions – a multicenter prospective cohort study

Afroditi K. Boutou, Yogini Raste, Heleen Demeyer, Thierry Troosters, Michael I. Polkey, Ioannis Vogiatzis, Zefeiris Louvaris, Roberto A. Rabinovich, Thys van der Molen, Judith Garcia-Aymerich, Nicholas S. Hopkinson
Sep 2019

We aimed to assess the effect of time and climate conditions (temperature, day length and rainfall) on progression of PA in a cohort of COPD patients.

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Wavelet-Based Analysis of Physical Activity and Sleep Movement Data from Wearable Sensors among Obese Adults

Rahul Songra, Vennila Krishnan
Aug 2019

The purpose of this study was to explore new clinically relevant metrics using movement amplitude and frequency from longitudinal wearable sensor data in obese and non-obese young adults.

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Gait analysis with wearables predicts conversion to Parkinson disease

Silvia Del Din, Morad Elshehabi, Brook Galna, Markus A. Hobert, Elke Warmerdam, Ulrike Suenkel, Kathrin Brockmann, Florian Metzger, Clint Hansen, Daniela Berg, Lynn Rochester & Walter Maetzler
Jul 2019

The aim of this longitudinal prospective observational study was to establish gait impairments and trajectories in the prodromal phase of PD, identifying which gait characteristics are potentially early diagnostic markers of PD.

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Preliminary evidence for physical activity following pelvic exenteration: a pilot longitudinal cohort study

Daniel Steffens, Jane M. Young, Michael Solomon, Paula R. Beckenkamp, Cherry Koh, Kenneth Vuong, Matthew A. Brodie, Kim Delbaere
Jul 2019

This pilot study aimed to: (i) Compare preoperative PA level between patients undergoing major cancer surgery and the general population; (ii) describe PA trajectories following major cancer surgery; (iii) Compare objective versus subjective PA measures in patients undergoing major cancer surgery; and (iv) Investigate the association between preoperative PA level and postoperative outcomes.

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Differential Associations Between Distinct Components of Cognitive Function and Mobility: Implications for Understanding Aging, Turning and Dual-Task Walking

Preeti Sunderaraman, Inbal Maidan, Tal Kozlovski, Zoltan Apa, Anat Mirelman, Jeffrey M. Hausdorff and Yaakov Stern
Jul 2019

The current study sought to parse out the differential associations in a healthy cohort by generating a relatively large matrix of the cognitive and motor measurements. Such an approach can improve the sensitivity to detect relationships between mobility and cognition.

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Trunk inclination and hip extension mobility, but not thoracic kyphosis angle, are related to 3D-accelerometry based gait alterations and increased fall-risk in older persons

Jeroen Demarteau, Bart Jansen, Bart van Keymolen, Tony Mets, Ivan Bautmans
Jul 2019

Are spinal posture and mobility related to 3D-accelerometry based gait analysis, functional performance and fall-risk in ageing?

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Different combinations of mobility metrics derived from a wearable sensor are associated with distinct health outcomes in older adults

Aron S. Buchman, Robert J. Dawe, Sue E. Leurgans, Thomas A. Curran, Timothy Truty, Lei Yu, Lisa L. Barnes, Jeffrey M. Hausdorff, David A. Bennett
Jun 2019

We examined if combinations of gait speed and other mobility metrics are associated with specific health outcomes.

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Older People with Dementia Have Reduced Daily-Life Activity and Impaired Daily-Life Gait When Compared to Age-Sex Matched Controls

Morag E. Taylor, Matthew A. Brodie, Kimberley S. van Schooten, Kim Delbaere, Jacqueline C.T. Close, Narelle Payne, Lyndell Webster, Jessica Chow, Garth McInerney, Susan E. Kurrle, Stephen R. Lord
Jun 2019

The aim of the study was to assess differences in daily-life activity levels and gait characteristics between community-dwelling older people with mild to moderate dementia (n = 45; mean age 81±6 years, 42% female) and age-sex matched (1:2) cognitively-healthy controls (n = 90).

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Quantitative mobility metrics from a wearable sensor predict incident parkinsonism in older adults

Rainer von Coelln, Robert J. Dawe, Sue E. Leurgans, Thomas A. Curran, Timothy Truty, Lei Yu, Lisa L. Barnes, Joshua M. Shulman, Lisa M. Shulman, David A. Bennet, Jeffrey M. Hausdorff, Aron S. Buchman
Jun 2019

Mobility metrics derived from wearable sensor recordings are associated with parkinsonism in older adults. We examined if these metrics predict incident parkinsonism.

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New Sensor and Wearable Technologies to Aid in the Diagnosis and Treatment Monitoring of Parkinson’s Disease

Mariana H.G. Monje, Guglielmo Foffani, José Obeso, and Álvaro Sánchez-Ferro
Jun 2019

New sensor-based and wearable technologies are progressively revolutionizing PD care by objectively measuring these manifestations and improving PD diagnosis and treatment monitoring. However, their use is still limited in clinical practice, perhaps because of the absence of external validation and standards for their continuous use at home. In the near future, these systems will progressively complement traditional tools and revolutionize the way we diagnose and monitor patients with PD.

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Impact of Home Oxygen Therapy on the Level of Physical Activities in Daily Life in Subjects With COPD.

Katerine C. Cani, Darlan L. Matte, Isabela J.C.S. Silva, Aline A. Culart, Manuela Karloh, Anamaria F. Mayer
May 2019

he objective of this study was to compare the level of PADL in subjects with COPD on home oxygen therapy and in subjects with no oxygen therapy, and to investigate whether home oxygen therapy is associated with the level of PADL.

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Sex differences in COPD-related quadriceps muscle dysfunction and fibre abnormalities

Adithya Sharanya, Margherita Ciano, Shirmila Withana, Paul Richard Kemp, Michael Iain Polkey, Samantha Amanda Sathyapala
May 2019

We investigated sex differences in the prevalence of quadriceps dysfunction and fibre abnormalities in a large COPD cohort, controlling for the normal sex differences in health.

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Effectiveness of high intensity interval training supplemented with peripheral and inspiratory resistance training in chronic heart failure: a pilot study

Miek Hornikx, Roselien Buys, Veronique Cornelissen, Michel Deroma & Kaatje Goetschalckx
May 2019

The use of high intensity interval training (HIIT) supplemented with peripheral (PRT) and inspiratory resistance training (IRT) might be more beneficial because of the higher impact on the peripheral and inspiratory muscles, with less symptoms of dyspnoea and lower amount of dropouts as a result. We compared our standard exercise-based CR programme, mainly consisting of moderate intensity interval training to a programme combining HIIT, PRT and IRT (resistance training supplemented HIIT (RHIIT) programme).

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Validity of three accelerometers to investigate lying, sitting, standing and walking

Karin Valkenet, Cindy Veenhof
May 2019

The aim of this study was to assess the criterion validity of three accelerometers to measure lying, sitting, standing and walking.

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Determinants of study completion and response to a 12-month behavioral physical activity intervention in chronic obstructive pulmonary disease: A cohort study

Maria Korony, Heleen De meyer, Ane Arbillaga-Etxarri, Elena Gimeno-Santos, Anael Barberan-Garcia, Marta Benet, Eva Balcells, Eulàlia Borell, Alicia Marin, Diego A. Rodríguez Chiaradía, Pere Vall-Casas, Jordi Vilaró, Robert Rodríguez-Roisin
May 2019

To help to tailor future interventions we aimed to identify the baseline characteristics of COPD patients which predict 12-month completion and response to a behavioral physical activity intervention.

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Gait speed assessed by a 4-meter walk test is not representative of daily-life gait speed in community-dwelling adults

Jeanine van Ancum, Kim van Schooten, Nini H. Jonkman, Bas Huijben, Rob C. van Lummel, Carel Meskers, Andrea B. Maier, Mirjam Pijnappels
May 2019

The aim of this study was to compare 4-m gait speed to the distribution of daily-life gait speed.

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Dual vs. Single Tasking During Circular Walking: What Better Reflects Progression in Parkinson’s Disease

M. E. Micó-Amigo, Isdart Kingma, Sebastian Heinzel, Susanne Nussbaum, Tanja Heger, Rob C. van Lummel, Daniela Berg, Walter Maetzler, Jaap H. van Dieën
May 2019

The aim of this study was to quantitatively identify markers of progressive gait deficits in idiopathic PD while walking over a circular trajectory condition in single-task walking and in different dual-task conditions: (1) circular walking while checking boxes on a paper sheet as fast as possible and (2) circular walking while performing subtraction of 7 as fast as possible. In addition, we aimed to study the added value of dual-tasking assessment over single (circular) walking task assessment in the study of PD progression.

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Effect and feasibility of non-linear periodized resistance training in people with COPD: study protocol for a randomized controlled trial

Erik Frykholm, Peter Klijn, Didier Saey, Hieronymus W. H. van Hees, Per Stål, Thomas Sandström, Ann Sörlin, François Maltais, André Nyberg
May 2019

This is an international, multicenter, randomized controlled trial comparing the effect and feasibility of non-linear periodized resistance training to traditional non-periodized resistance training in people with COPD.

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Capturing Parkinson’s disease heterogeneity with quantitative mobility measures (S10.006)

Emily Hill, Isabel Alfradique-Dunham, C. Grant Mangleburg, Brittany Ripperger, Amanda Stillwell, Sindhu Rao, Hiba Saade, Arjun Tarakad, Joohi Jimenez Shahed, Joseph Jankovic, Aron Buchman, Robert Dawe, Joshua M. Shulman
May 2019

To evaluate clinic-based, quantitative mobility measures using a wearable sensor in comparison with standard clinic assessment for characterization of Parkinson’s disease (PD) heterogeneity, including motor subtypes, cognition, and disability.

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Multifactorial intervention for hip and pelvic fracture patients with mild to moderate cognitive impairment: study protocol of a dual-centre randomised controlled trial (OF-CARE)

Anja Dautel, Tobias Eckert, Michaela Gross, Klaus Hauer, Martina Schäugele, André Lacroix, Ingrid Hendlmeier, Bastian Abel, Rebekka Pomiersky, Julia Gugenhan, Gisela Büchele, Katrin C. Reber, Clemens Becker, Klaus Pfeiffer
Apr 2019

The main aim of this study is to investigate the effects of a transitional care intervention after inpatient rehabilitation on physical activity and functional performance in this group of cognitively impaired patients.

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Effects of intradialytic resistance training on physical activity in daily life, muscle strength, physical capacity and quality of life in hemodialysis patients: a randomized clinical trial

Felipe Martins do Valle, Bruno Valle Pinheiro, Arane A. Almeida Barros, William Ferreira Mendonça, Ana C. de Oliveira, Gustavo de Oliveira Werneck, Rogerio de Paula, Maycon Reboredo
Apr 2019

We evaluated the effects of supervised intradialytic resistance training on physical activity in daily life (PADL), muscle strength, physical capacity and quality of life (QoL) in hemodialysis patients.

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The efficacy of school-based interventions to increase MVPA and MBSE outcomes in adolescent males. A Systematic Review and Meta-Analysis

Ashley Cox, Stuart Fairclough, Maria-Christina Kosteli and Robert J. Noonan
Apr 2019

The purpose of this systematic review and meta-analysis was to investigate the efficacy of school-based interventions to increasemoderate to vigorous physical activity(MVPA)and muscle and bone strengthening exercise (MBSE)outcomes in adolescent males.

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Baseline characteristics associated to improvement of patients with COPD in physical activity in daily life level after pulmonary rehabilitation

Aline A. Gulart, Anelise Bauer Munari, Isabele J. C. Santos Silva, Hellen Fontào Alexandre, Manuela Karloh, Anamaria Fleig Mayer
Apr 2019

To compare baseline characteristics between patients who achieved and failed to achieve the minimal important difference (MID) of PADL post-PR; to verify which baseline variables better predict the change and identify a cut-off point to discriminate MID achievers.

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The London Chest Activity of Daily Living scale cut-off point to discriminate functional status in patients with chronic obstructive pulmonary disease

Aline A. Gulart, Anelise Bauer Munari, Suelen R. Klein, Raysa Silva Venâncio, Hellen Fontào Alexandre, Anamaria Fleig Mayer
Apr 2019

To determine the cut-off point for the London Chest Activity of Daily Living scale in order to better discriminate functional status. Secondarily, to determine which of the scores (total or %total) is better associated with clinical outcomes of a pulmonary rehabilitation program.

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Activity monitors in pulmonary disease

Sameep Sehgal, Bronwyn Small, Kristin B. Highland
Mar 2019

This narrative review summarizes the current evidence of use of activity monitors in COPD, interstitial lung disease, asthma, pulmonary arterial hypertension, cystic fibrosis and lung transplant patients for the purposes of prognostication, monitoring, outcome measures and intervention.

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Depressive symptoms may increase the risk of the future development of freezing of gait in patients with Parkinson’s disease: Findings from a 5-year prospective study

Talia Herman, Shirley Sherma-Shiratzky, Liraz Arie, Jeffrey M. Hausdorff
Mar 2019

We aim to explore which symptoms are associated with future development of FOG in non-freezers.

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Measuring physical activity levels in hospitalized patients: a comparison between behavioural mapping and data from an accelerometer

Karin Valkenet, Petra Bor, Lotte van Delft, Cindy Veenhof
Mar 2019

The aim of this study is to investigate the level of agreement between the behavioural mapping method and an accelerometer to measure physical activity levels in hospitalized patients.

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“Can do” versus “do do”: A Novel Concept to Better Understand Physical Functioning in Patients with Chronic Obstructive Pulmonary Disease

Eleonore H. Koolen, Hieronymus W. van Hees, Rob C. van Lummel, Richard Dekhuijzen, Remco S. Djamin, Martijn A. Spruit, Alex J. van 't Hul
Mar 2019

The current study had two aims: (1) to determine the distribution of patients with COPD over the PC-PA quadrants, and (2) to explore whether differences exist in clinical characteristics between these quadrants.

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The Impact of Paratonia on Fine and Gross Motor Function in Older Adults With Mild and Moderate Dementia

Bieke van Deun, Nele van den Noortgate, Anke van Bladel, Tanneke Palmans, Dirk Cambier
Mar 2019

Paratonia, a form of hypertonia, is often present in severe dementia. However, little is known about muscle tone in early dementia, and the eventual relation between muscle tone abnormalities and changes in fine and gross motor function.

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Windows into human health through wearables data analytics

Daniel R. Witt, Ryan A. Kellogg, Michael P. Snyder and Jessilyn Dunn
Mar 2019

The aim of this review is to highlight a selected group of fitness- and health-related indicators from wearables data and to describe several algorithmic approaches used to generate these higher order indicators.

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Bench stepping with incremental heights improves muscle volume, strength and functional performance in older women

Remco J. Baggen, Evelien van Roie, Sabine M. Verschueren, Stijn van Driessche, Walter Coudyzer, Jaap H. van Dieën, Christophe Delecluse
Feb 2019

This study determined the effects of a 12-week stepping program using incremental step heights (STEEP), on muscle volume, strength, power, functional ability and balance performance in older women.

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Potential Markers of Progression in Idiopathic Parkinson’s Disease Derived From Assessment of Circular Gait With a Single Body-Fixed-Sensor: A 5 Year Longitudinal Study

M. E. Micó-Amigo, Isdart Kingma, Sebastian Heinzel, Sietse M. Rispens, Tanja Heger, Susanne Nussbaum, Rob C. van Lummel, Daniela Berg, Walter Maetzler, Jaap H. van Dieën
Feb 2019

This study aimed to provide quantitative markers of progression in idiopathic PD from the assessment of circular gait (walking in circles) with a single body-fixed inertial sensor placed on the lower back.

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Overview of the Cholinergic Contribution to Gait, Balance and Falls in Parkinson’s Disease

Rosie Morris, Douglas N Martini, Tara Madhyastha, Valerie E. Kelly, Thomas J. Grabowski, John Nutt and Fay Horak
Feb 2019

This review will focus on the three different measurement techniques – pharmacological, imaging and electrophysiological – to collate current evidence for the role of the cholinergic system in gait, balance, and falls in PD.

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Progressive Gait Deficits in Parkinson’s Disease: A Wearable-Based Biannual 5-Year Prospective Study

Markus A. Hobert, Susanne Nussbaum, Tanja Heger, Daniela Berg, Walter Maetzler, Sebastian Heinzel
Feb 2019

Longitudinal changes in gait parameters from a lower-back sensor under convenient and challenging walking conditions in early- and mid-stage PD patients (E-PD, M-PD) compared to controls were investigated.

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Accelerometer Based Stair Climbing in Healthy Subjects: Reference Data and Demographic Differences

L. Verlaan, S.A.A.N Bolink, S.N. van Laarhoven, M. Lipperts, I.C. Heyligers, B. Grimm, R. Senden
Feb 2019

To assess the four FITT components of physical activity with an accelerometer during daily life circumstances and compare with self-reported levels of physical activity in patients with knee osteoarthritis (OA) and a healthy control group.

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Wearable Sensor Technology to Measure Physical Activity (PA) in the Elderly

Ashwini K. Rao
Feb 2019

The goal of this paper is to provide a review of recent work on the use of wearable devices for measuring physical activity (PA) in the elderly.

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A Survey of Assistive Technologies for Assessment and Rehabilitation of Motor Impairments in Multiple Sclerosis

Akilesh Rajavenkatanarayanan, Varun Kanal, Konstantinos Tsiakas, Diane Calderon, Michalis Papakostas, Maher Abujelala, Marnim Galib, James C. Ford, Glenn Wylie and Fillia Makedon
Feb 2019

The main purpose of this survey is to present the available assistive technologies used in MS, providing researchers and clinicians with the different approaches (sensors, robots) used to augment both assessment and rehabilitation approaches for different types of motor impairments (lower/upper body).

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Assessment of balance in unsupported standing with elderly inpatients by force plate and accelerometers

Ulrich Lindemann, Rolf Moe-Nilssen, Simone E. Nicolai, Clemens Becker, Lorenzo Chiari
Feb 2019

The aim of this study was to show possible change in the association between force platform measurement at floor level and accelerometry at hip level in elderly inpatients standing unsupported during rehabilitation.

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Physical Activity Assessment in Children and Adolescents

John R. Sirard, Russel R. Pate
Feb 2019

This article summarises the strengths and limitations of the methods used to evaluate physical activity in children and adolescents.

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Towards Using the Instrumented Timed Up-and-Go Test for Screening of Sensory System Performance for Balance Control in Older Adults

Thomas Gerhardy, Katharina Gordt, Carl-Philipp Jansen and Michael Schwenk
Feb 2019

The aim of this study was to evaluate the association between TUG subphases and performance of the sensory system in an explorative sample.

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Pattern of Habitual Physical Exercise in Myasthenia Gravis Patients

Laura O'Connor, Elisabet Westerberg, Anna Rostedt Punga
Jan 2019

Objective: To evaluate baseline patterns of physical and sedentary behavior in MG patients.

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Virtual reality gait training versus non-virtual reality gait training for improving participation in subacute stroke survivors: Study protocol of the ViRTAS randomized controlled trial

Ilona de Rooij, Ingrid G. L. van de Port, Johanna M. A. Visser-Meily, Jan-Willem Meijer
Jan 2019

The primary aim of this study is to examine the effect of VR gait training on participation in community-living people after stroke.

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The transition between turning and sitting in patients with Parkinson’s disease: A wearable device detects an unexpected sequence of events

Aner Weiss, Talia Herman, Anat Mirelman, Shirley S. Shiratzky, Nir Giladi, Lisa L. Barnes, David A. Bennett, Aron S. Buchman, Jeffrey M. Hausdorff
Jan 2019

In the present study, we evaluated what strategy is employed by patients with Parkinson’s disease (PD) when they transition from turning to sitting.

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Attitudes Towards Adapted Lifestyle-Integrated Functional Exercise Developed for 60–70-Year-Olds: Perceptions of Participants and Trainers

Elisabeth Boulton, Michaela Weber, Helen Hawley-Hague, Ronny Bergquist, Jeanine Van Ancum, Nini H. Jonkman, Kristin Taraldsen, Jorunn L. Helbostad, Andrea B. Maier, Clemens Becker, Chris Todd, Lindy Clemson, Michael Schwenk
Jan 2019

This study tested whether an adapted Lifestyle-integrated Functional Exercise (aLiFE) programme is suitable for adults aged 60–70 years.

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A body-fixed-sensor-based analysis of stair ascent and sit-to-stand to detect age-related differences in leg-extensor power

Evelien van Roie, Stijn van Driessche, Bas Huijben, Remco Baggen, Rob C. van Lummel, Christophe Delecluse
Jan 2019

We investigated whether a body-fixed sensor-based analysis of power during stair ascent (SA) and sit-to-stand (STS) is positively related to LEP and whether its ability to detect age-related declines is similar.

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Minimal change in physical activity after lower limb joint arthroplasty, but the outcome measure may be contributing to the problem: a systematic review and meta-analysis

Kathryn Mills, Brooke Falchi, Caitlin Duckett and Justine Naylor
Jan 2019

The aims of this systematic review were to determine if PA levels improve after TKA or THA, and whether outcome measures and devices used to measure PA contribute to contradictory results in PA reporting by published studies.

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The Adapted Lifestyle-Integrated Functional Exercise Program for Preventing Functional Decline in Young Seniors: Development and Initial Evaluation

Michael Schwenk, Ronny Bergquist, Elisabeth Boulton, Jeanine M. van Ancum, Corinna Nerz, Michaela Weber, Carolin Barz, Nini H. Jonkman, Kristin Taraldsen, Jorunn L. Helbostad, Beatrix Vereijken, Mirjam Pijnappels, Andrea B. Maier, Wei Zhang, Clemens Becker, Chris Todd, Lindy Clemson, Helen Hawley-Hague
Dec 2018

We aimed to (1) develop an intervention by adapting Lifestyle-integrated Functional Ex-ercise (aLiFE) to be more challenging and suitable for pre-venting functional decline in young seniors in their 60s and (2) perform an initial feasibility evaluation of the program.

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The benefits and tolerance of exercise in myasthenia gravis (MGEX): Study protocol for a randomised controlled trial

Simone Birnbaum, Jean-Yves Hogrel, Raphael Porcher, Pierre Portero, Bernard Clair, Bruno Eymard, Sophie Demeret, Guillaume Bassez, Marcela Gargiulo, Estelle Louët, Sonia Berrih-Aknin, Asmaa Jobic, Philippe Aegerter, Philippe Thoumie, Tarek Sharshar, MGEX Study Group
Dec 2018

The aim of this study is to evaluate the benefits on perceived quality of life (QOL) and physical fitness of a home-based physical exercise program compared to usual care, for patients with stabilised, generalised auto-immune MG.

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Resilience to cognitive impairment in the oldest-old: design of the EMIF-AD 90+ study

Nienke Legdeur, Maryam Badissi, Stephen F. Carter, Sophie de Crom, Aleid van de Kreeke, Ralph Vreeswijk, Marijke C. Trappenburg, Mardien L. Oudega, Huiberdina L. Koek, Jos P. van Campen, Carolina J. P. W. Keijsers, Chinenye Amadi, Rainer Hinz, Mark F. Gordon, Gerald Novak, Jana Podhorna, Erik Serné, Frank Verbaak, Maqsood Yaqub, Arjan Hillebrand, Alessandra Griffa, Neil Pendleton, Sophia E. Kramer, Charlotte E. Teunissen, Adriaan Lammertsma, Frederik Barkhof, Bart N. M. van Berckel, Philip Scheltens, Majon Muller, Andrea B. Maier, Karl Herholz, Pieter Jelle Visser
Nov 2018

In this paper we reviewed previous studies on cognitive resilience in the oldest-old and described the design of the EMIF-AD 90+ Study.

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Characterization of COPD patients with severe airflow limitation and high physical activity

E. Gimeno-Santos, Isabel Blanco, Robert Rodriguez-Rosin, Ane Arbillaga-Etxarri, Eva Balcells, Anael Barberan-Garcia, Marta Benet, Alicia Marin, Monica Monteagudo, Pilar Ortega, Diego A. Rodriguez, Pere J. Simonet, Pere Toran, Judith Garcia-Aymerich
Nov 2018

To identify the socio-environmental, clinical and functional characteristics of patients with severe lung function and high levels of PA.

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The likelihood of improving physical activity after pulmonary rehabilitation is increased in patients with COPD who have better exercise tolerance

Christian R. Osadnik, Matthias Loeckx, Zafeiris Louvaris, Helleen Demeyer, Daniel Langer, Fernanda M. Rodriguez, Win Janssens, Ioannis Vogiatzis, Thierry Troosters
Oct 2018

This study explored the relationship between baseline exercise tolerance and changes in PA after PR.

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CELEB trial: Comparative Effectiveness of Lung volume reduction surgery for Emphysema and Bronchoscopic lung volume reduction with valve placement: a protocol for a randomised controlled trial

Sara Buttery, Samuel V. Kemp, Pallav L. Shah, David Waller, Simon Jordan, John T. Lee, Winston Banya, Michael C. Steiner, Nicholas S. Hopkinson
Oct 2018

We describe the protocol of the CELEB study, a randomised controlled trial which will compare outcomes at 1 year between the two procedures, using a composite disease severity measure, the iBODE score, which includes body mass index, airflow obstruction, dyspnoeaand exercise capacity (incremental shuttle walk test).

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Postural Patterns of the Subjects with Vergence Disorders: Impact of Orthoptic Re-education, a Pilot Study

Gwenaelle Delfosse, Dominique Brémond-Gignac, Zoï Kapoula
Oct 2018

Vergence insufficiency is a common oculomotor disorder which causes visual but also general, and even postural symptoms. This study aimed to characterise postural control of subjects with isolated vergence disorder and assess whether orthoptic therapy affects it.

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Long-term efficacy and effectiveness of a behavioural and community-based exercise intervention (Urban Training) to increase physical activity in patients with COPD: a randomised controlled trial

Ane Arbillage-Etxarri, Elena Gimeno-Santos, Anael Barberan-Garcia, Eva Balcells, Marta Benet, Eulàlia Borell, Nuria celorrio, anna Delgado, Carme Jané, Alicia Marin, Carlos Martín-Cantera, Mónica Monteagudo, Nuria Montellà, Laura Muñoz, Pilar Ortega, Diego A. Rodríguez, robert Rodríguez-Roisin, Pere Simonet, Pere Torán-Monserrat, Jaume Torrent-Pallicer, Pere Vall-Casas, Jordi Vilaró, Judith Garcia-Aymerich
Oct 2018

We assessed 12-month efficacy and effectiveness of the Urban Training intervention on physical activity in COPD patients.

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Daily physical activity in patients with severe eosinophilic asthma and the effect of anti-IL5 therapy.

MArios Panagiotou, Nikolaos G. Koulouris, Nikoletta Rovina
Sep 2018

We aimed to investigate the overall levels of DPA in patients with severe eosinophilic asthma and whether anti-IL-5 therapy, on top of existing, maximal, and optimised asthma treatment, may improve DPA in this patient population.

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Cholinergic Pathway SNPs and Postural Control in 477 Older Adults

Carina Arnold, Claudia Schulte, Mariana Moscovich, Ulrike Sünkel, Laura Zaunbrecher, Florian Metzger, Thomas Gasser, Gerhard W. Eschweiler, Ann-Kathrin Hauser, Daniela Berg, Walter Maetzler
Sep 2018

To determine whether single nucleotide polymorphisms (SNPs) of the cholinergic system and quantitative parameters of postural control are associated in healthy older adults. This is a cross-sectional analysis from the TREND study.

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The COPDnet integrated care model

Eleonore H. Koolen, Philip J. van der Wees, Gert P. Westert, Richard Dekhuijzen, Yvonne F. Heijdra, Alex J. van 't Hul
Jul 2018

This research project sets out to design an integrated disease management model for patients with COPD who were referred to a secondary care setting and who qualified for pharmacological and nonpharmacological intervention options.

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Both moderate and severe exacerbations accelerate physical activity decline in COPD patients

Heleen Demeyer, Zafeiris Louvaris, Elena Gimeno-Santos, Roberto Rabinovich
Jul 2018

We assessed the effect of exacerbation on one-year PA changes in COPD patients.

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The effect of walking speed on quality of gait in older adults

Bas Huijben, Kim van Schooten, Jaap van Dieën, Mirjam Pijnappels
Jul 2018

How does walking speed affect gait quality characteristics in older people?

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The association between age and accelerometry-derived types of habitual daily activity: an observational study over the adult life span in the Netherlands

Kimberley S. van Schooten, Jaap H. van Dieen , Mirjam Pijnappels, Andrea B. Maier, Alex J. van ‘t Hul, Martijn Niessen, Rob C. van Lummel
Jul 2018

This paper describes how the habitual types of physical activity and sedentary behaviour associate with age, to provide more detailed insight into the variation in physical activity across the lifespan.

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Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults

Wei Zhang, Michael Schwenk, Sabato Mellone, A. Paraschiv-Ionescu, Beatrix Vereijken, Mirjam Pijnappels, Stefanie Mikolaizak, Elisabeth Boulton, Nini H. Jonkman, Andrea B. Maier, Joche Klenk, Jorunn L. Helbostad, Kristin Taraldsen, Kamiar Aminian
Jun 2018

This study aimed at analyzing the relevance of a multivariate complexity metric in assessment of functional change in younger older adults.

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Randomised controlled trial of adjunctive inspiratory muscle training for patients with COPD

Noppawan Charususin, Rik Gosselink, Marc Decramer, Heleen Demeyer, Alison K. McConnell, Didier Saey, François Maltais, Eric Derom, Stefanie Vermeersch, Yvonne f. Heijdra, Hanneke A. C. van Helvoort, Linda Garms, Tessa Schneeberger, Klaus Kenn, Rainer Gloeckl, Daniel Langer
Jun 2018

This study aimed to investigate whether adjunctive inspiratory muscle training (IMT) can enhance the well-established benefits of pulmonary rehabilitation (PR) in patients with COPD.

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The effects of dual tasking on gait synchronization during over-ground side-by-side walking

Ari Z. Zivotofsky, Hagar Bernad-Elazari, Pnina Grossman, Jeffrey M. Hausdorff
Jun 2018

This study employed a dual tasking paradigm in order to investigate the role attention plays in gait synchronization.

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Genetic variants predicting aerobic capacity response to training are also associated with skeletal muscle oxidative capacity in moderate-to-severe COPD

allessandra Adami, Brian D. Hobbs, Merry-Lynn N. McDonald, Richard Casaburi, Harry B. Rossiter
May 2018

We hypothesized that 11 SNPs, previously associated with the increase in V̇O2max following exercise training, would correlate with k in 152 non-Hispanic White and African American smokers with and without COPD.

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Best Protocol for the Sit-to-Stand Test in Subjects with COPD

Andrea A. Morita, Gianna W. Bisca, Felipe V. C. Machado, Nidia A. Hernandes, Fabio Pitta, Vanessa S. Probst
May 2018

We sought to correlate each protocol of the STS (ie, the 5-repetition [5-rep STS], the 30-s STS, and the 1-min STS) with clinical outcomes in subjects with COPD. We also aimed to compare the 3 protocols of the STS, to verify their association and agreement, and to verify whether the 3 protocols are able to predict functional exercise capacity and physical activity in daily life (PADL).

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Deep Learning to Predict Falls in Older Adults Based on Daily-Life Trunk Accelerometry

Ahmed Nait Aicha, Gwenn Englebienne, Kimberley S. van Schooten, Mirjam Pijnappels, Ben Kröse
May 2018

We studied whether deep learning methods from machine learning are suited to automatically derive features from raw accelerometer data that assess fall risk.

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Heart Rate Recovery, Physical Activity Level, and Functional Status in Subjects With COPD

Andrea A. Morita, Laís K. O. Silva, Gianna W. Bisca, Joice M. Oliveira, Nidia A. Hernandes, Fabio Pitta, Karina C. Furlanetto
May 2018

This study sought to compare physical activity patterns and subjects' functional status with COPD with or without delayed 1-min heart rate recovery after the 6-min walk test (6MWT).

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Free-living and laboratory gait characteristics in patients with multiple sclerosis

Fabio A. Storm , K. P. S. Nair, Alison J. Clarke, Jill M. Van der Meulen, Claudia Mazzà
May 2018

The aim of this study was to characterise gait in both laboratory and daily life conditions for a group of patients with moderate to severe ambulatory impairment due to Multiple Sclerosis. To this purpose, algorithms to detect and characterise gait from wearable inertial sensors data were also validated.

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Older Adults with Weaker Muscle Strength Stand up from a Sitting Position with More Dynamic Trunk Use

Rob C. van Lummel, Jordi Evers, Martijn Niessen, Peter J. Beek, Jaap H. van Dieën
Apr 2018

The aim of this study was to determine whether measurements of Sit-to-Stand (STS) movements using body-fixed sensors yield parameters that are informative regarding changes in STS performance in older adults with reduced muscle strength.

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Effect of Bronchodilation and Exercise Training with Behavior Modification on Exercise Tolerance and Downstream Effects on Symptoms and Physical Activity in COPD

Thierry Troosters, François Maltais, Nancy Leidy, Kim L. Lavoie, Maria Sedeno, Wim Janssens, Judith Garcia-Aymerich, Damijan Erzen, Dorothy De Sousa, Lawrence Korducki, Alan Hamilton, Jean Bourbeau
Apr 2018

The objective was to assess whether tiotropium/olodaterol, ± exercise training, would improve exercise endurance time and physical activity compared with placebo in patients participating in a self-management behavior-modification program.

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Accelerometry-Based Quantitative Analysis of Mobility in Parkinson Disease

Jia Z. Cheng, Rainer von Coelln, Katrina Schrader, Erik Barr, Ann Gruber-Baldini, Joseph Savitt, Stephen Reich, Lisa Schulman
Apr 2018

To identify quantitative measures of mobility that correlate with the severity of Parkinson disease (PD), using a wearable triaxial accelerometer/gyroscope (Dynaport MT; DMT).

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Self-perceived gait stability modulates the effect of daily life gait quality on prospective falls in older adults

Roel Weijer, Marco J. Hoozemans, Jaap van Dieën, Mirjam Pijnappels
Apr 2018

We investigated whether perceived gait stability modulates the association between gait quality and falling in older adults.

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Wearable Sensor-based Gait Classification in Idiopathic Toe Walking Adolescents

Sharon Kim, Rahul Soangra, Marybeth Grant-Beuttler, and Afshin Aminian
Apr 2018

The aim of this study was to investigate if learning algorithms utilizing triaxial accelerometers and gyroscopes from wearable sensors could detect and differentiate heel-toe gait versus toe-toe gait.

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Physical activity in the morning and afternoon is lower in patients with chronic obstructive pulmonary disease with morning symptoms

Amanda R. van Buul, Marise J. Kasteleyn, Niels H. Chavannes, Christian Taube
Mar 2018

The primary aim of this study was to examine physical activity during the course of the day depending on morning symptoms in patients with COPD. In addition, self-reported physical activity was assessed to better understand which types of activities were generally undertaken.

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Improved Prediction of Falls in Community-Dwelling Older Adults Through Phase-Dependent Entropy of Daily-Life Walking

Espen A. F. Ihlen, Kimberly S. van Schooten, Sjoerd M. Bruijn, Jaap H. van Dieën, Beatrix Vereijken, Jorunn L. Helbostad, Mirjam Pijnappels
Mar 2018

In this study we introduce a new entropy measure, called phase-dependent generalized multiscale entropy (PGME), and test whether this measure improves fall-risk prediction in community-dwelling older adults.

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The association between objectively measured physical activity, depression, cognition, and health-related quality of life in Parkinson’s disease

Janet M.T. van Uem, Bernhard Cerff, Malte Kampmeyer, Jos Prinzen, Menno Zuidema, Markus A. Hobert, Susanne Gräber, Daniela Berg, Walter Maetzler, Inga Liepelt-Scarfone
Mar 2018

This study evaluated the influence of quantitative physical activity parameters among other (disease-related) features representing other domains of the WHO International model for classification of Function, Disability, and Health (ICF) on HRQoL in patients with Parkinson's Disease.

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The Glittre-ADL Test Cut-Off Point to Discriminate Abnormal Functional Capacity in Patients with COPD.

Alina Gulart, Anelise Bauer Munari, Suelen R. Klein, Lucas Santos de Silveira, Anamaria Fleig Mayer
Feb 2018

The study objective was to determine a cut-off point for the Glittre activities of daily living (ADL)test (TGlittre) to discriminate patients with normal and abnormal functional capacity.

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Exergames to Improve the Mobility of Long-Term Care Residents: A Cluster Randomized Controlled Trial

Taylor Lynne, Kerse Ngaire, Klenk Jochen, Borotkanics Robert, Maddison Ralph
Feb 2018

This study investigated the effect of a group-based Xbox Kinect (Microsoft Corp., Redmond, WA) exergame program on mobility in Long-Term Care residents with and without cognitive impairment.

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Turn Around Freezing: Community-Living Turning Behavior in People with Parkinson’s Disease

Martina Mancini, Aner Weiss, Talia Herman, Jeffrey M. Hausdorff
Jan 2018

We hypothesized that the quantity and quality of turning mobility while walking during daily life would be different among subjects with PD with and without FoG.

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Modified Medical Research Council Dyspnea Scale in GOLD Classification Better Reflects Physical Activities of Daily Living

Anelise Bauer Munari, Aline Gulart, Karoliny dos Santos, Raysa Venâncio, Manuela Karloh, Anamaria Fleig Mayer
Jan 2018

Considering that physical activities of daily living (PADL) is an important functional outcome in COPD, the objective of this study was to determine which symptom assessment instrument is more strongly associated with and differentiates better the PADL of patients with COPD.

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Calibration of raw accelerometer data to measure physical activity: A systematic review

Márcio de Almeida Mendes, Inácio C.M. da Silva, Virgílio V. Ramires, Felipe F. Reichert, Rafaela C. Martins, Elaine Tomasi
Dec 2017

Most of calibration studies based on accelerometry were developed using count-based analyses. In contrast, calibration studies based on raw acceleration signals are relatively recent and their evidences are incipient. The aim of the current study was to systematically review the literature in order to summarize methodological characteristics and results from raw data calibration studies. The

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Development of a home-based training program for post-ward geriatric rehabilitation patients with cognitive impairment: study protocol of a randomized-controlled trial

Martin Bongartz, Rainer Kiss, Phoebe Ullrich, Tobias Eckert, Juergen M. Bauer, Klaus Hauer
Dec 2017

The aim of this study is to evaluate the efficacy of a feasible and cost-effective home-based training program to improve motor performance and to promote physical activity, specifically-tailored for post-ward geriatric patients with CI.

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Oxygen Desaturation in Daily Life and During a Laboratory-Based Protocol of Activities of Daily Living in COPD: Is There Relationship?

Thaís Sant’Anna, Leila Donária, Nidia A. Hernandes, Karina C. Furlanetto, Décio S. Barbosa, Rik Gosselink, Fabio Pitta
Nov 2017

The purpose of the study was to analyze the relationship between oxygen desaturation episodes during a laboratory-based ADL protocol and in real-life routine in patients with stable chronic obstructive pulmonary disease (COPD).

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Validity and Reliability of Accelerometers in Patients With COPD

Shweta Gore, Jennifer Blackwood, Mary Guyette, Bara Alsalaheen
Nov 2017

The purpose of this systematic review was to compare the validity and reliability of accelerometers used in patients with COPD.

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Fat-free mass depletion in patients with COPD in Brazil: development of a new cutoff point and its relation with mortality and extrapulmonary manifestations.

Antonio Travassos, Antenor rodrigues, Karina Couto Furlanetto, Leila Donária, Gianna K. W. Bisca, Aline G. Nellessen, Fabio Pitta, Nidia A. Hernandes
Oct 2017

This cross-sectional study aims to develop and validate a cutoff point for FFM depletion based on Brazilian patients with chronic obstructive pulmonary disease (COPD) and to verify its association and of previously published cutoffs with extrapulmonary manifestations.

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The association between objectively measured physical activity and morning symptoms in COPD

Amanda R. van Buul, Marise J. Kasteleyn, Niels H. Chavannes, Christian Taube
Oct 2017

The primary objective of the Morning symptoms in-Depth observAtional Study (MODAS) was to assess the severity of morning symptoms in different Global Initiative for Obstructive Lung Disease (GOLD) stages. The secondary objective was to evaluate the association between dyspnea severity, health status, airflow limitation, lung hyperinflation, anxiety and depression, inflammatory parameters, exacerbations, objectively measured physical activity parameters and morning symptom severity.

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A study of clinical and physiological relations of daily physical activity in precapillary pulmonary hypertension

Marios Panagiotou, Martin K. Johnson, Zafeiris Louvaris, Julien S. Baker, Alistair C. Church, Andrew J. Peacock, Ioannis Vogiatzis
Oct 2017

We sought to investigate clinical and physiological relations of daily physical activity and profile differences between less and more active patients with precapillary Pulmonary Hypertension.

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Validation of a step detection Algorithm during straight Walking and turning in Patients with Parkinson’s disease and older Adults Using an Inertial Measurement Unit at the Lower Back

Minh H. Pham, Morad Elshehabi, Linda Haertner, Silvia Del Din, Karin Srulijes, Tanja Heger, Matthis Synofzik, Markus A. Hobert, Gert S. Faber, Clint Hansen, Dina Salkovic, Joaquim J. Ferreira, Daniela Berg, Álvaro Sanchez-Ferro, Jaap H. van Dieën, Clemens Becker, Lynn Rochester, Gerhard Schmidt, Walter Maetzler
Sep 2017

The aim of this study was to validate an acceleration-based step detection algorithm for patients with Parkinson’s disease (PD) and older adults in both a lab-based and home-like environment.

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Physical Activity Monitoring in Patients with Neurological Disorders: A Review of Novel Body-Worn Devices

Oonagh M. Giggins, Ieuan Clay, Lorcan Walsh
Sep 2017

The aim was to conduct a systematic review to examine the literature reporting the validity and reliability of wearable physical activity monitoring in individuals with neurological disorders.

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Association Between Quantitative Gait and Balance Measures and Total Daily Physical Activity in Community-Dwelling Older Adults

Robert J. Dawe, Sue E. Leurgans, Jingyun Yang, Joshua M. Bennett, Jeffrey M. Hausdorff, Andrew S. Lim, Chris Gaiteri, David A. Bennett, Aron S. Buchman
Aug 2017

This study examined the extent to which quantitative measures of gait and balance abilities were associated with total daily physical activity, controlling for a variety of potential covariates.

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People with Dementia Can Learn Compensatory Movement Maneuvers for the Sit-to-Stand Task: A Randomized Controlled Trial

Christian Werner, Stefanie Wiloth, Nele C. Lemke, Florian Kronbach, Carl-Philippe Jansen, Petera Oster, Jürgen M. Bauer, Klaus Hauer
Aug 2017

The objective was to determine whether a dementia-specific motor learning exercise program enables people with dimentia to learn compensatory STS maneuvers commonly taught in geriatric rehabilitation therapy to enhance patients’ STS ability.

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Fractional Stability of Trunk Aceleration Dynamics of Daily-Life Walking: Toward a Unified Concept of Gait Stability

Espen A. F. Ihlen, Kimberley S. van Schooten, Sjoerd M. Bruijn, Mirjam Pijnappels, Jaap H. van Dieën
Aug 2017

Here we apply a general non-exponential construct of gait stability, called fractional stability, which can define dynamic stability in the presence of phase transitions.

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Reeducation of vergence dynamics improves postural control

Aurelien Morize, Zoi Kapoula
Aug 2017

The purpose was to investigate the effect of vergence reeducation on postural control, in subjects with isolated vergence disorders.

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ACTIVATE: the effect of aclidinium/formoterol on hyperinflation, exercise capacity, and physical activity in patients with COPD

Henrik Watz, Thierry Troosters, Kai M. Beeh, Judith Garcia-Aymerich, Pierluigi Paggiaro, Eduard Molins, Massimo Notari, Antonio Zapata, Diana Jarreta, Esther Garcia Gil
Aug 2017

The Phase IV, 8-week, randomized, double-blind, placebo-controlled ACTIVATE study (NCT02424344) evaluated the effect of aclidinium/formoterol (AB/FF) 400/12 μg twice daily on lung hyperinflation, exercise capacity, and physical activity in patients with moderate-to-severe COPD.

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Effects of Standardized Home Training in Patients with Cognitive Impairment following Geriatric Rehabilitation: A Randomized Controlled Pilot Study

Klaus Hauer, Phoebe Ullrich, Ilona Dutzi, Rainer Beurskens, Sylvia Kern, Jürgen Bauer, Michael Schwenk
Aug 2017

The objective was to determine what the effect was of a standardized home-based training program in geriatric patients with cognitive impairment following ward-based rehabilitation.

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The impact of physical exercise on neuromuscular function in Myasthenia gravis patients

Elisabet Westerberg, Carl J. Molin, Søren Spörndly-Nees, Johan Widenfalk, Anna Rostedt Punga
Aug 2017

How physical exercise affects muscle parameters and risk factors for lifestyle diseases in patients with MG is, however, only poorly known.

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Dual-Task Performance in GBA Parkinson’s Disease

Karin Srulijes, Kathrin Brockmann, Senait Ogbamicael, Markus A. Hobert, Ann-Kathrin Hauser, Claudia Schulte, Jasmin Fritzen, Michael Schwenk, Thomas Gasser, Daniela Berg, Walter Maetzler
Jul 2017

This study compared the dual tasking performances between GBA-Parkinson's Disease and idiopathic Parkinson’s Disease patients.

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Instrumented Assessment of Physical Activity Is Associated With Muscle Function but Not With Muscle Mass in a General Population

Anna G. M. Rojer, Esmee M. Reijnierse, Marijke C. Trappenburg, Rob C. van Lummel, Martijn Niessen, Kim S. van Schooten, Mirjam Pijnappels, Carel G. M. Meskers, Andrea B. Maier
Jul 2017

Self-reported physical activity has shown to affect muscle-related parameters. As self-report is likely biased, this study aimed to assess the association between instrumented assessment of physical activity (I-PA) and muscle-related parameters in a general population.

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Validation of accuracy of SVM-based fall detection system using real-world fall and non-fall datasets

Omar Aziz, Jochen Klenk, Lars Schwickert, Lorenzo Chiari, Clemens Becker, Edward J. Park, Greg Mori, Stephen N. Robinovitch
Jul 2017

In this study, we examined the accuracy of a fall detection system based on real-world fall and non-fall data sets.

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Internet-based support for selfmanagement strategies for people with COPD–protocol for a controlled pragmatic pilot trial of effectiveness and a process evaluation in primary healthcare

André Nyberg, Karin Wadell, Helena Lindgren, Malin Tistad
Jun 2017

This pilot trial aims to evaluate the feasibility of the study design and study procedures considering effectiveness of the novel intervention, the COPD-web.

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Behavioural activation by mental health nurses for late-life depression in primary care: a randomized controlled trial

Noortje Janssen, Marcus J.H. Huibers, Peter Lucassen, Richard Oude Voshaar, Harm van Marwijk, Judith Bosmans, Mirjam Pijnappels, Jan Spijker, Gert-Jan Hendriks
Jun 2017

The primary objective of this study is to compare the effectiveness and cost-effectiveness of BA in comparison with treatment as usual (TAU) for late-life depression in Dutch primary care. A secondary goal is to explore several potential mechanisms of change, as well as predictors and moderators of treatment outcome of BA for late-life depression.

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A Review of Activity Trackers for Senior Citizens: Research Perspectives, Commercial Landscape and the Role of the Insurance Industry

Salvatore Tedesco, John Barton, Brendan O’Flynn
Jun 2017

This paper reviews the adoption of wearable devices in senior citizens by describing various researches for monitoring physical activity indicators, such as energy expenditure, posture transitions, activity classification, fall detection and prediction, gait and balance analysis, also by adopting consumer-grade fitness trackers with the associated limitations regarding acceptability.

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Gait dynamics to optimize fall risk assessment in geriatric patients admitted to an outpatient diagnostic clinic

Lisette H. J. Kikkert, Maartje H. de Groot, Jos P. van Campen, Jos H. Beijnen, Tibor Hortobagyi, Nicolas Vuillerme, Claudine C. J. Lamoth
Jun 2017

The present study aims to statistically model categories of fall risk factors that identify geriatric fallers with the highest sensitivity and specificity, with a focus on gait.

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Gait Is Associated with Cognitive Flexibility: A Dual-Tasking Study in Healthy Older People

Markus A. Hobert, Sinja I. Meyer, Sandra E. Hasmann, Florian G. Metzger, Ulrike Suenkel, Gerhard W. Eschweiler, Daniela Berg, Walter Maetzler
May 2017

The objective was to analyze which gait parameters are primarily influenced by cognitive flexibility, and whether such an effect depends on the walking condition used.

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Inertial Sensors to Assess Gait Quality in Patients with Neurological Disorders: A Systematic Review of Technical and Analytical Challenges

Aliénor Vienne, Rémi P. Barrois, Stéphane Buffat, Damien Ricard, Pierre-Paul Vidal
May 2017

This systematic review critically compares InertiaLocoGraphy protocols, questions features extracted from inertial signals and proposes a semeiological analysis of clinimetric characteristics for use in neurological clinical routine.

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Is the Assessment of 5 Meters of Gait with a Single Body-Fixed-Sensor Enough to Recognize Idiopathic Parkinson’s Disease-Associated Gait?

M. E. Mico-Amigo, Idsart Kingma, Gert S. Faber, Aki Kunikoshi, Janet M. T. van Uem, Rob C. van Lummel, Walter Maetzler, Jaap H. van Dieen
May 2017

Based on the assessment of only 5 meters of gait with a single body-fixed-sensor placed on the lower back, this study presents a method for the identification of step-by-step kinematic parameters in 14 healthy controls and in 28 patients at early-to-moderate stages of idiopathic PD.

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Sedentary Behavior Is an Independent Predictor of Mortality in Subjects With COPD

Karina C. Furlanetto, Leila Donária, Lorena P. Schneider, José R. Lopes, Marcos Ribeiro, Karen B. P. Fernandes, Nidia A. Hernandes, Fabio Pitta
May 2017

The aim of this work was to investigate the impact of sedentary behavior on mortality of subjects with COPD and to propose a cutoff point of sedentarism with prognostic value.

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Home-Based Physical Behavior in Late Stage Parkinson Disease Dementia: Differences between Cognitive Subtypes

Bernhard Cerff, Walter Maetzler, Patricia Sulzer, Malte Kampmeyer, Jos Prinzen, Markus A. Hobert, Dominik Blum, Rob C. van Lummel, Silvia Del Din, Susanne Gräber, Daniela Berg, Inga Liepelt-Scarfone
Apr 2017

In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD.

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Socio-environmental correlates of physical activity in patients with chronic obstructive pulmonary disease (COPD)

Ane Arbillaga-Etxarri, Elena Gimeno-Santos, Anael Barberan-Garcia, Marta Benet, Eulàlia Borrell, Payam Dadvand, Maria Foraster, Alicia Marín, Mònica Monteagudo, Robert Rodriguez-Roisin, Pere Vall-Casas, Jordi Vilaró, Judith Garcia-Aymerich
Mar 2017

The aim was to assess the relationship between novel socio-environmental factors, namely dog walking, grandparenting, neighbourhood deprivation, residential surrounding greenness and residential proximity to green or blue spaces, and amount and intensity of physical activity in COPD patients.

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Diaphragmatic mobility: relationship with lung function, respiratory muscle strength, dyspnea, and physical activity in daily life in patients with COPD

Flávia R. Rocha, Ana K. V. Brüggemann, Davi de Souza Francisco, Caroline S. de Medeiros, Danielle Rosal, Elaine Paulin
Feb 2017

To evaluate diaphragmatic mobility in relation to lung function, respiratory muscle strength, dyspnea, and physical activity in daily life (PADL) in patients with COPD.

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Physical activity is increased by a 12-week semiautomated telecoaching programme in patients with COPD: a multicentre randomised controlled trial

Heleen Demeyer, Zafeiris Louvaris, Anja Frei, Roberto A. Rabinovich, Corina de Jong, Elena Gimeno-Santos, Matthias Loeckx, Sara C. Buttery, N. Rubio, Thys van der Molen, Nicholas S. Hopkinson, Ionnis Vogiatzis, Milo A. Puhan, Judith Garcia-Aymerich, M. I. Polkey, Thierry Troosters
Jan 2017

The objective was to investigate the effectiveness of a 12-week semiautomated telecoaching intervention on PA in patients with COPD in a multicentre European randomised controlled trial.

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Development, Validity and Reliability of the Londrina Activities of Daily Living Protocol for Subjects With COPD

Thaís Sant' Anna, Leila Donária, Karina C. Furlanetto, Fernanda Morakami, Antenor Rodrigues, Talita Grosskreutz, Nidia A. Hernandes, Rik Gosselink, Fabio Pitta
Jan 2017

The aim of the present study was to develop a standardized protocol to evaluate ADL performance in subjects with COPD (Londrina ADL protocol) and to assess the validity and reliability of the protocol in this population.

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Fall-related gait characteristics on the treadmill and in daily life

Sietse M. Rispens, Jaap H. Van Dieën, Kimberley S. Van Schooten, L. Eduardo Cofré Lizama, Andreas Daffertshofer, Peter J. Beek, Mirjam Pijnappels
Dec 2016

The present study aimed to assess differences as well as associations between fall-related gait characteristics measured on a treadmill and in daily life.

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Active ocular vergence improves postural control in elderly as close viewing distance with or without a single cognitive task

Eric Matheron, Qing Yang, Vincent Delpit-Baraut, Olivier Dailly, Zoi Kapoula
Nov 2016

The purpose of this study is to measure the effects of vision, active vergence eye movements, viewing distance/vergence angle and a simple cognitive task on postural control during an upright stance, in completely autonomous elderly individuals.

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Vibrotactile Biofeedback System and Bilateral Vestibular Loss: Pilot Study

Lilian Felipe
Nov 2016

In this pilot study, subjects with BVL used the Vibrotactile Biofeedback System (VBS).

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Social and environmental determinants of physical activity in patients with chronic obstructive pulmonary disease (COPD)

Elena Gimeno-Santos, Ane Arbillaga-Etxarri, Anael Barberan-Garcia, Marta Benages-Albert, Marta Benet, Payam Dadvand, Maria Foraster, Alicia MarÍn, Mònica Monteagudo, Pere Vall-Casas, Jordi Vilaró, Judith Garcia-Aymerich
Nov 2016

The aim was to assess the association between patients' social and environmental characteristics, and PA amount and intensity.

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Nutritional status and its relationship with different dimensions of functional status in patients with chronic obstructive pulmonary disease

Fernanda R. Fonseca, Manuela Karloh, Cintia Araujo, Karoliny dos Santos, Anamaria Fleig Mayer
Oct 2016

To investigate whether there is a relationship between nutritional status and limitations in activities of daily living in patients with chronic obstructive pulmonary disease.

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How much time spent per day in sedentary behavior increases mortality risk in patients with COPD?

Karina Furlanetto, Leila Donaria, Lorena P. Schneider, Jose R. Lopes, Marcos Ribeiro, Karen B.P. Fernandes, Carlos A. Camillo, Nidia A. Hernandes, Fabio Pitta
Sep 2016

To propose a cut-off point for sedentarism in patients with COPD and to investigate its association with mortality. Methods: In this retrospective cohort study, sedentary behaviour was assessed with two activity monitors (DynaPort and Sensewear armband) in 101 patients with COPD from 2006 to 2011.

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Transition Between the Timed up and Go Turn to Sit Subtasks: Is Timing Everything?

Aner Weiss, Anat Mirelman, Nir Giladi, Lisa L. Barnes, David A. Bennett, Aron S. Buchman, Jeffrey M. Hausdorff
Sep 2016

We tested the hypothesis that longer transition durations between the final turn to the sitting subtasks are associated with worse motor and cognitive performance in older adults.

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Can a single lower trunk body-fixed sensor differentiate between level-walking and stair descent and ascent in older adults? Preliminary findings

Aner Weiss, Marina Brozgol, Nir Giladi, Jeffrey M. Hausdorff
Jul 2016

We aim to differentiate between level-walking and between stair descent and ascent using a single body fixed sensor, a 3D accelerometer integrated with a 3D gyroscope placed on the lower trunk in healthy older adults.

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The Instrumented Sit-to-Stand Test (iSTS) Has Greater Clinical Relevance than the Manually Recorded Sit-to-Stand Test in Older Adults

Rob C. van Lummel, Stefan Walgaard, Andrea B. Maier, Erik Ainsworth, Peter J. Beek, Jaap H. van Dieën
Jul 2016

The purpose of the current study was to examine the hypothesis that test durations as assessed with the instrumented repeated Sit-To-Stand (STS) show stronger associations with health status, functional status and daily physical activity of older adults than manually recorded test durations.

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Daily-Life Gait Quality as Predictor of Falls in Older People: A 1-Year Prospective Cohort Study

Kim van Schooten, Mirjam Pijnappels, Sietse M. Rispens, Petra J. M. Elders, Paul Lips, Andreas Daffertshofer, Peter J. Beek, Jaap van Dieën
Jul 2016

We determined the relationship between the likelihood of fall incidents and daily-life behavior. We used wearable sensors to assess habitual physical activity and daily-life gait quality (in terms of e.g. stability, variability, smoothness and symmetry), and determined their predictive ability for time-to-first-and-second-falls.

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Depression symptoms reduce physical activity in COPD patients: A prospective multicenter study

Ivan Duenas, Helleen Demeyer, Elena Gimeno-Santos, Michael I. Polkey, Nick Hopkinson, Roberto Rabinovich, Fabienne Dobbels, Niklas Karlsson, Thierry Troosters, Judith Garcia-Aymerich
Jun 2016

We prospectively assessed the effect of symptoms of anxiety and depression on PA in COPD patients.

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Multivariate Analyses and Classification of Inertial Sensor Data to Identify Aging Effects on the Timed-Up-and-Go Test

Danique Vervoort, Nicolas Vuillerme, Nienke Kosse, Tibor Hortobagyi, Claudine Lamoth
Jun 2016

The first aim of our study was to identify variables extracted from the instrumented timed-up-and-go (iTUG) that most effectively distinguished performance differences across age (age 18–75). Second, we determined the discriminative ability of those identified variables to classify a younger (age 18–45) and older age group (age 46–75).

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Improvement of physical activity after endobronchial valve treatment in emphysema patients

Jorine Hartman, Karin Klooster, Dirk-Jan Slebos, Nick ten Hacken
Jun 2016

We investigated the impact of endobronchial valve treatment on physical activity in severe emphysema patients.

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Objective characterization of daily living transitions in patients with Parkinson’s disease using a single body-fixed sensor

Hagar Bernard-Elazari, Talia Herman, Anat Mirelman, Eran Gazit, Nir Giladi, Jeffrey M. Hausdorff
May 2016

We aimed to test whether BFS-derived measures of transitions differ between patients with PD and healthy controls, and to evaluate whether there are differences among patients with mild PD, compared to more severe patients, and to controls.

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Monitoring Physical Activities in Daily Life in Patients with Pulmonary Arterial Hypertension and COPD

Valeria A. P. di Lorenzo, Eloisa M.G. Regueiro, Aline A. Simsic, Adriana I. de Padua, Jose Baddini-Martinez
May 2016

The aim of this study was to evaluate the PADL profile of PH and COPD patients in comparison with healthy controls.

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The Glittre-ADL test reflects functional performance measured by physical activities of daily living in patients with chronic obstructive pulmonary disease

Manuela Karloh, Cintia Araujo, Aline Gulart, Cardine M. Reis, Leila J.M. Steidle, Anamaria Fleig Mayer
Apr 2016

To investigate whether the TGlittre reflects the functional performance of COPD patients and whether the necessary time to complete the TGlittre and the PADL varies according to disease severity.

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Quantitative Timed-Up-and-Go Parameters in Relation to Cognitive Parameters and Health-Related Quality of Life in Mild-to-Moderate Parkinson’s Disease

Janet M. T. van Uem, Stefan Walgaard, Erik Ainsworth, Sandra E. Hasmann, Tanja HEger, Susanne Nussbaum, Markus A. Hobert, Encarnación, Rob C. van Lummel, Daniela Berg, Walter Maetzler
Apr 2016

We were interested in the relative contributions of respective iTUG sub-phases to specific clinical deficits most relevant for daily life in Parkinson’s disease (PD).

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A novel accelerometry-based algorithm for the detection of step durations over short episodes of gait in healthy elderly

M. E. Micó-Amigo, Isdart Kingma, Erik Ainsworth, Stefan Walgaard, Martijn Niessen, Rob C. van Lummel, Jaap H. van Dieën
Apr 2016

The aim of this study was to evaluate the accuracy of a novel algorithm based on acceleration signals recorded at different human locations (lower back and heels) for the detection of step durations over short episodes of gait in healthy elderly subjects.

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Minimal correlation between physical exercise capacity and daily activity in patients with intermittent claudication

Lindy N. M. Gommans, David Hageman, Ingeborg Jansen, Robbin de Gee, Rob C. van Lummel, Nicole Verhofstad, Marc R. M. Scheltinga, Joep A. W. Teijink
Apr 2016

A cross-sectional study was conducted to assess the association between several physical exercise capacity outcomes and physical activity in a general intermittent claudication population.

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A comparison study of local dynamic stability measures of daily life walking in older adult community-dwelling fallers and non-fallers

Espen A.F. Ihlen, Aner Weiss, Yoav Beck, Jorunn L. Helbostad, Jeffrey M. Hausdorff
Mar 2016

In the present study we compared the performance of three different estimations of local dynamic stability λ to distinguish between the dynamics of the daily-life walking of elderly fallers and non-fallers.

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Effects of narrow base gait on mediolateral balance control in young and older adults

Mina Arvin, Masood Mazaheri, Marco J.M. Hoozemans, Mirjam Pijnappels, Bart J. Burger, Sabine M.P. Verschueren, Jaap van Dieen
Mar 2016

The aim of this study was to examine the effect of narrowing step width on mediolateral (ML) center of mass (COM) kinematics and margin of stability (MOS) in young and older adults.

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Validity of an Accelerometer-Based Activity Monitor System for Measuring Physical Activity in Frail Elderly

Anne M. Hollewand, Anouk G. Spijkerman, Henk J.G. Bilo, Nanne Kleefstra, Yvo P.T. Kamsma, Kornelis J.J. van Hateren
Mar 2016

This study aimed to investigate the validity of the accelerometer-based DynaPort system to detect physical activity in frail elderly subjects.

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Cerebral Microbleeds and Lacunar Infarcts Are Associated with Walking Speed Independent of Cognitive Performance in Middle-Aged to Older Adults

Marjon Stijntjes, Anton J.M. de Craen, Jeroen van der Grond, Carel G.M. Meskers, P. Eline Slagboom, Andrea B. Maier
Mar 2016

We studied whether the relationship between brain structure and physical performance is independent of cognitive performance.

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The complexity of daily life walking in older adult community-dwelling fallers and non-fallers

Espen A.F. Ihlen, Aner Weiss, Alan Bourke, Jorunn L. Helbostad, Jeffrey M. Hausdorff
Mar 2016

The present study investigates complexity in daily life walking in community-dwelling older adult fallers and non-fallers measured by a 3D inertial accelerometer sensor fixed to the lower back.

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Physical Activity Characteristics across GOLD Quadrants Depend on the Questionnaire Used

Heleen Demeyer, Elana Gimeno-Santos, Roberto A. Rabinovich, Miek Hornikx, Zafeiris Louvaris, Willem I. de Boer, Niklas Karlsson, Corina de Jong, Thys van der Molen, Ioannis Vogiatzis, Wim Janssens, Judith Garcia-Aymerich, Thierry Troosters, Michael I. Polkey, PROactive consortium
Mar 2016

This study investigated differences in physical activity (PA) in the different GOLD quadrants and patient’s distribution in relation to the questionnaire used.

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The validity of assessing temporal events, sub-phases and trunk kinematics of the sit-to-walk movement in older adults using a single inertial sensor

Stefan Walgaard, Gert S. Faber, Rob C. van Lummel, Jaap van Dieën, Isdart Kingma
Mar 2016

The aim of this study was to develop a method to identify temporal events, sub-phases and trunk kinematics of the sit-to-walk (STW) using a single inertial sensor (IS) worn at the lower back and to determine the validity of this method.

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A systematic review of the characteristics and validity of monitoring technologies to assess Parkinson’s disease

Catarina Godinho, Josefa Domingos, Guilherme Cunha, Ana T. Santos, Ricardo M. Fernandes, Daisy Abreu, Nilza Gonçalves, Helen Matthews, Tom Isaacs, Joy Duffen, Ahmed Al-Jawad, Frank Larsen, Artur Serrano, Peter Weber, Andrea Thoms, Stefan Sollinger, Holm Graessner, Walter Maetzler, Joaquim J. Ferreira
Mar 2016

This study proposes a systematic review of current literature aiming to (i) list, (ii) compare and (iii) classify technology-based devices that objectively measure PD motor symptoms.

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Intra-Rater, Inter-Rater and Test-Retest Reliability of an Instrumented Timed Up and Go (iTUG) Test in Patients with Parkinson’s Disease

Rob C. van Lummel, Stefan Walgaard, Markus A. Hobert, Walter Maetzler, Jaap H. van Dieën, Francisca Galindo-Garre, Caroline B. Terwee
Mar 2016

The aim of this study was to determine intra-rater, inter-rater and test-retest reliability of the iTUG in patients with Parkinson’s Disease.

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Decreased physical activity in adults with bronchial asthma

Alex J. van 't Hul, Siete Frouws, Edmee van den Akker, Rob C. van Lummel, Anja Starrenburg-Razenberg, Alie van Bruggen, Gert-Jan Braunstahl, Johannes C. C. M. in 't Veen
Mar 2016

The present study was designed to compare physical activity, objectively measured with an activity monitor, between adults with bronchial asthma and apparently healthy controls.

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Can health status questionnaires be used as a measure of physical activity in COPD patients?

Heleen Demeyer, Ivan Dueñas-Espín, Corina De Jong, Zafeiris Louvaris, Miek Hornikx, Elena Gimeno-Santos, Matthias Loeckx, Ioannis Vogiatzis, Wim Janssens, Nicholas S. Hopkinson, Roberto A. Rabinovich, Niklas Karlsson, Judith Garcia-Aymerich, Thierry Troosters
Feb 2016

The aims of the present analyses were 1) to describe the relationship between objectively measured physical activity and responses to health status questionnaires, and 2) to assess the utility of these questionnaires to screen for severe physical inactivity (SPI) in this population.

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The Association of Medication-Use and Frailty-Related Factors with Gait Performance in Older Patients

Maartje de Groot, Jos van Campen, Nienke Kosse, Oscar J. de Vries, Jos H. Beijnen, Claudine Lamoth
Feb 2016

It was aimed in the present study to explore the association between the use of psychotropics, multiple other medications, frailty-related parameters and gait performance in older patients.

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Patient satisfaction after TKA: Influence of the functional rehabilitation

S. van Onsem, S. Dieleman, S. van Oost, E. Delemarre, N. Mahieu, T. Willems
Feb 2016

The purpose of this study was to investigate the correlation between the preoperative function and the postoperative patient reported outcomes PROMs) as well as the influence of the postoperative functional rehabilitation on the PROMs.

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Enhancing exercise tolerance and physical activity in COPD with combined pharmacological and non-pharmacological interventions: PHYSACTO randomised, placebo-controlled study design

Thierry Troosters, Jean Bourbeau, François Maltais, Nancy Leidy, Damijan Erzen, Dorothy De Sousa, Lawrence Korducki, Alan Hamilton
Feb 2016

We describe the design of the PHYSACTO trial, which is investigating the effects of bronchodilators, either alone or with exercise training, in combination with a standardised behaviour-change self-management programme, on exercise capacity and physical activity in patients with COPD. It is hypothesised that bronchodilators in conjunction with a behaviourchange self-management programme will improve physical activity and that this effect will be amplified by the addition of exercise training.

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Patients’ adherence to a walking programme for non-specific low back pain

L. H. Van Koppen, Pim J. J. Zandwijk, H. Van Mameren, Ilse Mesters, Bjorn Winkens, Rob A. De Bie
Jan 2016

The aim of this cross-sectional observational study was to investigate adherence rate and factors influencing the adherence in following home-based activity advice, in patients referred to a physiotherapy clinic for non-specific low back pain.

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Rivastigmine for gait stability in patients with Parkinson’s disease (ReSPonD): a randomised, double-blind, placebo-controlled, phase 2 trial

Emily J. Henderson, Stephen R. Lord, Matthew A. Brodie, Daisy M. Gaunt, Andrew D. Lawrence, Jacqueline C. T. Close, A. L. Whone, Y. Ben-Shlomo
Jan 2016

In the ReSPonD trial we aimed to assess whether ameliorating the cholinergic deficit with an acetylcholinesterase inhibitor rivastigmine would reduce gait variability

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Effects of support surface stability on feedback control of trunk posture

Georgia Andreopoulou, Erwin Maaswinkel, L. Eduardo Cofre Lizama, Jaap van Dieen
Dec 2015

This study aimed to examine the interactions of visual, vestibular, proprioceptive, and tactile sensory manipulations and sitting on either a stable or an unstable surface on mediolateral (ML) trunk sway.

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Effect of calendar age on physical performance: A comparison of standard clinical measures with instrumented measures in middle-aged to older adults

M.Stijntjes, C.G.M. Meskers, A.J.M. de Craen, R.C. van Lummel, S.M. Rispens, P.E. Slagboom, A.B. Maier
Dec 2015

We studied the association of calendar age and familial longevity with standard clinical and instrumented measures of physical performance in a cohort of healthy middle-aged to older adults.

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Physical performance and physical activity in older adults: associated but separate domains of physical function in old age

Rob C. van Lummel, Stefan Walgaard, Mirjam Pijnappels , Petra J. M. Elders , Judith Garcia-Aymerich, Jaap H. van Dieën , Peter J. Beek
Dec 2015

The objective was to examine whether 1) physical performance (PP) and physical activity (PA) constitute separate domains of physical function; 2) differentiation of PA classes is more informative than overall PA

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The effects of a physical activity counseling program after an exacerbation in patients with Chronic Obstructive Pulmonary Disease: a randomized controlled pilot study

Miek Hornikx, Heleen Demeyer, Carlos A. Camillo, Wim Janssens, Thierry Troosters
Nov 2015

For this pilot study, we hypothesized that, through frequent PA counseling and real-time feedback, patients would potentially increase their PA level more rapidly in the month after an exacerbation compared to subjects in a control group, receiving usual care.

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Development of an integral assessment approach of health status in patients with obstructive airway diseases: the CORONA study

Edmée FMM van den Akker, Alex J van ‘t Hul, Niels H Chavannes, Gert-Jan Braunstahl, Alie van Bruggen, Maureen PMH Rutten-van Mölken, Johannes CCM in ‘t Veen
Nov 2015

The COPD and Asthma Rotterdam Integrated Care Approach (CORONA) study aims to develop a diagnostic pathway with a more comprehensive approach to the assessment of patients with asthma and COPD in secondary care.

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Identifying freezing of gait in Parkinson’s disease during freezing provoking tasks using waist-mounted accelerometry

Heidemarie Zach, A.M. Janssen, Anke H. Snijders, Arnoud Delval, Murielle Ferraye, Eduard Auff, Vivian Weerdesteyn, Bas Bloem, Jorik Nonnekes
Oct 2015

Here, we evaluate whether accelerometry can detect FOG while executing rapid full turns and while walking with rapid short steps (the two most common provoking circumstances for FOG).

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Association between Community Ambulation Walking Patterns and Cognitive Function in Patients with Parkinson’s Disease: Further Insights into Motor-Cognitive Links

Aner Weiss, Talia Herman, Nir Giladi, Jeffrey M. Hausdorff
Oct 2015

We tested whether parameters derived from long-term, continuous monitoring of gait are associated with cognitive function in patients with Parkinson's disease (PD).

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The Discriminant Value of Phase-Dependent Local Dynamic Stability of Daily Life Walking in Older Adult Community-Dwelling Fallers and Nonfallers

Espen A.F. Ihlen, Aner Weiss, Jorunn L. Helbostad, Jeffrey M. Hausdorff
Oct 2015

The present study compares phase-dependent measures of local dynamic stability of daily life walking with 35 conventional gait features in their ability to discriminate between community-dwelling older fallers and nonfallers.

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Differences in the Course of Daily Activity Level Between Persons with and Without Chronic Pain

Bart Raijmakers, Mieke G. Nieuwenhuizen, Heleen Beckerman, Sonja de Groot
Oct 2015

The aim of this study was to determine differences in (the course of) daily activity level between persons with and persons without chronic pain.

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The PROactive instruments to measure physical activity in patients with chronic obstructive pulmonary disease

Elena Gimeno-Santos, Yogini Raste, Heleen Demeyer, Zafeiris Louvaris, Corina de Jong, Roberto A. Rabinovich, Nicholas S. Hopkinson, Michael I. Polkey, Ioannis Vogiatzis, Maggie Tabberer, Fabienne Dobbels, Nathalie Ivanoff, Willem I. de Boer, Thys van der Molen, Karoly Kulich, Ignasi Serra, Xavier Basagaña, Thierry Troosters , Milo A. Puhan, Niklas Karlsson, Judith Garcia-Aymerich
Sep 2015

The aim of the current study was 1) to identify a comprehensive set of nonredundant items and monitor outputs that can be used to measure physical activity in COPD patients and 2) to perform an initial validation of the two instruments.

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Associations between measures of gait stability, leg strength and fear of falling.

M.J. Toebes, M.J. Hoozemans, R. Furrer, J.H. van Dieen
Sep 2015

The aim of this study was to determine whether gait quality and maximal voluntary torque (MVT) of knee extensor muscles are associated with FoF.

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Effects of hip abductor muscle fatigue on gait control and hip position sense in healthy older adults

Mina Arvin, Marco J.M. Hoozemans, Bart J. Burger, Sietse M. Rispens, Sabine M.P. Verschueren, Jaap van Dieen, Mirjam Pijnappels
Sep 2015

We experimentally investigated whether unilateral hip abductor muscle fatigue affected gait control and hip position sense in older adults.

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Walking and cycling in patients with asthma and COPD

Rob C. van Lummel, Siete C. Frouws, Alex van 't Hul, Jaap van Dieen, Johannes C.C.M. in 't Veen
Sep 2015

The present study aimed to measure physical activity in healthy adults and patients with Asthma and COPD.

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Skeletal muscle oxidative capacity is an independent predictor of physical activity in smokers with and without COPD

Alessandra Adami, Robert Cao, Janos Porszasz, Richard, Casaburi, Harry B. Rossiter
Sep 2015

We hypothesized that low muscle oxidative capacity is an independent predictor of PAL and daily steps in current and ex-smokers with and without COPD.

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hysiological determinants of rehabilitative-induced improvement in daily physical activity in patients with COPD

Eleni Kortianou, Zafeiris Louvaris, Stavroula Spetsioti, Maroula Vasilopoulou, Nikolaos Chynkiamis, Nikolaos Anastapoulos, Giorgos Kaltsakas, Nikos G. Koulouris, Ioannis Vogiatzis
Sep 2015

To examine the physiological characteristics in those COPD who exhibit the greater magnitude of improvement in daily physical activity levels following high-intensity interval rehabilitative exercise.

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Why detection of cycling is important in activity monitoring

Rob C. van Lummel, Siete C. Frouws, Alex J. van 't Hul, Jaap H. van Dieën, Johannes C.C.M. in 't Veen
Sep 2015

This study aimed to evaluate the effects of misclassification of cycling with an activity monitor.

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Cycling detection with a single activity monitor

Siete C. Frouws, Alex J. van 't Hul, Johannes C.C.M. in 't Veen, Jaap H. van Dieën, Rob C. van Lummel
Sep 2015

This abstract describes a method for detection of cycling.

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Validity and Reliability of Gait and Postural Control Analysis Using the Tri-axial Accelerometer of the iPod Touch

Nienke M. Kosse, Simone Caljouw, Danique Vervoort, Nicolas Vuillerme, Claudine J. Lamoth
Aug 2015

The aim of the present study was to establish the validity and reliability of the iPod Touch for gait and posture assessment.

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Physical activity, muscle strength, and exercise capacity 3 months after severe sepsis and septic shock

Rodrigo C. Borges, Celso R.F. Carvalho, Alexandra S. Colombo, Mariucha Pareira da Silva Borges, Francisco Garcia Soriano
Aug 2015

To quantify the physical activity in daily life (PADL), muscle strength, and exercise capacity in the short and medium term in survivors of severe sepsis and septic shock.

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Stay Focused! The Effects of Internal and External Focus of Attention on Movement Automaticity in Patients with Stroke

Elmar Kal, J. van der Kamp, Han Houdijk, E. Groet, Coen van Bennekom, Erik Scherder
Aug 2015

This study sets out to test the constrained action hypothesis, which holds that automaticity of movement is enhanced by triggering an external focus (on movement effects), rather than an internal focus (on movement execution).

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The accuracy of self-reported adherence to an activity advice

Pim Zandwijk, Ben van Koppen, Henk van Mameren, Ilse Mesters, Bjorn Winkens, Rob de Bie
Aug 2015

The aim of this cross-sectional observational study was to investigate whether patients referred for non-specifi c low back pain accurately report whether they follow home-based activity advice.

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Physical Activity in Hemodialysis Patients Measured by Triaxial Accelerometer

Erich V. Carvalho, Daniel R. Teixeira, Lais F. C. d'Ornellas Carvalho, Gilberto F.F. Filho, Julio C.A. de Oliveira, Helady Sanders-Pinheiro, Julio M. F. Chebli, Rogerio de Paula, Bruno de Valle Pinheiro
Jun 2015

The aim of this study was to evaluate characteristics of physical activities in daily life in this population by using an accurate triaxial accelerometer and to correlate these characteristics with physiological variables.

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A wearable mobility assessment device for total knee replacement: A longitudinal feasibility study

Richard M. Kwasnicki, Raza Ali, Stevan J. Jordan, Louis Atallah, Julian J.H. Leong, Gareth G. Jones, Justin Cobb, Guang Zhong Yang, Ara Darzi
Jun 2015

This study aims to investigate the feasibility of using an ear-worn motion sensor (e-AR, Imperial College London) to conduct objective, home-based mobility assessments in the peri-operative setting.

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Mediolateral balance and gait stability in older adults

L. Eduardo Cofré Lizama, Mirjam Pijnappels, Sietse M. Rispens, N. Peter Reeves, Sabine M. Verschueren, Jaap H.van Dieën
Jun 2015

This study aimed to determine whether MELBA is an ecologically valid tool by correlating its outputs with a measure of mediolateral gait stability known to be predictive of falls.

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Measuring Eccentric Strength of the Shoulder External Rotators Using a Handheld Dynamometer: Reliability and Validity

Frederik R. Johansson, Eva Skillgate, Mattis L. Lapauw, Dorien Clijmans, Valentijn Deneulin, Tanneke Palmans, Human Kinetic Engineer, Ann Cools
May 2015

To examine the absolute and relative reliability and validity of a standardized eccentric strength-measurement protocol for the glenohumeral external rotators.

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A Wavelet-Based Approach to Fall Detection

Luca Palmerini, Fabio Bagala, Andrea Zanetti, Jochen Klenk, Clemens Becker, Angelo Cappello
May 2015

The aim of this work is to present a novel wavelet-based approach to fall detection, focusing on the impact phase and using a dataset of real-world falls.

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Prediction of trip severity based on tri-axial accelerometry in healthy older adults

Thaiany P.C. Antunes, Kirstin P. van Kesteren
Apr 2015

To analyse the relationship between trunk accelerations during the initial phase of tripping and the severity of a tripin healthy older adults.

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Eye movement instructions modulate motion illusion and body sway with Op Art

Zoi Kapoula, Alexandre Lang, Marine Vernet, Paul Locher
Mar 2015

This study examined the effect of eye movement instructions (fixation vs. free exploration) on the sensation of motion as well as the body sway of subjects viewing Op Art paintings.

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High correlation of the Oxford knee score with postoperative pain, but not with performance-based functioning

Ruud P. van Hove, Richard M. Brohet, Barend J. van Royen, Peter A. Nolte
Mar 2015

The Oxford Knee Score (OKS) is a widely known patient-related outcome measure(PROM) to determine pain and knee functioning before and after total knee arthroplasty (TKA).In this study it was hypothesized that the OKS correlates more with pain than with performance-based functioning.

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Frequent sputum production is associated with disturbed night’s rest and impaired sleep quality in patients with COPD

J. E. Hartman, J. Prinzen, R. C. van Lummel, N. H. T. ten Hacken
Mar 2015

In this study, we measured night’s rest parameters measured with an accelerometer and sleep quality in mild to very severe patients with COPD. Furthermore, our aim was to investigate the association between night’s rest parameters and clinical variables and the association between sleep quality and quality of life or health status.

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Step detection and activity recognition accuracy of seven physical activity monitors

Fabio A. Storm, Ben W. Heller, Claudia Mazzà
Mar 2015

The aim of this study was to compare the seven following commercially available activity monitors in terms of step count detection accuracy: Movemonitor (McRoberts), Up (Jawbone), One (Fitbit), ActivPAL (PAL Technologies Ltd.), Nike+ Fuelband (Nike Inc.), Tractivity (Kineteks Corp.) and Sensewear Armband Mini (Bodymedia).

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Ambulatory fall-risk assessment: amount and quality of daily-life gait predict falls in older adults

Kimberley S. van Schooten, Mirjam Pijnappels, Sietse M. Rispens, Petra J. M. Elders, Paul Lips, Jaap H. van Dieën
Jan 2015

We compared associations between retrospective and prospective falls with potential risk factors as measured by daily-life accelerometry. In addition, we investigated predictive value of these parameters for 6-month prospective falls.

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Assessing Physical Activity in Older Adults: Required Days of Trunk Accelerometer Measurements for Reliable Estimation

Kimberley S. van Schooten, Sietse M. Rispens, Petra J.M. Elders, Paul Lips, Jaap H. van Dieën, Mirjam Pijnappels
Jan 2015

We investigated the reliability of physical activity monitoring based on trunk accelerometry in older adults and assessed the number of measured days required to reliably assess physical activity.

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Do extreme values of daily-life gait characteristics provide more information about fall risk than median values?

Sietse M Rispens, Kimberley S van Schooten, Mirjam Pijnappels, Andreas Daffertshofer, Peter J Beek, Jaap H van Dieën
Jan 2015

The objective of this study was to improve fall-risk prediction models by examining whether the use of extreme values strengthens the associations with falls.

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Validation of an activity monitor during sleep in patients with chronic respiratory disorders

Rainer Gloeckl, Thomas Damisch, Jos Prinzen, Rob van Lummel, Evert Pengel, Ursula Schoenheit-Kenn, Klaus Kenn
Jan 2015

Objective of this study was to validate an activity monitor (DynaPort MoveMonitor [MM], McRoberts, The Hague, The Netherlands) against night-vision video analysis during sleep.

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Walking speed in elderly outpatients depends on the assessment method

Jantsje H. Pasma, Marjon Stijntjes, Shan Shan Ou, Gerard J. Blauw, Carel Meskers, Andrea B. Maier
Dec 2014

The present study aimed to assess the influence of different assessment methods on walking speed and its association with the key aspects of poor health status, i.e., the presence of low cognitive performance and cardiopulmonary disease.

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Limitation in tidal volume expansion partially determines the intensity of physical activity in COPD

Eleni A. Kortianou, Andrea Aliverti, Zafeiris Louvaris, Maroula Vasilopoulou, Ioannis Nasis, Andreas Asimakos, Spyros Zakynthinos, and Ioannis Vogiatzis
Dec 2014

The purpose of the present study was to investigate whether differences in physical activity levels commonly adopted by individual patients with COPD in daily life compared with well-controlled laboratory environments are partly attributed to differences in the magnitude of mechanical limitation to total and compartmental (rib cage and abdominal) chest wall volumes.

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Identifying axial and cognitive correlates in patients with Parkinson’s disease motor subtype using the instrumented Timed Up and Go

Talia Herman, Aner Weiss, Marina Brozgol, Nir Giladi, Jeffrey M. Hausdorff
Nov 2014

To better understand these subtypes and to help stratify patients, we applied an objective marker, i.e., an instrumented version of the traditional "Timed Up and Go" test (iTUG).

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Assessing the effect of a physical activity intervention in a nursing home ecology: A natural lab approach

Carl-Philipp Jansen, Katrin Classen, Klaus Hauer, Mona Diegelmann, Hans-Werner Wahl
Nov 2014

The project 'Long-term Care in Motion' (LTCMo) as a part of the INNOVAGE consortium (funded by the European Commission) has the following aims: Overall: Install and assess a socially innovative intervention in the nursing home ecology. Concrete: (a) Conceptualization of a multidimensional intervention program (resident and staff oriented) with the potential to promote PA in nursing home residents; (b) Mixed-methods assessment of the program based on automated recording as well as questionnaire data.

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The effect of supervised exercise therapy on physical activity and ambulatory activities in patients with intermittent claudication

H.J.P. Fokkenrood, G.J. Lauret, N. Verhofstad, B.L.W. Bendermacher, M.R.M. Scheltinga, J.A.W. Teijink
Nov 2014

The aim of this study was to investigate the effect of Supervised Exercise Therapy on Physical Activity levels and ambulatory activities in patients with Intermittent Claudication.

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Instrumented Functional Reach Test Differentiates Individuals at High Risk for Parkinson’s Disease from Controls

Sandra E. Hasmann, Daniela Berg, Markus A. Hobert, David Weiss, Ulrich Lindemann, Johannes R. Streffer, Inga Liepelt-Scarfone, Walter Maetzler
Oct 2014

This cross-sectional study aimed at investigating whether the iFR has the potential to differentiate individuals with high risk for PD (HRPD) from CO, as the delineation of such individuals would allow for, e.g., early neuromodulation.

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The difference in ‘wearing time’ in three valid accelerometers in patients with COPD

Annemie Smeets, Jaume T. Pallicer, Miek Hornikx, David Donaire-Gonzalez, Heleen Demeyer, Carlos A.M. Camillo, Elana Gino-Santoz, Judith Garcia-Aymerich, Thierry Troosters
Oct 2014

Several accelerometers are valid to measure physical activity in COPD. Little is known about the agreement in wearing time between devices.

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Heterogeneity of quadriceps muscle phenotype in chronic obstructive pulmonary disease (COPD); implications for stratified medicine?

Amanda Natanek, Harry Gosker, Ilse Slot, Gemma S. Marsh, Nicholas S. Hopkinson, Willian D-C Man, Ruth Tal-Singer, John Moxham, Paul R. Kemp, Annemie Schols, Michael I. Polkey
Oct 2014

We measured fiber size and proportion and assessed the relationship with quadriceps function (strength and endurance), clinical phenotype (lung function, physical activity, fat-free mass) and exercise performance.

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The effect of dance mat exergaming systems on physical activity and health – Related outcomes in secondary schools: Results from a natural experiment

Liane B. Azeveda, Duika L. Burges Watson, Catherine A. Haighton, Jean Adams
Sep 2014

The aim of this natural experiment was to examine the effect of introducing the dance mat exergaming systems on physical activity and health-related outcomes in 11–13 year old students using a non-randomised controlled design and mixed methods.

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Relationship between the functional status constructs and quality of life in COPD

Karoliny dos Santos, Manuela Karloh, Cintia Araujo, Andrezza Brognoli D'Aquino, Anamaria Fleig Mayer
Sep 2014

To investigate the association between QOL and functional status, measured by four different instruments: London Chest Activity of Daily Living scale (LCADL), six-minute walking test (6MWT), Glittre ADL-test (TGlittre) and assessment of physical activities in daily living (PADL).

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Physiological responses to the Glittre-ADL test in patiens with Chronic Obstructive Pulmonary Disease

Manuela Karloh, Marlus Karsten, Fernanda V. Pissaia, Cintia Araujo, Anamaria Fleig Mayer
Sep 2014

The aim of this study was to investigate the physi-ological responses induced by the Glittre-ADL test (TGlittre) test in patients with chronic obstructive pulmonary disease (COPD) and compare them with those induced by the 6-min-ute walk test (6MWT).

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High-intensity interval exercise training improves daily physical activity levels in COPD

Eleni Kortianou
Sep 2014

The European Respiratory Society assumes no responsibility for any injury and/or damage to persons or property arising out of or related to any use of the material contained in these abstracts.

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Effectiveness of a physical exercise training programme COPD in primary care: A randomized controlled trial

Annemieke Fastenau, Onno van Schayck, Bjorn Winkens, Rik Gosselink, Jean W. Muris
Sep 2014

The aim of this paper is to describe the design of a randomized controlled trial to assess the efficacy of a physical exercise training programme in patients with mild to moderate COPD.

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Development of a New Approach to Quantifying Stepping Stability Using Ensemble Empirical Mode Decomposition

Xingran Cui, Chung-Kang Penga, Madalena D. Costaa, Aner Weiss, Ary L. Goldbergera, Jeffrey M. Hausdorff
Sep 2014

This study introduces a novelmeasure, termed the step stability index (SSI), to quantify stepping stability under non-stationary walking conditions among older adults.

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Impact of Resistance Training in Chronic Obstructive Pulmonary Disease Patients During Periods of Acute Exacerbation

Rodrigo C. Borges, Celso R.F. Carvalho
Sep 2014

To evaluate the effects of whole-body resistance training on exercise capacity, health-related quality of life (HRQL) and muscle strength in patients hospitalized for exacerbation of chronic obstructive pulmonary disease (COPD).

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Gait and balance in Parkinson’s disease subtypes: objective measures and classification considerations

Talia Herman, Aner Weiss, Marina Brozgol, Nir Giladi, Jeffrey M. Hausdorff
Sep 2014

To better understand motor subtypes within Parkinson's disease, we objectively quantified gait and balance and their behavioral correlates.

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Gait characteristics and energy expenditure during 6-minute walk test (6MWT) in phenotypes of COPD

Ruby Stella Robert, Vishal Bansal, Pawan Gupta, S.K. Chhabra, Rajendra Prasad
Aug 2014

To evaluate the differences in the gait characteristics and energy expenditure during the 6MWT in emphysema-predominant and non-emphysematous phenotypes of COPD.

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Physical activity monitoring in patients with peripheral arterial disease: validation of an activity monitor

H.J.P. Fokkenrood, N. Verhofstad, M.M.L. van den Houten, G.J. Lauret, C. Wittens, M.R.M. Schelting, J.A.W. Teijink
Aug 2014

The aim of this study was to validate daily activities using a novel type of tri-axial accelerometer (Dynaport MoveMonitor) in patients with Intermittent Claudication.

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Physical Activity in Daily Life Assessed by an Accelerometer in Kidney Transplant Recipients and Hemodialysis Patients

E Carvalho, M. Reboredo, E. P. Gomes, D.R. Teixeira, N.C. Roberti, J. Mendes, J.C.A. de Oliveira, Hélady Sanders-Pinheiro, B Pinheiro
Jul 2014

This study sought to evaluate the physical activity in daily life in kidney transplant recipients (KTRs) compared with HD patients and to explore its relationship with clinical variables.

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New evidence for gait abnormalities among Parkinson’s disease patients who suffer from freezing of gait: insights using a body-fixed sensor worn for 3 days

Aner Weiss, Talia Herman, Nir Giladi & Jeffrey M. Hausdorff
Jul 2014

We evaluated whether long-term recordings of Parkinson patients with a 3-D accelerometer for 3 days reveal gait alterations in freezers and if these features were related to freezing severity and its impact on daily function.

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Effect of bed height and use of hands on trunk angular velocity during the sit-to-stand transfer

Ulrich Lindemann, Leon van Oosten, Jordi Evers, Clemens Becker, Jaap H. van Dieen, Rob C. van Lummel
Jul 2014

This study was to investigate the effect of bed height and use of hands on trunk angular velocity and trunk angles during the sit-to-stand (STS) performance.

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Longitudinal effects of anxiety and depression on physical activity in COPD patients

Ivan Duenas-Espin, Heleen Demeyer, Elena Gimeno-Santos, Mike Polkey, Roberto Rabinovich, Fabienne Dobbels, Niklas Karlsson, Thierry Troosters, Judith Garcia-Aymerich
Jun 2014

To assess the longitudinal effects of anxiety and depression on PA in COPD patients.

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Physical activity monitoring in patients with intermittent claudication

G.J. Lauret, H.J.P. Fokkenrood, B.L. Bendermacher, M.R.M. Schelting, J.A.W. Teijink
Jun 2014

The aim of this study was to quantify daily Physical Activity level and energy expenditure of newly diagnosed patients with Intermittent Claudication and healthy controls.

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Objective Assessment of Fall Risk in Parkinson’s Disease Using a Body-Fixed Sensor Worn for 3 Days

Aner Weiss, Talia Herman, Nir Giladi, Jeffrey M. Hausdorff
May 2014

We tested, for the first time, whether metrics derived from 3 day continuous recordings are associated with fall risk in PD.

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Physical activity recommendations in patients with chronic obstructive pulmonary disease

Hartman, J.E., et al.
May 2014

The objective of the current study was to compare individualized (relative) and nonindividualized (absolute) physical activity recommendations in patients with COPD and to assess whether there are differences between patients with mild to moderate and (very) severe COPD.

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Consistency of gait characteristics as determined from acceleration data collected at different trunk locations

Sietse M.Rispens, Mirjam Pijnappels, Kimberley S. van Schooten, Peter J. Beek, Andreas Daffertshofer, Jaap H. van Dieën
May 2014

We studied (outdoors) over-ground walking over repeated short-distances where we included turns to investigate gait parameters obtained from activities such as in a daily life setting.

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Validation of a body-worn accelerometer to measure activity patterns in octogenarians

Lynne M. Taylor, Jochen Klenk, Alistair J. Maney, Ngaire Kerse, Bruce M. MacDonald, Ralph Maddison
May 2014

To determine the validity of a triaxial body-worn accelerometer for detection of gait and postures in people aged >80 years.

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Postural control in children and young adults with vergence insufficiency

Dominique Bremond-Gignac, Julien Ricard, David Rivalan, Clement Dhainaut, Pascal Louage, Zoi Kapoula
Apr 2014

To study the postural control in children and young adults with vergence insufficiency.

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Exacerbations in patients with chronic obstructive pulmonary disease receiving physical therapy: A cohort-nested randomised controlled trial

Emmylou Beekman, Ilse Mesters, Erik J.M. Hendriks, Jean W. Muris, Geertjan Wesseling, Silvia M.A.A. Evers, Guus M. Asijee, Annemieke Fastenau, Hannah Hoffenkamp, Rik Gosselink, Onno C.P. van Schayck, Rob A. de Bie
Apr 2014

This study aims to investigate the potential of a protocol-directed physical therapy programme as a means to prevent or postpone exacerbations, to shorten the duration or to decrease the severity of exacerbations in patients with COPD who have recently experienced an exacerbation.

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The Impact of an External Breast Prosthesis on the Gait Parameters of Women After Mastectomy

Katarzyna Hojan, Faustyna Manikowska, Marta Molinska-Glura, Brian Po-Jung Chen, Marek Jozwiak
Apr 2014

This study aimed to determine whether wearing an external breast prosthesis affects gait in women after a mastectomy.

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Postural threat during walking: Effects on energy cost and accompanying gait changes

Trienke IJmker, Claudine Lamoth, Han Houdijk, Lucas H.V. van der Woude, Peter J. Beek
Apr 2014

The aim of the present study was to determine the influence of postural threat on the energy cost of walking, as well as on concomitant changes in spatiotemporal gait parameters, muscle activity and perturbation responses. In addition, we examined if and how these effects are dependent on walking speed.

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Accelerometer-based quantitative analysis of axial nocturnal movements differentiates patients with Parkinson’s disease, but not high-risk individuals, from controls

Maartje Louter, Walter Maetzler, Jos Prinzen, Rob C. van Lummel, Markus A. Hobert, Johan B. A. M. Arends, Bastiaan R. Bloem, Johannes Streffer, Daniela Berg, Sebastiaan Overeem, Inga Liepelt-Scarfone
Apr 2014

In this study we hypothesised that changes in nocturnal movement patterns might occur already in non-PD individuals with a potentially high risk for future development of the disease.

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Identification of fall risk predictors in daily life measurements gait characteristics’ reliability and association with self-reported fall history

Sietse M. Rispens, Kimberley S. van Schooten, Mirjam Pijnappels, Andreas Daffertshofer, Peter J. Beek, Jaap H. van Dieën
Apr 2014

The aim of this study was to identify gait characteristics that are associated with self-reported fall history and that can be reliably assessed based on ambulatory data collected during a single week.

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Accuracy of three activity monitors in patients with chronic obstructive pulmonary disease: A comparison with video recordings

Mikael Andersson, Christer Janson, Margareta Emtner
Apr 2014

The aim of this study was to assess the accuracy and equivalency of three activity monitors regarding steps, body position and their ability to differentiate between periods of physical activity and inactivity.

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Association between performance on Timed Up and Go subtasks and mild cognitive impairment: further insights into the links between cognitive and motor function

Anat Mirelman, Aner Weiss, Aron S. Buchman, David A. Bennett, Nir Giladi, Jefferey M. Hausdorff
Apr 2014

The objective was to assess whether different TUG subtasks are preferentially affected among older adults with mild cognitive impairment (MCI) and are specific to different cognitive abilities.

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Automated detection of missteps during community ambulation in patients with Parkinson’s disease: a new approach for quantifying fall risk in the community setting

Tal Iluz, Eran Gazit, Talia Herman, Eliot Sprecher, Marina Brozgol, Nir Giladi, Anat Mirelman, Jeffrey M. Hausdorff
Apr 2014

We developed an objective tool for detecting missteps under real-world, daily life conditions to enhance the evaluation of fall risk and applied this new method to 3 day continuous recordings.

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Physical activity and physical fitness in lymphoma patients before, during, and after chemotherapy: a prospective longitudinal study

Nele Vermaete, Pascal Wolter, Gregor Verhoef, Rik Gosselink
Mar 2014

The aim of this longitudinal study was to assess fatigue, physical activity, and physical fitness in lymphoma patients before, during, and after treatment.

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A flexed posture in elderly patients is associated with impairments in postural control during walking

Maartje H. de Groot, Hanna C. van der Jagt-Willems, Jos P.C.M. van Campen, Willem F. Lems, Jos H. Beijnen, Claudine J.C. Lamoth
Feb 2014

The aim of the current study was therefore to examine postural control during walking in elderly patients with FP, and to investigate the relationship with geriatric phenomena that may cause FP, such as increased TK, VFs, frailty, polypharmacy and cognitive impairments. Fifty-six elderly patients (aged 80 ± 5.2 years; 70% female) walked 160 m at self-selected speed while trunk accelerations were recorded.

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Toward ambulatory balance assessment: estimating variability and stability from short bouts of gait

Kimberley S. van Schooten, Sietse M. Rispens, Petra J.M. Elders, Jaap H. van Dieën, Mirjam Pijnappels
Feb 2014

This study aimed to explore the feasibility of using metrics of gait kinematics in clinical practice and ambulatory assessment, where only a small number of consecutive strides are available.

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Associations between quantitative mobility measures derived from components of conventional mobility testing and Parkinsonian gait in older adults

Aron S. Buchman, Sue E. Leurgans, Aner Weiss, Veronique anderHorst, Anat Mirelman, Robert Dawe, Lisa L. Barnes, Robert S. Wilson, Jeffrey M. Hausdorff, David A. Bennett
Jan 2014

The objective of this study was to provide objective measures which characterize mobility in older adults assessed in the community setting and to examine the extent to which these measures are associated with Parkinsonian gait.

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Activity monitoring reflects cardiovascular and metabolic variations in COPD patients across GOLD stages II to IV

Eleni Kortianou, Zafeiris Louvaris, Maroula Vasilopoulou, Ioannis G. Nasis, Georgios Kaltsaka, Nikolaos G. Koulouris, Ioannis Vogiatzis
Dec 2013

We investigated whether activity monitoring reliably reflects variations in oxygen transport and utilization during walking in COPD patients.

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Diagnostic criteria for sarcopenia relate differently to insulin resistance

A.Y. Bijlsma, C.G. Meskers, D. van Heemst, R.G. Westendorp, A.J. de Craen, A.B. Maier
Dec 2013

We assessed these muscle characteristics in relation to insulin resistance in nondiabetics.

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Physical and psychosocial factors associated with physical activity in patients with chronic obstructive pulmonary disease.

J.E. Hartman, H.M. Boezen, M.H. de Greef, N.H. Ten Hacken
Dec 2013

To assess physical activity and sitting time in patients with chronic obstructive pulmonary disease (COPD) and to investigate which physical and psychosocial factors are associated with physical activity and sitting time.

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Discrepancy between functional exercise capacity and daily physical activity: a cross-sectional study in patients with mild to moderate COPD

A. Fastenau, O.C. van Schayck, R. Gosselink, K.C. Aretz, J.W. Muris
Dec 2013

To assess the relationship between functional exercise capacity and physical activity in patients with mild to moderate COPD.

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Quantitative Description of the Lie-to-Sit-to-Stand-to-Walk Transfer by a Single Body-Fixed Sensor

Fabio Bagala, Jochen Klerk, Angelo Cappello, Lorenzo Chiari, Clemens Becker, Ulrich Lindemann
Dec 2013

The aim of this study was to use a single body-fixed inertial sensor to describe the complex movement of the LSSW transfer. Fifteen older patients of a geriatric rehabilitation clinic (median age 81 years) and 10 young healthy persons (median age 37 years) were instructed to stand up from bed in a continuous movement and to start walking.

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The Respond Trial—Rivastigmine to Stabilise Gait in Parkinson’s Disease a Phase II, Randomised, Double Blind, Placebo Controlled Trial to Evaluate the Effect of Rivastigmine on Gait in Patients with Parkinson’s Disease Who Have Fallen

Emily J. Henderson, Stephen R. Lord, Jacqueline C.T. Close, Andrew David Lawrence, Alan Whone, Yoav Ben-Shlomo
Dec 2013

The aim of this trial is to evaluate the impact of a cholinesterase inhibitor on cognitive function and gait performance in people with established Parkinson's disease.

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Assessing Gait Stability: The Influence of State Space Reconstruction on Inter- and Intra-day Reliability of Local Dynamic Stability during Over-ground Walking

Kim van Schooten, Sietse M. Rispens, Mirjam Pijnappels, Andreas Daffertshofer, Jaap van Dieen
Nov 2013

For clinical use, differences on the individual level should also be detectable, requiring reliability to be high. In the current study, reliability of short-term local dynamic stability was investigated within and between days.

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Effect of balance support on the energy cost of walking after stroke

T. IJmker, H. Houdijk, C.J. Lamoth, A.V. Jarbandhan, D. Rijntjes, P.J. Beek, L.H. van der Woude
Nov 2013

To examine the influence of balance support on the energy cost of treadmill and overground walking in ambulatory patients with stroke.

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Pain and physical performance in people with COPD

Bahareh HajGhanbari, S. Jayne Garland, Jeremy D. Road, W. Darlene Reid
Nov 2013

The purpose of this study was to examine if pain is associated with functional exercise capacity (assessed with the six-minute walk test, 6MWT), physical activity (assessed by accelerometry), and muscle performance (maximal knee extensor torque) in people with COPD.

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Fall risk and gait in Parkinson’s disease: The role of the LRRK2 G2019S mutation

Anat Mirelman, Talia Heman, Kira Yasinovsky, Avner Thaler, Tanya Gurevich, Karen S. Marder, Susan Bressman, Anat Bar-Shira, Avi Orr-Urtreger, Nir Giladi, Jeffrey M. Hausdorff
Oct 2013

We quantitatively compared gait and mobility in patients with PD carriers of the G2019S mutation to non-carrier patients with PD to better understand the genotype-phenotype relationship.

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The Gait Pattern in Post-Menopausal Women. Pilot Study

Fausyna Manikowska, Katarzyna Hojan, Brian Po-Jung Chen, Marek Jozwiak, Andrzej Jozwiak
Oct 2013

The aim of this study was to determine the effect of menopause on gait patterns in healthy women.

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Validity and reliability of measuring activities, movement intensity and energy expenditure with the DynaPort MoveMonitor

Sonja de Groot, Mieke G. Nieuwenhuizen
Oct 2013

The purpose of this study was to evaluate the validity and reliability of assessing activities, movement intensity (MI) and energy expenditure (EE) measured by accelerometry.

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Intensity of physical activity is associated with central hemodynamic and leg muscle oxygenation capacities in COPD

Eleni Kortianou
Sep 2013

In COPD, physical activity is reported to be adversely associated with the magnitude of exercise-induced dynamic hyperinfl ation.

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Trunk-acceleration based assessment of gait parameters in older persons: a comparison of reliability and validity of four inverted pendulum based estimations.

Agnes Zijlstra, Wiebren Zijlstra
Sep 2013

The aim of this study was to compare reliability and validity of four different IP based estimations of mean step length in independent-living older persons.

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Mechanical restriction to tidal volume expansion partially determines intensity of physical activity in COPD

Eleni Kortianou
Sep 2013

We investigated whether the intensity of movement outdoors adopted by each individual COPD patient during walking, is determined by the degree of mechanical restriction to tidal volume expansion

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Evaluation of Progression Markers in the Premotor Phase of Parkinson’s Disease: The Progression Markers in the Premotor Phase Study

Inga Liepelt-Scarfone, Katharina Gauss, Walter Maetzler, Katharina Mueller, Chrisitan Bormann, Monika Fuhrmann-Berger, Maarten Timmers, Johannes R. Streffer, Daniela Berg
Sep 2013

The aim of the presented study is to monitor progression of the neurodegenerative process to motor PD.

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Physical activity in patients with asthma referred to a pulmonologist, a pilot-study

Alex van 't Hul, Hans In 't Veen, Arjen Roos, Simone van der Sluys, Alie van Bruggen
Aug 2013

The aim of the present pilot-study was to evaluate PA in daily life in patients with asthma newly referred to a pulmonologis

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Detecting not-wearing periods during activity monitoring

Martijn Niessen, Mirjam Pijnappels, Jaap van Dieën, Rob van Lummel
Aug 2013

To get better insight in the wearing time measured by the DynaPort activity monitor (McRoberts BV).

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Inspiratory muscle training protocol for patients with chronic obstructive pulmonary disease (IMTCO study): A multicentre randomised controlled trial

Noppawan Charususin, Rik Gosselink, Marc Decramer, Alison K. McConnell, Didier Saey, Francois Maltais, Eric Derom, Stefanie Vermeersch, Hanneke A.C. van Helvoort, Yvonne Heijdra, Mariska Klaassen, Rainer Gloeckl, Klaus Kenn, Daniel Langer
Aug 2013

In this study, we will investigate whether the addition of IMT to a general exercise training programme improves 6 min walking distance, health-related quality of life, daily physical activity and inspiratory muscle function in patients with COPD with inspiratory muscle weakness.

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Agreement of classification of COPD patients’ physical activity with two activity monitors

Heleen Demeyer, Roberto Rabinovich, Susan Loh, Yogini Raste, Nick Hopkinson, Zafiris Louvaris, Iannis Vogiatzis, Corina De Jong, Tys Van der Molen, Elena Gimeno-Santos, Solange Rohou, Damijan Erzen, Karoly Kulich, Niklas Karlsson, Thierry Troosters, Judith Garcia Aymerich
Aug 2013

To test whether similar PA classification of patients would be obtained when using 2 valid activity monitors.

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Which is the variable of physical activity monitoring that better correlates with functional exercise capacity in COPD?

Nidia Aparecida Hernandes, Thaís Sant'Anna, Karina Furlanetto, Vanessa Suziane Probst, Fabio Pitta
Aug 2013

To identify which PADL variable better correlates with functional exercise capacity in patients with COPD.

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Using a Body-Fixed Sensor to Identify Subclinical Gait Difficulties in Older Adults with IADL Disability: Maximizing the Output of the Timed Up and Go

Aner Weiss, Anat Mirelman, Aron S. Buchman, David A. Bennett, Jeffrey M. Hausdorff
Jul 2013

We tested whether measures derived from a single body-fixed sensor worn during traditional Timed Up and Go (TUG) testing could identify subclinical gait impairments in community dwelling older adults without mobility disability.

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MuRF-1 and Atrogin-1 Protein Expression and Quadriceps Fiber Size and Muscle Mass in Stable Patients with COPD

Samantha A. Natanek, Joanna Riddoch-Contreras, Gemma S. Marsh, Nicholas S. Hopkinson, John Moxham, William D.-C. Man, Paul R Kemp, Michael I Polkey
Jul 2013

Small clinical studies suggest MuRF-1 and atrogin-1 expression in the quadriceps muscle is also increased in stable patients with Chronic Obstructive Pulmonary Disease compared to controls.

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Quantification of Motor Impairment in Parkinson’s Disease Using an Instrumented Timed Up and Go Test

Luca Palmerini, Sabato Mellone, Guido Avanzolini, Franco Valzania, Lorenzo Chairi
Jul 2013

The aim was to select reliable measures to identify and quantify the differences between the motor patterns of healthy and PD subjects; in order to do so, besides comparing each measure individually to find significant group differences, feature selection and classification were used to identify the distinctive motor pattern of PD subjects.

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Local dynamic stability as a responsive index for the evaluation of rehabilitation effect on fall risk in patients with multiple sclerosis: A longitudinal study

Roger Hilfiker, Claude Vaney, Brigitte Gattlen, Andre Meichtry, Olivier Deriasz, Veronique Lugon-Moulin, Anne-Marie Anchisi-Bellwald, Cecilia Palaci, Denise Foinant, Philippe Terrier
Jul 2013

With this longitudinal study over three weeks, we aimed to assess the responsiveness of Local Dynamic Stability to a rehabilitation program and to compare it to other measures.

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Physical activity and low back pain: The role of subgroups based on the avoidance-endurance model

Heike Plaas, Sigrid Sudhaus, Roland Willburger, Monika Hasenbring
Jul 2013

This study examines the relationship between low back pain, disability and fatigue and overt physical activity with respect to fear-avoidance and endurance-related subgroups.

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Energy cost of balance control during walking decreases with external stabilizer stiffness independent of walking speed

Trienke IJmker, Han Houdijk, Claudine Lamoth, Peter J. Beek, Lucas H. van der Woude
Jul 2013

In the present study, we applied this method to test two hypotheses: (1) the effect of external stabilization on energy cost depends on the stiffness of the stabilizing springs, and (2) the energy cost for balance control, and consequently the effect of external stabilization on energy cost, depends on walking speed.

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Vergence and Standing Balance in Subjects with Idiopathic Bilateral Loss of Vestibular Function

Zoï Kapoula, Chrystal Gaertner, Qing Yang, Pierre Denise, Michel Toupet
Jun 2013

This study examines both vergence eye movements in patients with idiopathic bilateral vestibular loss, and their standing balance in relation to vergence.

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Does the Evaluation of Gait Quality During Daily Life Provide Insight Into Fall Risk? A Novel Approach Using 3-Day Accelerometer Recordings

Aner Weiss, Marina Brozgol, Moran Dorfman, Talia Herman, Shirley R. Shema, Nir Giladi, Jeffrey M. Hausdorff
Jun 2013

To quantify fall risk in the home setting using an accelerometer.

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Estimating fall risk with inertial sensors using gait stability measures that do not require step detection

F. Riva, M.J.P. Toebes, M. Pijnappels, R. Stagni, J.H. van Dieen
Jun 2013

The aim of the present study was to investigate the association between the aforementioned measures and fall history in a large sample of subjects (42 fallers and 89 non-fallers) aged 50 or older.

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Pattern of respiratory muscle recruitment during walking in active and less physically-active COPD patients

Maroula Vasilopoulou, Eleni Kortianou, Zafeiris Louvaris, Stavroula Spetsioti, Ioannis Nasis, Andreas Asimakos, Theodora Vasilogiannakopoulou, Spyros Zakynthinos, Ioannis Vogiatzis
Jun 2013

To investigate whether walking movement intensity is associated with the pattern of respiratory muscle recruitment in COPD.

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The effect of a hippotherapy session on spatiotemporal parameters of gait in children with cerebral palsy – Pilot study

Faustyna Manikowska, Marek Jozwiak, Maciej Idzior, Brian Po-Jung Chen, Dariusz Tarnowski
Jun 2013

The aim of this study was to analyze the effect of hippotherapy on spatiotemporal parameters of gait in cerebrally palsied children.

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Automated approach for quantifying the repeated sit-to-stand using one body fixed sensor in young and older adults

Rob C. van Lummel. Erik Ainsworth, U. Lindemann, W. Zijlstra, L. CHiari, P. van Campen, J. M. Hausdorff
May 2013

The objectives of the present study were to describe the feasibility of using an automated approach for quantifying the STS using one sensor location and to start testing the discriminative validity of this approach by comparing older and younger adults.

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Variation and achievement of ambulatory activity among patients with chronic stroke.

Sanne Frazer, W. Hellebrand, Noël L W Keijsers
Mar 2013

To measure the variation in activity parameters in patients with stroke over several days, and to assess whether patients with chronic stroke differ from each other in their achievement of ambulatory activity level.

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Objective assessment, repeatability, and agreement of shoulder ROM with a 3D gyroscope

Bilal F. El-Zayat, Turgay Efe, Annett Heidrich, Udo Wolff, Nina Timmerfeld, Susanne Fuchs-Winkelmann, Markus D. Schofer
Feb 2013

We aimed to assess the precision (repeatability) and agreement of this instrument in human subjects, as compared to the conventional goniometer.

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Validity of physical activity monitors during daily life in patients with COPD

Roberto Rabinovich, Zafeiris Louvaris, Yogini Raste, Daniel Langer, Hans van Remoortel, Santiago Giavedoni, Chris Burtin, Eloisa M. Gatti Regueiro, Ioannis Vogiatzis, Nicholas S. Hopkinson, Michael I. Polkey, Frederick J. Wilson, William Macnee, Klaas Westerterp, Thierry Troosters
Feb 2013

Our aim was to evaluate the validity and usability of six activity monitors in patients with COPD against the doubly labelled water (DLW) indirect calorimetry method.

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Is walking in daily life a moderate intensity activity in patients with chronic obstructive pulmonary disease?

R. Vitorasso, C.A. Camillo, V. Cavalheri, N. Aparecida Hernandes, A. Cortez Verceze, T. Sant'Anna, F. Ferreira Monteiro, E.M. Ramos, F. Pitta
Dec 2012

To quantify in patients with COPD the time spent/day in physical activity of at least moderate intensity according to the ACSM (TPA>moderate); and to compare their TPA>moderate with the total time spent walking/day in daily life (TW).

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Physical Activity In Daily Life In Brazilian COPD Patients During and After Exacerbation

Rodrigo C. Borges, Celso R.F. Carvalho
Dec 2012

To investigate the effect of hospitalization due to acute exacerbation of PADL in Brazilian COPD patients and to evaluate the factors that determines the physical activity levels during hospitalization and after discharge.

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Proposal for a Multiphase Fall Model Based on Real-World Fall Recordings with Body-Fixed Sensors

Clemens Becker, Lars Schwickert, Sabato Mellone, Fabio Bagala, Lorenzo Chiari, Jorunn L. Helbostad, Wiebren Zijlstra, Kamiar Aminian, Alan Bourke, Chris J. Todd, S. Bandinelli, Ngaire M. Kerse, Jochen Klenk
Dec 2012

The article describes the practicality and the limitations of this approach using body-fixed sensor technology. The features of the different phases are outlined with selected real-world fall signals.

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Importance of correcting for individual differences in the clinical diagnosis of gait disorders

Rachel Senden, Kenneth Meijer, Ide C. Heyligers, Hans Savelberg, Bernd Grimm
Dec 2012

To quantify the effects of subject characteristics on gait parameters using acceleration-based gait analysis.

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Test-retest reliability and minimal detectable change of repeated sit-to-stand analysis using one body fixed sensor in geriatric patients

Michael Schwenk, Stefanie Gogulla, Stefan Englert, A. Czempik, Klaus Hauer
Nov 2012

The aim of this study was to determine the reliability of an automated approach for quantifying durations and angular velocities of trunk flexion and extension during repeated SiSt transitions using one BFS (DynaPort® Hybrid)

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Sit-stand and stand-sit transitions in older adults and patients with Parkinson’s disease: Event detection based on motion sensors versus force plates

Agnes Zijlstra, Martina Mancini, Ulrich Lindemann, Lorenzo Chiari, Wiebren Zijlstra
Oct 2012

The aim of this study was to evaluate the agreement of detecting sit-stand and stand-sit events based on a novel body-fixed-sensor method with a force-plate based analysis.

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A Machine Learning Approach to Assessing Gait Patterns for Complex Regional Pain Syndrome

Mingjing Yang, Huiru Zheng, Haiying Wang, Sally I. McClean, Jane Hall, N.D. Harris
Oct 2012

This paper aims to investigate the feasibility of assessing the physical performance of patients with Complex Regional Pain Syndrome based on the analysis of gait data recorded by an accelerometer in short walking distances.

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Profile of physical activity in daily life in physically independent elderly men and women

Denilson de Castro Teixeira, Nidia Aparecida Hernandes, Vanessa Suziane Probst, Ercy Maria Cipulo Ramos, Antonio Fernando Brunetto, Fábio Pitta
Oct 2012

his study compared the profile of daily activities and variables of functional fitness between elderly men and women, as well as the relation of their time spent walking per day with the remaining study variables concerning each gender.

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Gait and cognition: The relationship between gait stability and variability with executive function in persons with and without dementia

Trienke IJmker, Claudine Lamoth
Oct 2012

The aim of this study was to investigate differences in the relationship between executive function and gait variability and stability during single task and dual task walking in persons with and without dementia.

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Validation of seat-off and seat-on in repeated sit-to-stand movements using a single-body-fixed sensor

Rob C. van Lummel, Erik Ainsworth, Jeffrey M. Hausdorff, U. Lindemann, Peter J. Beek, Jaap van Dieën
Oct 2012

The aim of this study is to validate seat-off and seat-on detection using a single-body-fixed sensor against detection based on chair switches.

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Physiological phenotype and daily physical activity in COPD patients. A pilot study in Greece

Eleni Kortianou
Sep 2012

The objective of this pilot study was to examine the impact of baseline lung dysfunction, exercise capacity and quadriceps muscle strength on daily walking movement intensity (WalkMI), walking energy expenditure (WalkEE) and average energy expenditure (AvgEE) in patients with COPD.

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Using multi-dimensional dynamic time warping for TUG test instrumentation with inertial sensors

Ahmed Al-Jawad, Miguel R. Adame, Michailis Romanovas, Markus A. Hobert, Walter Maetzler, Martin Traechtler, Knut Moeller, Yiannos Manoli
Sep 2012

The approach is used to automate the process of assessment compared with the manual evaluation by using visual observation and a stopwatch.

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TUG Test Instrumentation for Parkinson’s disease patients using Inertial Sensors and Dynamic Time Warping

Miguel R. Adame, A. Al-Jawad, Michailas Romanovas, Markus A. Hobert, Walter Maetzler, K. Moeller, Yiannos Manoli
Aug 2012

An automatic assessment to sub-stitute a manual evaluation with visual observation and a stopwatch is aimed at to gain objective information about the patients.

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Detection and Analysis of Transitional Activity in Manifold Space

Raza Ali, Louis Atallah, Benny Lo, Guang-Zhong Yang
Aug 2012

To detect and analyze transitional activities, a manifold-based approach is proposed in this paper.

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A randomized controlled pilot study assessing the feasibility of combined motor-cognitive training and its effect on gait characteristics in the elderly

Eling D. de Bruin, Eva van het Reve, Kurt Murer
Aug 2012

(1) To develop a motor-cognition training programme; (2) to evaluate the ability to recruit and retain elderly people; (3) to assess the effects of the interventions.

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Local dynamic stability and variability of gait are associated with fall history in elderly subjects

Marcel J. P. Toebes, Marco J.M. Hoozemans, Regula Furrer, Joost Dekker, Jaap H. van Dieen
Jul 2012

The objective of the present study was to assess the association between gait variability, LDS of gait and fall history in a large sample of elderly subjects.

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Estimating energy expenditure from raw accelerometry in three types of locomotion

Mirko Brandes, Vincent T. van Hees, Viviane Hannoever, Soren Brage
Jul 2012

The current study aims to improve published equations by deriving an equation for overground walking and to evaluate whether overground cycling and stair walking require specific prediction equations.

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Overview and findings from the rush Memory and Aging Project.

D.A. Bennett, J.A. Schneider, A.S. Buchman, L.L. Barnes, P.A. Boyle, R.S. Wilson
Jul 2012

In this manuscript, we first summarize the study design and methods.

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Validity and reliability of accelerometer-based gait assessment in patients with diabetes on challenging surfaces

Eling D. de Bruin, Michèle Hubli, Pamela Hofer, Peter Wolf, Kurt Murer, Wiebren Zeilstra
Jun 2012

We investigate the test-retest reliability and construct validity of gait measured with the DynaPort MiniMod under single and dual task conditions in diabetic patients walking on irregular terrain to identify the measurement error (precision) and minimal clinical detectable change.

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Validity of six activity monitors in chronic obstructive pulmonary disease: a comparison with indirect calorimetry

Hans van Remoortel, Yogini Raste, Zafeiris Louvaris, Santiago Giavedoni, Chris Burtin, Daniel Langer, Frederick Wilson, Roberto Rabinovich, Ioannis Vogiatzis, Nicholas S. Hopkinson, Thierry Troosters
Jun 2012

The aim was to evaluate the validity of six monitors in patients with COPD.

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Evaluation of Accelerometer-Based Fall Detection Algorithms on Real-World Falls

Fabio Bagalà, Clemens Becker, Angelo Cappello, Lorenzo Chiari, Kamiar Aminian, Jeffrey M. Hausdorff, Wiebren Zijlstra, Jochen Klenk
May 2012

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IGAIT: An interactive accelerometer based gait analysis system

Mingjing Yang, Huiru Zheng, Haiying Wang, Sally I. McClean, Jane Hall, Dave Newell
May 2012

This paper presents a software program (iGAIT) developed in MATLAB, for the analysis of gait patterns extracted from accelerometer recordings. iGAIT provides a user-friendly graphical interface to display and analyse gait acceleration data recorded by an accelerometer attached to the lower back of subjects.

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Evaluation Of Intensity-Based Physical Activity In Patients With COPD

Yoshiaki Minakata, Akihito Sugino, Yuichi Honda, Tomohiro Ichikawa, Keiichiro Akamatsu, Akira Koarai, Tsunahiko Hirano, Masanori Nakanishi, Hisatoshi Sugiura, Kazuto Matsunaga, Masakazu Ichinose
May 2012

The objectives of this study were to evaluate the validity of the Actimarker for the measurment of physical activity in patients with COPD, and to determine the features of the activity in COPD.

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Daily Life Physical Activities And Pulmonary Function In Kidney Transplant Recipients

Erich, V. Carvalho, Edimar P. Gomes, Maycon Reboredo, Helady Sanders-Pinheiro, Rogerio de Paula, Gilberto F. Ferreira, Lais F.C.D. Carvalho, Julia O. Mendes, Nathalia C. Roberti, Julio C.A. Oliveira, Bruno V. Pinheiro
May 2012

The aim of this study was to determine whether kidney transplant recipients are less active than healthy sedentary controls and to correlate physical activity level with functional exercise capacity, lung function, quality of life and muscle strength.

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Estimation Of VO2 Using Activity Monitors In A Laboratory Setting In Patients With COPD

Hans van Ramoortel, Yogini Raste, Zafeiris Louvaris, Santiago Giavedoni, Chris Burtin, Daniel Langer, Fred Wilson, Roberto Rabinovich, Ioannis Vogiatzis, Nicolas S. Hopkinson, Thierry Troosters
May 2012

The aim of this study was to investigate whether combining information from several monitors would denhance their ability to predict VO2 in a laboratory setting.

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Obesity and Physical Activity in the Daily Life of Patients with COPD

Fabiane Monteiro, Carlos A. Camillo, Renato Vitorasso, Thais Sant'Anna, Nidia A. Hernandes, Vanessa S. Probst, Fabio Pitta
Mar 2012

The aim of this study was to investigate the differences in body composition between physically active and inactive patients with chronic obstructive pulmonary disease (COPD) and the relationship of obesity [according to body mass index (BMI) and percentage of fat mass (%FM)] with physical activity in the daily life (PADL) in this population.

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Exercise Training After Lung Transplantation Improves Participation in Daily Activity: A Randomized Controlled Trial

Daniel Langer, Chris Burtin, L. Schepers, A. Ivanova, G. Verleden, Marc Decramer, Thierry Troosters, Rik Gosselink
Mar 2012

We investigated whether 3 months of supervised training, initiated immediately after hospital discharge, improve functional recovery and cardiovascular morbidity of patients up to 1 year after lung transplantation.

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Impaired Trunk Stability in Individuals at High Risk for Parkinson’s Disease

Walter Maetzler, Martina Mancini, Inga Liepelt-Scarfone, Katharina Mueller, Clemens Becker, Rob van Lummel, Erik Ainsworth, Markus A. Hobert, Johannes R. Streffer, Daniela Berg, Lorenzo Chiari
Mar 2012

There is compelling evidence that changes of postural stability occur at very early clinical stages of Parkinson's disease, making it tempting to speculate that changes in sway performance may even occur at a prodromal stage, and may have the potential to serve as a prodromal marker for the disease.

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p38 Mitogen-activated Protein Kinase is Not Activated in the Quadriceps of Patients with Stable Chronic Obstructive Pulmonary Disease

Joanna Riddoch-Contreras, Tomasz George, Nicholas S. Hopkinson, Ruth Tal-Singer, Paul R. Kemp, Michael I. Polkey
Mar 2012

Quadriceps weakness is associated with a poor prognosis in COPD. Several data suggest that immobility and muscle wasting may be related through up-regulation of the p38 Mitogen associated protein kinase (MAPK) signalling pathway. We therefore hypothesised that this might occur in the quadriceps of COPD patients.

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Validity of a Smartphone-Based Instrumented Timed up and Go

Sabato Mellone, Carlo Tacconi, Lorenzo Chiari
Mar 2012

In this study we evaluate the validity of an SP for instrumenting the TUG.

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Sports activities are reflected in the local stability and regularity of body sway: Older ice-skaters have better postural control than inactive elderly

Claudine J.C. Lamoth, Marieke J.G. van Heuvelen
Mar 2012

The aim of the present study was to determine, whether patterns of body sway of elderly (N = 13) who practice a sport which challenges postural control (ice speed-skating), are more similar to that of young subjects (N = 10) than to that of inactive elderly (N = 10).

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Daily physical activity after bronchoscopic lung volume reduction: a pilot study

Jorine E. Hartman, H. Marike Boezen, Sanne Heintzbergen, Mathieu H.G. de Greef, Karin Klooster, Nick H.T. ten Hacken, Dirk-Jan Slebos
Mar 2012

Physical inactivity is known to cause muscle deconditioning, which increases the ventilatory requirements during exercise, and in turn increases lung hyperinflation and worsens dyspnoea, thus contributing to a downward spiral.

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Does the energy expenditure of patients with COPD reflect their time spent walking and intensity of walking in daily life?

Thaís Sant'Anna, Carlos Augusto Camillo, Renato Vitorasso, Anaisa Cortez Vercese, Victoria Cristina Escobar, Nidia Aparecida Hernandes, Fabio Pitta
Mar 2012

To verify the influence of time spent walking, movement intensity and other PADL variables on EE of patients with moderate to severe COPD.

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Comparison of outcomes of the Actigraph and the Dynaport activity monitor in patients with COPD; results from PROactive

Juliana Maria Sousa Pinto, Thierry Troosters, Laurence Vranken, Miek Hornikx, Heleen Demeyer, Wim Janssens, Marc Decramer, Judith Garcia-Aymerich
Mar 2012

We aimed to compare wearing time and walking between two activity monitors in COPD.

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Assessment of dual tasking has no clinical value for fall prediction in Parkinson’s disease

Katrijn Smulders, Rianne A.J. Esselink, Aner Weiss, Roy P.C. Kessels, Alexander C.H. Geurts, Bas Bloem
Feb 2012

The objective of this study is to investigate the value of dual-task performance for the prediction of falls in patients with Parkinson's disease (PD).

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Assessing the utility of smart mobile phones in gait pattern analysis

Mingjing Yang, Huiru Zheng, Haiying Wang, Sally I. McClean, Nigel Harris
Feb 2012

This paper aims to study the feasibility of using a smart mobile phone with an embedded accelerometer in gait pattern monitoring.

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Validation of the triaxial accelerometer for the evaluation of physical activity in Japanese patients with COPD

Masae Kanda, Yoshiaki Minakata, Kazuto Matsunaga, Hisatoshi Sugiura, Tsunahiko Hirano, Akira Koarai, Keiichiro Akamatsu, Tomohiro Ischikawam, Masakazu Ichinose
Feb 2012

We initially evaluated the reproducibility of the DAM in Japanese healthy subjects. Next, the within-subject repeatability and the determinants of physical activity were investigated in Japanese COPD patients.

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Clinical observational gait analysis to evaluate improvement of balance during gait with vibrotactile biofeedback.

Maurice J.A. Janssen, Rianne Pas, Jos Aarts, Yvonne J.M. Janssen-Potten, Hans S.H. Vles, Christine Nabuurs, Rob C. van Lummel, Robert Stokroos, H. Kingma
Jan 2012

This study explores the effect of vibrotactile biofeedback on gait in 20 patients with bilateral vestibular areflexia using observational gait analysis to score individual balance.

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Effects of 2 Exercise Training Programs on Physical Activity in Daily Life in Patients With COPD

Vanessa S. Probst, Demetria Kovelis, Nidia A. Hernandes, Carlos A. Camillo, Vinicius Cavalheri, Fabio Pitta
Nov 2011

The effects of different exercise training programs on the level of physical activity in daily life in patients with COPD remain to be investigated. In patients with COPD we compared the effects of 2 exercise/training regimens (a high-intensity whole-body endurance-and-strength program, and a low-intensity calisthenics-and-breathing-exercises program) on physical activity in daily life, exercise capacity, muscle force, health-related quality of life, and functional status.

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Gait variability in older adults: A structured review of testing protocol and clinimetric properties

Sue Lord, Tracey Howe, Julia Greenland, Linda Simpson, Lynn Rochester
Oct 2011

This structured review explicitly examined literature that reported on the reliability, validity and responsiveness of gait variability in older adults.

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The importance to including objective functional outcomes in the clinical follow up of total knee arthroplasty patients

Rachel Senden, Bernd Grimm, Kenneth Meijer, Hans Savelberg, Ide C. Heyligers
Oct 2011

This study investigated the suitability of AGA for measuring function in orthopaedic patients with symptomatic gonarthrosis listed for total knee arthroplasty (TKA) by investigating (a) the ability of AGA to distinguish patients from healthy subjects, (b) the sensitivity to gait changes of AGA in assessing recovery following total knee arthroplasty in a subpopulation, and (c) correlations between AGA parameters and clinical scales.

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Validity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks: a systematic review

Elena Gimeno-Santos, Anja Frei, Fabienne Dobbels, Katja Rüdell, Milo A. Puhan, Judith Garcia-Aymerich
Oct 2011

This study, which was limited to a specific case, had the following aims: (i) to identify conceptual frameworks of physical activity in chronic respiratory patients or similar populations (chronic heart disease patients or the elderly) and (ii) to assess whether the development and validation of PROs to measure physical activity in these populations were based on a conceptual framework of physical activity.

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Validation of a compact motion sensor for the measurement of physical activity in patients with chronic obstructive pulmonary disease

Akihito Sugino, Yoshiaki Minakata, Masae Kanda, Keiichiro Akamatsu, Akira Koarai, Tsunahiko Hirano, Hisatoshi Sugiura, Kazuto Matsunaga, Masakazu Ichinose
Sep 2011

The validity of the Actimarker was evaluated in COPD patients.

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Wearable systems with minimal set-up for monitoring and training of balance and mobility

Lorenzo Chiari
Sep 2011

With the objective to release solutions which can be easily manageable by their final users, including older users, we worked to design methods and devices which rely on a minimal set-up for monitoring and rehabilitation of balance and mobility.

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Combining physical activity monitoring and cardiac output during exercise in COPD patients with GOLD stages II-IV

Eleni Kortianou
Sep 2011

To investigate whether changes in estimated energy expenditure (EE) by activity monitoring are associated with changes in cardiac output (CO) during exercise.

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Daily Physical Activity in Patients with Chronic Obstructive Pulmonary Disease: A Systematic Review

Linda Bossenbroek, Mathieu H.G. de Greef, Johan B. Wempe, Wim P. Krijnen, Nick H.T. ten Hacken
Jul 2011

The aim of this review is to describe daily physical activity of COPD patients, and to examine its relationship with demographic factors, pulmonary function, physical fitness, systemic inflammation and quality of life.

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Objective Assessment of shoulder mobility with a new 3D gyroscope – A validation study

Bilal F. El-Zayat, Turgay Efe, Annett Heidrich, Udo Wolff, Nina Timmerfeld, Thomas J. Heyse, Stefan Lakemeier, Susanne Fuchs-Winkelmann, Markus D. Schofer
Jul 2011

Aim of this study is the validation of this measuring instrument using the BIODEX-System.

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Yin Yang 1 expression and localisation in quadriceps muscle in COPD

Amanda Natanek, Joanna Riddoch-Contreras, Gemma S. Marsh, Nicolas S. Hopkinson, William D-C. Man, John Moxham, Michael I. Polkey, Paul R. Kemp
Jun 2011

The aims of this study were to investigate YY1 expression and localisation in the quadriceps muscle of COPD patients compared to healthy age-matched controls, and examine the relationship between YY1 expression and localisation and quadriceps muscle fibre cross-sectional area (CSA) in COPD patients.

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Early functional outcome after subvastus or parapatellar approach in knee arthroplasty is comparable

Wouter L.W. van Hemert, Rachel Senden, Bernd Grimm, Matthijs J.A. van der Linde, Arno Lataster, Ide C. Heyligers
Jun 2011

In total knee arthroplasty, tissue-sparing techniques are considered more important, as functional gain could become more advantageous when early mobilization is commenced. The parapatellar approach is most often used, whereas the subvastus approach is a suitable alternative.

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Observing Recovery from Knee-Replacement Surgery by Using Wearable Sensors

Louis Atallah, Gareth G. Jones, Raza Ali, Julian Leong, Benny Lo, Guang-Zhong Yang
May 2011

This study employed a recognised protocol of activities both pre-operatively, and at regular intervals up to twenty-four weeks post-total knee arthroplasty.

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Markedly impaired bilateral coordination of gait in post-stroke patients: Is this deficit distinct from asymmetry? A cohort study

Ronald Meijer, Meir Plotnik, Esther Groot-Zwaaftink, Rob van Lummel, Erik Ainsworth, Juan Martina, Jeffrey M. Hausdorff
May 2011

The objective of this exploratory study is to quantify the effects of hemiparesis on two putatively independent aspects of the bilateral coordination of gait to gain insight into mechanisms and their relationship and to assess their potential as clinical markers.

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Comparison of Acceleration Signals of Simulated and Real-World Backward Falls

Jochen Klenk, Clemens Becker, F. Lieken, S. Nicolai, Walter Maetzler, Wilfried Alt, Wiebren Zijlstra, Jeffrey M. Hausdorff, Rob van Lummel, Lorenzo Chiari, U. Lindemann
Apr 2011

Fall simulations are widely used to gain insight into circumstances of falls, but the results, at least concerning fall detection, are not convincing.

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Does the BODE index reflect the level of physical activity in daily life in patients with COPD?

Leandro C. Mantoani, Nidia A. Hernandes, Monica M. Guilmaraes, Renato L. Vitorasso, Vanessa S. Probst, Fabio Pitta
Apr 2011

To study the relationship between the level of physical activity in daily life and disease severity assessed by the BODE index in patients with chronic obstructive pulmonary disease (COPD).

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EEG correlates of postural audio-biofeedback

Marco Pirini, Martina Mancini, Elisabetta Farella, Lorenzo Chiari
Apr 2011

By means of quantitative electroencephalography (EEG), we examined the basic processes in the brain that are involved in the perception and cognition of auditory signals used for ABF.

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Acceleration-Based Motion Analysis as a Tool for Rehabilitation Exploration in Simulated Functional Knee Limited Walking Conditions

Rachel Senden, Ide C. Heyligers, Kenneth Meijer, Hans Savelberg, Bernd Grimm
Mar 2011

The aim of this study was to investigate the ability of acceleration-based gait analysis to differentiate between normal gait and different simulated functional knee limitations of increasing severity.

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Activity monitoring in pulmonary rehabilitation in patients with COPD

Janos Varga, Krisztián Aranyász, Attila Somfay
Mar 2011

The quality of life and the risk of hospitalization are partially related to the activity level of patients with COPD. The effectiveness of pulmonary rehabilitation can be characterized by exercise physiologic variables and daily activity.

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The modified version of the pulmonary functional status and dyspnea questionnaire: A valid measure to evaluate functional status in patients with COPD

Chris Burtin, Daniel Langer, Hans Van Remoortel, Rik Gosselink, Wim Janssens, Marc Decramer, Thierry Troosters
Mar 2011

To establish the relationship between PFSDQ-M score and different objective measures reflecting different aspects of functional status.

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Use of accelerometers for measuring consecutive bouts in physical activity recommendations

Menno J. Zuidema, Jorine E. Hartman, Nick H.T. ten Hacken, Matthieu H.G. de Greef, Rob C. van Lummel
Mar 2011

The aim of the present study is to investigate the effect of different consecutive bout lengths and bout interruptions on the PA status using accelerometers.

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User acceptability of 6 activity monitors in COPD; part of the PROactive project

E. Regueiro, S. Donaldson, Z. Louvaris, C. Burtin, Y. Raste, I. Vogiatzis, N.S. Hopkinson, D. Langer, R. Rabinovich, F. Dobbels, B. Peterson, F. Wilson, T. Troosters, The PROactive Investigators
Mar 2011

To monitor patients' experiences and preferences after wearing multiple monitors for a sustained period.

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Activity outcomes correlation of 6 monitors in COPD, a field study part of the PROactive project

Santiago Giavedoni, Roberto Rabinovich, Yogini Raste, Nicholas Hopkinson, Hans Van Remoortel, Eloisa M. Gatti Regueiro, Daniel Langer, Zafiris Louvaris, Ioannis Vogiatzis, Barry Peterson, Frederick Wilson, Thierry Troosters
Mar 2011

Monitoring Physical activity (PA) in COPD patients is a new outcome to assess effects of interventions. It is unknown to what extent outcomes of different Physical activity monitors (PAM) interrelate when used in patients with low PA.

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Accelerometer Based Gait Aanalysis

Bart Jansen, Maxine Tan, Ivan Bautmans, Bart Van Keymolen, Tony Mets, Rudi Deklerck
Mar 2011

This paper describes an accelerometer based gait analysis system for the assessment of fall risk.

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Differences between active and inactive patients with COPD

Fabiane Monteiro, Nidia Hernandes, Thais Sant'Anna, Carlos Camillo, Renato Vitorasso, Vanessa Probst, Fabio Pitta
Mar 2011

To investigate differences between patients with COPD who achieve or not the minimum physical activity recommended by the American College of Sports Medicine (ACSM) according to age.

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Reliability and clinical correlates of 3D-accelerometry based gait analysis outcomes according to age and fall-risk

Ivan Bautmans, Bart Jansen, Bart van Keymolen, Tony Mets
Mar 2011

To investigate the reliability of a 3D-accelerometry based gait analysis, and its correlates with clinical status and fall-risk.

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Detection of lying, sitting, standing and locomotion under free living conditions (24h): validation of a one sensor versus a multiple sensor approach

Rob C. van Lummel, S. Heikens, M.J. Zuidema, W. Zijlstra
Mar 2011

The aim of this study is to validate a newly developed activity monitor (DynaPort® MoveMonitor) during unsupervised daily life conditions.

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The effects of a novel histamine-3 receptor inverse agonist on essential tremor in comparison to stable levels of alcohol

R.W.M. Zoethout, R. Iannone, Bas Bloem, J. Palcza, G. Murphy, Jeff Chodakewitz, A. Buntinx, K. Gottesdiener, S. Marsilio, Laura Rosen, Kristien van Dyck, E.D. Louis, Adam Cohen, R.C. Schoemaker, Shigeru Tokita, N. Sato, K.S. Koblan, R.H. Hargreaves, John J. Renger, Joop M.A. van Gerven
Feb 2011

Animal studies show that histaminergic modulation may affect the pathological processes involved in the generation of ET. Histamine-3 receptor inverse agonists (H3RIA) have demonstrated attenuating effects on ET in the harmaline rat model.

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Feature Selection for Accelerometer-Based Posture Analysis in Parkinson’s Disease

Luca Palmerini, Laura Rocchi, Sabato Mellone, Franco Valzania, Lorenzo Chiari
Feb 2011

The aim of this study was to assess the feasibility of using accelerometers to characterize the postural behavior of early mild PD subjects.

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Hilbert-Huang-Based Tremor Removal to Assess Postural Properties From Accelerometers

Sabato Mellone, Luca Palmerini, Angelo Cappello, Lorenzo Chiari
Feb 2011

In this study, an alternative method, based on Hilbert-Huang transformation (HHT), is proposed.

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Improvement of heart rate variability after exercise training and its predictors in COPD

Carlos A. Camillo, Viviane d Moraes Laburu, Nicole S. Goncalves, Vinicius Cavalheri, Fernanda P. Tomasi, Nidia A. Hernandes, Dionei Ramos, Luiz C. M. Vanderlei, Ercy Ramos, Vanessa S. Probst, Fabio Pitta
Feb 2011

We aimed to investigate changes in HRV after two exercise training programs in patients with COPD and to investigate the determinants of these eventual changes.

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Gait stability and variability measures show effects of impaired cognition and dual tasking in frail people

Claudine Lamoth, Floor van Deudekom, Jos P. van Campen, Bregje A. Appels, Oscar J. de Vries, Mirjam Pijnappels
Jan 2011

The aim of the study was to quantify the effect of impaired cognition and dual tasking on gait variability and stability in geriatric patients.

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Gait Alterations in Healthy Carriers of the LRRK2 G2019S Mutation

Anat Mirelman, Tanya Gurevich, Nir Giladi, Anat Bar-Shira, Avi Orr-Urtreger, Jeffrey M. Hausdorff
Jan 2011

To test for an association between the LRRK2-G2019S mutation and gait, we studied 52 first-degree relatives of patients with Parkinson's disease (PD) who carry this mutation.

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Peripheral neuropathy, decreased muscle strength and obesity are strongly associated with walking in persons with type 2 diabetes without manifest mobility limitations

Thomas T. van Sloten, Hans Savelberg, Inge Duimel-Peeters, Kenneth Meijer, Ronald M.A. Henry, Coen D.A. Stehouwer, Nicolaas Schaper
Jan 2011

We evaluated the associations of diabetic complications and underlying pathology with daily walking activity in type 2 diabetic patients without manifest mobility limitations.

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Technology Innovation Enabling Falls Risk Assessment in a Community Setting

Cliodhna Ni Scanaill, Chiara Garattini, Barry R. Greene & Michael J. McGrath
Dec 2010

This paper reviews the current technical and non-technical gait and balance assessments, discusses how low-cost technology can be applied to objectively administer and interpret these tests in the community, and reports on recent research where body-worn sensors have been utilized. It also discusses the barriers to adoption in the community and proposes ethnographic research as a method to investigate solutions to these barriers.

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Variability and stability analysis of walking of transfemoral amputees.

Claudine J. Lamoth, Erik Ainsworth, Wotjek Polomski, Han Houdijk
Nov 2010

Variability and stability of walking of eight transfemoral amputees and eight healthy controls was studied under four conditions: walking inside on a smooth terrain, walking while performing a dual-task and walking outside on (ir)regular surfaces.

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Validation of the DynaPort MiniMod during sleep: a pilot study

Linda Bossenbroek, Nienke Kosse, Nick ten Hacken, Marijke C. M. Gordijn, Johannes H. van der Hoeven, Mathieu de Graaf
Nov 2010

The goal was to examine the validity of the DynaPort MiniMod in assessing physical activity and body posture during sleep.

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A Clinical Application of Feature Selection: Quantitative Evaluation of the Locomotor Function

Luca Palmerini, Laura Rocchi, Sabato Mellone, Franco Valzania, Lorenzo Chiari
Oct 2010

Evaluation of the locomotor function is important for several clinical applications (e.g. fall risk of the elderly, characterization of a disease with motor complications).

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Improvement of balance after audio-biofeedback. A 6-week intervention study in patients with progressive supranuclear palsy

S. Nicolai, Anat Mirelman, Talia Herman, A. Zijlstra, Martina Mancini, Clemens Becker, U. Lindemann, D. Berg, Walter Maetzler
Aug 2010

Based on the observation that postural control improved in patients with vestibular dysfunction after audio-biofeedback training, we tested the effects of this training in PSP patients.

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Detection of Gait and Postures Using a Miniaturized Triaxial Accelerometer-Based System: Accuracy in Patients With Mild to Moderate Parkinson’s Disease

Baukje Dijkstra, Yvo P.T. Kamsma, Wiebren Zijlstra
Aug 2010

To examine whether gait and postures can accurately be detected with a single small body-fixed device in patients with mild to moderate Parkinson's disease.

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Nordic Walking improves daily physical activities in COPD: A randomised controlled trial

Marie Breyer, Robab Breyer-Kohansal, Georg-Christian Funk, Nicole Dornhofer, Martijn A. Spruit, Emiel Wouters, Otto C. Burghuber, Sylvia Hartl
Aug 2010

The aim was to determine the feasibility of Nordic Walking in COPD patients at different disease stages. Furthermore we aimed to determine the short- and long-term effects of Nordic Walking on COPD patients' daily physical activity pattern as well as on patients exercise capacity.

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Automated detection of near falls: algorithm development and preliminary results

Ana Weiss, Ilan Shimkin, Nir Giladi, Jeffrey M. Hausdorff
Mar 2010

The purpose of the present study was to develop a method for automatic detection of near falls, potentially a sensitive, objective marker of fall risk and to demonstrate the ability to detect near falls using this approach.

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Salient and placebo vibrotactile feedback are equally effective in reducing sway in bilateral vestibular loss patients

Maurice J.A. Janssen, Robert J. Stokroos, Jos Aarts, Rob van Lummel, Herman Kingma
Feb 2010

This study explores the effect of vibrotactile biofeedback on body sway in stance in patients with severe bilateral vestibular losses in a placebo-controlled study.

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Assessing accelerometer based gait features to support gait analysis for people with Complex Regional Pain Syndrome

Mingjing Yang, Huiru Zheng, Haiying Wang, Sally I. McClean, Jane Hall, N.D. Harris
Jan 2010

In this paper, we explored the feasibility of analysing gait patterns during the Short Physical Performance Battery test by using an accelerometer to record the movement of the subject.

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Quantifying effects of dual task performance and cognition on gait coordination in elderly geriatric patients

Claudine Lamoth, Foor van Deudekom, J.P. van Campen, Oscar J. de Vries, Mirjam Pijnappels
Jan 2010

The effects of a cognitive dual task on gait coordination in 24 older geriatric day clinic patients while walking at self-selected speed was studied and related to cognitive function.

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The effect of a training program combined with augmented afferent feedback from the feet using shoe insoles on gait performance and muscle power in older adults: A randomised controlled trial

Antonia Hartmann, Kurt Murer, Rob A. de Bie, Eling D. de Bruin
Jan 2010

The current study investigated the effect of physical exercise combined with wearing MedReflex shoe insoles on the gait performance and muscle power in older adults.

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Feature Selection for the Instrumented Timed Up and Go in Parkinson’s Diseasewe

Luca Palmerini, Laura Rocchi, Sabato Mellone, Lorenzo Chiari, Franco Valzania
Jan 2010

The aim was to find, by means of a feature selection, the best set of quantitative measures that would allow an objective evaluation of gait function in PD.

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Comparison of daily physical activity between COPD patients from Central Europe and South America

Fabio Pitta, Marie Breyer, Nidia A. Hernandes, Denilson C. Teixeira, Thais Sant'Anna, Andrea D. Fontana, Vanessa S. Probst, Antonio F. Brunetto, Martijn A. Spruit, Emiel Wouters, Otto C. Burghuber, Sylvia Hartl
Dec 2009

The objective of this study was to determine if this is also applicable in chronic obstructive pulmonary disease (COPD) by comparing physical activity levels in daily life in stable patients from two countries (Austria and Brazil) with different socio-economic and ethnic characteristics.

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Measuring Distance walked and step count in children with cerebral palsy: An evaluation of two portable activity monitors

Yi-Liang Kuo, Karen M. Culhane, Pamela Thomason, Oren Tirosh, Richard Baker
Dec 2009

Assessing clinical outcomes in the context of activity and participation is essential to reflect functional changes in the home and community for children with cerebral palsy (CP).

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Profile of the level of physical activity in the daily lives of patients with COPD in Brazil

N.A. Hernandes, C.D. de Teixeira, V.S. Probst, E.M. Ramos, F. Pitta
Oct 2009

To evaluate characteristics of physical activities in daily life in COPD patients in Brazil, correlating those characteristics with physiological variables.

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Reproducibility of spatio-temporal gait parameters under different conditions in older adults using a trunk tri-axial accelerometer system

Antonia Hartmann, Kurt Murer, Rob A. de Bie, Eling D. de Bruin
Aug 2009

The aim of this study was to determine intra- and interrater reliability of spatio-temporal gait parameters on different walking surfaces and under dual task conditions in an older adult population using a trunk tri-axial accelerometer (DynaPort((MiniMod)) system.

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Physical Activity in Daily Life 1 Year After Lung Transplantation

Daniel Langer, Rik Gosselink, Fabio Pitta, Chris Burtin, Geer Verleden, Lieven Dupont, Marc Decramer Thierry Troosters
Jul 2009

Reduced physical fitness has been reported to occur after lung transplantation. Pre- and post-transplant factors, including an inactive lifestyle, have been proposed as possible causes.

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What is the relationship between patients’ and clinicians’ reports of the outcomes of elective surgery?

Elizabeht Bream, Nick Black
Jul 2009

To identify studies in which patients' and clinicians' reports of health status and complications of one of four elective operations - hip and knee replacement, varicose vein surgery and groin hernia repair - are reported, and to describe the associations that have been reported between clinicians' and patients' reports.

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Validation of two activity monitors in patients with COPD

Daniel Langer, Rik Gosselink, Riany Sena, Chris Burtin, Marc Decramer, Thierry Troosters
Jul 2009

We validated two smaller activity monitors in a sample of 10 patients with COPD.

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Patella retention versus replacement in total knee arthroplasty; functional and clinimetric aspects

Wouter van Hemert, Rachel Senden, Bernd Grimm, Arnold D.M. Kester, Matthijs J.A. van der Linde, Ide C. Heyligers
Jun 2009

This study used two accelerometer based systems to study the hypothesis whether performance based tests are able to detect a difference in patients with or without a resurfaced patella.

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Athletic skill level is reflected in body sway: A test case for accelometry in combination with stochastic dynamics

Claudine J. C. Lamoth, Rob C. van Lummel, Peter J. Beek
Jun 2009

The aim of the present study was to determine – as spade work for possible clinical applications – whether body sway measured with a three-axial accelerometer at the trunk can differentiate between three healthy young populations that differ in athletic skill level.

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Estimating Activity-related Energy Expenditure Under Sedentary Conditions Using a Tri-axial Seismic Accelerometer

Vincent T. van Hees, Rob C. van Lummel, Klaas R. Westerterp
Jun 2009

The first aim of this study was to combine the type and the intensity of PA into one model for energy expenditure prediction. The second aim was to assess model validity under exclusively sedentary conditions.

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Concurrent validity of a trunk tri-axial accelerometer system for gait analysis in older adults

Antonia Hartmann, Susanna Luzi, Kurt Murer, Rob A. de Bie, Eling D. de Bruin
Apr 2009

The aim of this study was (1) to determine the concurrent validity of a trunk tri-axial accelerometer system (DynaPort®MiniMod) with the GAITRite® system for spatio-temporal gait parameters at preferred, slow and fast self-selected walking speed that were recorded for averaged and individual step data in an older adult population and (2) to compare the levels of agreement for averaged step data from different walking distances and individual step data.

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Changes in physical activity and health-related quality of life during the first year after total knee arthroplasty.

M. Brandes, M. Ringling, C. Winter, A. Hillmann, D. Rosenbaum
Mar 2009

Despite its impact on the overall outcome and health-related quality of life (HRQOL) after knee surgery, physical activity has not been investigated directly using accelerometry or step monitoring during the first year after total knee arthroplasty (TKA) due to osteoarthritis (OA). Therefore, the present study aimed to evaluate the development of physical activity over 12 months after surgery and its relationship to clinical outcome and HRQOL.

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Airflow obstruction and exercise

Christopher B. Cooper
Mar 2009

The primary abnormality in chronic obstructive pulmonary disease (COPD) is chronic airway inflammation which results in airflow limitation. Disease progression is usually depicted as an accelerated decline in FEV(1) over time.

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Functional outcome of knee arthroplasty is dependent upon the evaluation method employed

Wouter L.W. van Hemert, Will G.H. Meyers, Lucas L.A. Kleijn, Ide C. Heyligers, Bernd Grimm
Mar 2009

The aim of this study was to establish the functional differences and patient perceptions between unicompartmental knee replacement (UKR) and total knee replacement (TKR).

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Resurfacing or retaining the patella in total knee arthroplasty: a movement analysis study

W.L. van Hemert, B. Grimm, R.R. Senden, I.C. Heyligers
Feb 2009

This study used two accelerometer based motion analysis systems to study if functional tests are able to detect a difference in patients with or without a resurfaced patella.

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The effect of a foot gymnastic exercise programme on gait performance in older adults: A randomised controlled trial

Antonia Hartmann, Kurt Murer, Rob A. de Bie, Eling D. de Bruin
Jan 2009

This study investigated the effect of physical exercise combined with foot gymnastics on the gait performance in older adults.

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Reproducibility of a Triaxial Seismic Accelerometer (DynaPort)

Vincent T. van Hees, Sander Slootmaker, Gert de Groot, Willem van Mechelen, Rob C. van Lummel
Jan 2009

The purpose of the study was to examine the reproducibility of a triaxial seismic accelerometer under controlled conditions and real-life conditions.

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Objectief meten bewegen; State of the art

Sanne I. de Vries, Paul Schermers, Femke Gielis, Luuk H. Engbers
Nov 2008

Het huidige project heeft als einddoel om een in de (epidemiologische) praktijk toepasbare objectieve meetmethode te verkrijgen, die een zo breed mogelijk spectrum van bewegen kan meten.

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Heart Rate Variability and Disease Characteristics in Patients with COPD

Carlos Augusto Camillo, Fabio Pitta, Heloise V. Possani, Marcus V.R.A. Barbosa, Divina S.O. Marques, Vinicius Cavalheri, Vanessa S. Probst, Antonio F. Brunetto
Sep 2008

The aim of this study was to characterize HRV in patients with COPD and to verify the correlation of HRV measured during rest with disease severity and pulmonary, muscular, and functional impairment.

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Longitudinal and cross-sectional validity of the DynaPort KneeTest in adults with nontraumatic knee complaints in general practice

J.N. Belo, Sita Bierma-Zeinstra, Caroline B. Terwee, Edith M. Heintjes, Bart W. Koes
Jul 2008

The aim of the study was to determine the cross-sectional and longitudinal validity of a performance-based assessment of knee function, DynaPort KneeTest (DPKT), in first-time consulters with nontraumatic knee complaints in general practice.

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Physical Functioning Before and After Total Hip Arthroplasty: Perception and Performance

Inge van den Akker-Scheek, Wiebren Zijlstra, Johan W. Groothoff, Sjoerd Bulstra, Martin Stevens
Jul 2008

The aims of this study were: (1) to determine the relationship between self-report and performance-based measures of physical functioning before and after total hip arthroplasty, (2) to assess the influence of pain on the relationship, and (3) to determine whether the relationship changes over time.

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The step length – Frequency relationship in physically active community-dwelling older women

Agnes Zijlstra, Eling D. de Bruin, Nienke Bruins, Wiebren Zijlstra
Jul 2008

This study evaluated the step length-frequency relationship in physically active community-dwelling older women in order to investigate whether the relationship between these two spatio-temporal gait parameters changes with increasing age.

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Quantity versus quality of gait and quality of life in patients with osteoarthritis

Mirko Brandes, Ralph Schomaker, Gunnar Möllenhoff, Dieter Rosenbaum
Jul 2008

This study investigated the relationship between the quality of life, quality of gait and the quantity of gait in patients with impairments in the lower extremities.

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Life in slow motion: quantifying physical activity in COPD

Mike Morgan
Jun 2008

We therefore have to develop objective methods of quantifying daily activity that can be used to record therapeutic outcome.

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Physical activity levels after limb salvage surgery are not related to clinical scores—objective activity assessment in 22 patients after malignant bone tumor treatment with modular prostheses

Dieter Rosenbaum, Mirco Brandes, J. Hardes, G. Gosheger, Robert Rödl
Jun 2008

The aim of the present study was to objectively assess the physical activity levels of patients after tumor prosthesis implantation with two objective measurement devices.

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Detection of walking periods and number of steps in older adults and patients with Parkinson’s disease: accuracy of a pedometer and an accelerometry-based method

Baukje Dijkstra, Wiebren Zijlstra, Erik Scherder, Yvo Kamsma
May 2008

The aim of this study was to examine if walking periods and number of steps can accurately be detected by a single small body-fixed device in older adults and patients with Parkinson's disease (PD).

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Lower limb activity and its determinants in COPD

Paul P. Walker, Arthur Burnett, Paul Flavahan, Peter M.A. Calverley
May 2008

The relationship between lower limb activity and total daily activity is not known, nor are there any data which relate objectively assessed daily activity to laboratory assessments made before and after rehabilitation.

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A body-fixed-sensor based analysis of compensatory trunk movements during unconstrained walking.

A. Zijlstra, J.H. Goosen, C.C. Verheyen, W. Zijlstra
Jan 2008

This paper presents a body-fixed-sensor (BFS) based approach for quantifying compensatory trunk movements during unconstrained walking.

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Validity of DynaPort GaitMonitor for assessment of spatiotemporal parameters in amputee gait

Han Houdijk, Franka M. Appelman, Judith M. van Velzen, Lucas H. V. van der Woude, Coen A. M. van Bennekom
Jan 2008

In this study, the validity of the DynaPort GaitMonitor software (McRoberts, The Hague, The Netherlands) for assessing spatiotemporal parameters of amputee gait was evaluated.

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Activity Monitoring in Assessing Activities of Daily Living

Richard Casaburi
Oct 2007

Individuals who have active lifestyles appear to reap substantial benefits. It is therefore of interest to assess level of activity and to determine whether interventions are capable of altering activities of daily life.

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Functional improvement after unicompartmental knee replacement: a follow-up study with a performance based knee test

Lucas L.A. Kleijn, Wouter van Hemert, Will G.H. Meijers, Arnorld D.M. Kester, Lukas A. Lisowski, Bernd Grimm, Ide Christiaan Heyligers
Oct 2007

In a prospective study on 38 patients with a mean age of 62.2 years functional improvement was measured.

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Physical functioning before and after total hip arhtroplasty

Inge van den Akker-Scheek, Wiebren Zijlstra, Johan W. Groothoff, Sjoerd Bulstra, Martin Stevens
Jul 2007

The aims of this study were: (1) to determine the relationship between self-report and performance-based measures of physical functioning before and after total hip arthroplasty, (2) to assess the influence of pain on the relationship, and (3) to determine whether the relationship changes over time.

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Recovery of gait after short-stay total hip arthroplasty

Inge van den Akker-Scheek, Martin Stevens, Sjoerd Bulstra, Johan W. Groothoff, Jim Horn, Wiebren Zijlstra
Apr 2007

To describe recovery of gait after total hip arthroplasty (THA) based on the assessment of spatiotemporal gait parameters determined with an ambulatory system.

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The effects of mechanised equipment on physical load among road workers and floor layers in the construction industry

Alex Burdorf, J. Windhorst, A.J. van der Beek, Henk F. van der Molen, Paul Swuste
Feb 2007

This study describes the impact of the use of mechanised equipment on physical load and workers’ health among road workers and floor layers by comparing the traditional manual work method with frequently occurring scenarios of use of this new equipment.

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Effect of athletic skill on postural control during standing and walking: Sensitivity of trunk accelerometry

Rob C. van Lummel, Joost van der Zwet, Rienk van der Slikke, Michiel Krijger
Dec 2006

The aim of this study was to compare postural control during standing and walking for students with different athletic skills and to select the most sensitive signal analysis, sensor direction and test conditions for this comparison

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Accelerometry based assessment of gait parameters in children

Mirko Brandes, Wiebren Zijlstra, Sander Heikens, Rob van Lummel, Dieter Rosenbaum
Dec 2006

The objective of this study was to examine if spatio-temporal gait parameters in healthy children can be determined from accelerations measured at the lower trunk as has been demonstrated in adults, previously.

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Self-reported physical functioning was more influenced by pain than performance-based physical funtioning in knee-osteoarthritis patietns

Caroline B. Terwee, Rienk van der Slikke, Rob van Lummel, Rob J. Benink, Wil G.H. Meijers, Henrica de Vet
Aug 2006

To test the hypothesis that self-reported physical functioning is more influenced by pain than performance-based physical functioning.

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Performance-based methods for measuring the physical function of patients with osteoarthritis of the hip or knee: a systematic review of measurmetn properties

Caroline B. Terwee, Lidwine B. Mokkink, Martijn P.M. Steultjes, Joost Dekker
Aug 2006

To systematically review the measurement properties (i.e. internal consistency, reproducibility, validity, responsiveness and interpretability) of all performance-based methods which have been used to measure the physical function of patients with osteoarthritis of the hip or knee.

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Quantifying physical activity in daily life with questionnaires and motion sensors in COPD

Fabio Pitta, Thierry Troosters, Martijn A. Spruit, Vanessa S. Probst, Marc Decramer, Rik Gosselink
May 2006

The present article aims to compare and discuss the two kinds of instruments more commonly used to quantify the amount of physical activity performed by COPD patients in daily life: subjective methods (questionnaires, diaries) and motion sensors (electronic or mechanical methods).

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Physical Activity and Hospitalization for Exacerbation of COPD

Fabio Pitta, Thierry Troosters, Martijn A. Spruit, Vanessa S. Probst, Marc Decramer, Rik Gosselink
Apr 2006

We aimed to investigate physical activity using an activity monitor (DynaPort; McRoberts; the Hague, the Netherlands), pulmonary function, muscle force, 6-min walking distance, and arterial blood gas levels in 17 patients (mean age, 69 +/- 9 years [+/- SD]; body mass index, 24 +/- 5 kg/m(2)) at the beginning and end of a hospitalization period for an AE and 1 month after discharge.

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The accuracy of measuring the kinematics of rising from a chair with accelerometers and gyroscopes

Miranda C. Boonstra, Rienk M.A. van der Slikke, Noël L.W. Keijsers, Rob C.van Lummel, Maarten C. de Waal Malefijt, Nico Verdonschot
Feb 2006

The purpose of this study was to assess the accuracy of measuring angle and angular velocity of the upper body and upper leg during rising from a chair with accelerometers, using low-pass filtering of the accelerometer signal.

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Activity Monitoring for Assessment of Physical Activities in Daily Life in Patients With Chronic Obstructive Pulmonary Disease

Fabio Pitta, Thierry Troosters, Martijn A. Spruit, Marc Decramer, Rik Gosselink
Oct 2005

To investigate the degree of agreement between different methods of assessing physical activities in daily life in patients with chronic obstructive pulmonary disease (COPD): video recordings (criterion standard), the DynaPort Activity Monitor (DAM), and patient self-report.

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Construct validity of the DynaPort®KneeTest: a comparison with observations of physical therapists

Lidwine B. bokkink, Caroline B. Terwee, Rob C. van Lummel
Aug 2005

To assess the construct validity of the DynaPort®KneeTest (KneeTest), which is a performance-based test to assess functioning of patients with knee osteoarthritis (OA).

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Reproducibility and validity of the DynaPort KneeTest

Lidwine B. Mokkink, Caroline B. Terwee, Rienk van der Slikke, Rob van Lummel, Rob J. Benink, Lex Bouter, Henrica de Vet
Jul 2005

To determine the reproducibility and validity of the DynaPort KneeTest, a performance-based test that measures quality of movement of patients undergoing total knee replacement (TKR).

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Characteristics of Physical Activities in Daily Life in Chronic Obstructive Pulmonary Disease

Fabio Pitta, Thierry Troosters, Martijn A. Spruit, Vanessa S. Probst, Marc Decramer, Rik Gosselink
Jun 2005

Quantification of physical activities in daily life in patients with chronic obstructive pulmonary disease has increasing clinical interest. However, detailed comparison with healthy subjects is not available.

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Knee disorders in primary care: Design and patient selection of the HONEUR knee cohort

Edith M. Heintjes, Marjolein Y. Berger, Bart W. Koes, Sita Bierma-Zeinstra
Feb 2005

This paper describes the methods used for data collection, and discusses potential selectiveness of patient recruitment.

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Psychological distress, disturbed sleep and physical activity during the night in chronic low-back pain patients

Yvette Bulthuis, Miriam M. Vollenbroek-Hutten, Hermie J. Hermens, Lex Vendrig, Rob van Lummel
Oct 2004

This study investigates the relationship between psychological distress and disturbed sleep characteristics in patients with chronic low-back pain.

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The Groningen Orthopedic Exit Strategy (GOES): A home-based support program for total hip and knee arthroplasty patients after shortened hospital stay

Martin Stevens, Inge van den Akker-Scheek, Alette Spriensma, Natalie A.D. Boss, Ron L. Diercks, Jim Horn
Aug 2004

It is our hypothesis that patients who participate in such a support program will be able to resume activities of daily living more quickly and effectively, and will reach higher levels of physical activity compared to patients who only follow the shortened program.

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Exercise Therapy After Coronary Artery Bypass Graft Surgery: A Randomized Comparison of a High and Low Frequency Exercise Therapy Program

Inge D. van der Peijl, Thea P.M. Vliet Vlieland, Michel I.M. Versteegh, Judith J. Lok, Marten Munneke, Robert A. E. Dion
May 2004

The aim of this study was to compare the effectiveness of a low frequency (once daily, not in the weekend) program with a high frequency (twice daily, including the weekend) one and to assess whether the latter would yield sufficient benefit for the patient to justify higher costs in material and personnel (physiotherapists) after uncomplicated coronary artery bypass graft (CABG) surgery.

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Correlations between the step activity monitor and the DynaPort ADL-monitor

Mirko Brandes, Dieter Rosenbaum
Jan 2004

This study was performed to evaluate correlations between the DynaPort activity of daily living monitor and the step activity monitor.

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Online monitoring of dyskinesia in patients with Parkinson’s disease

N.L.W. Keijsers, M.W.I.M. Horstink, S.C.A.M. Gielen
Jul 2003

The authors describe the present state-of-the-art of online monitoring of motor behavior. They focus on modern monitoring equipment and on new analysis tools, which allow a quantitative detection and assessment of dyskinesias throughout the day, by an objective, unsupervised rating of dyskinesias using clinical rating scores.

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A correlation study of objective functionality and WOMAC in total knee arthroplasty

Erik Witvrouw, Jan Victor, Johan Bellemans, B. Rock, Rob van Lummel, Rienk van der Slikke, Rene Verdonk
Dec 2002

This retrospective multicenter study assessed the impact of objective variables on subjective self-reported functional outcome after TKA in 128 patients at a mean of 41 months after TKA.

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Assessment of activities of daily living with an ambulatory monitoring system: A comparative study in patients with chronic low back pain and nonsymptomatic controls

C.D. Spenkelink, Miriam M. Vollenbroek-Hutten, Hermie J. Hermens, B.O.L. Greitemann
Mar 2002

The aim of this study was twofold: (1) to investigate whether differences in activities of daily living exist between patients with chronic low back pain (CLBP) and nonsymptomatic controls; (2) to investigate the day-to-day variability in daily activities.

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Measuring functional abilities of patients with knee problems: rationale and construction of the DynaPort knee test

N. van den Dikkenberg, Onno G. Meijer, Rienk van der Slikke, Rob van Lummel, Jaap van Dieen, B. Pijls, R.J. Benink, P.I.J.M. Wuisman
Mar 2002

We present the rationale and design of the DynaPort knee test. The test aims at measuring knee patients' functional abilities in an unobtrusive, user-friendly way.

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Measuring physical activity in patients after surgery for a malignant tumour in the leg. The reliability and validity of a continuous ambulatory activity monitor

Matthijs van Dam, G.J. Kok, Marten Munneke, Frans J. Vogelaar, T.P.M Vliet Vlieland, Antoni H.M. Taminiau
Oct 2001

We examined the reliability and validity of this device in the assessment of seven aspects of function over a period of 24 hours in 20 patients who had undergone limb salvage or amputation for a tumour in the leg.

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Data logging technology in ambulatory medical instrumentation

Ross Anderson, Gearóid Ólaighin
Jun 2001

This paper reviews the advancements made in ambulatory data logging used in the study of human subjects since the inception of the analogue tape based data logger in the 1960s.

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The value of a continuous ambulatory activity monitor to quantify the amount and intensity of daily activity in patients with rheumatoid arthritis

Marten Munneke, Zuzana de Jong, Aeilko H. Zwinderman, Gerhardus J. Tijhuis, Johanna M.W. Hazes, Theodora P.M. Vliet Vlieland
May 2001

To examine the reliability, validity, and responsiveness of a continuous ambulatory activity monitor in patients with rheumatoid arthritis (RA). Forty-one patients with RA, participating in a randomized controlled trial examining the effect of an intensive exercise program, were assessed by means of the Dynaport ADL (activities of daily living) monitor (AM).

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Technical Note: Method for objective assessment of physical work load at the workplace

H.J. Busser, W.G. de Korte, E.B.C. Glerum, R.C. van Lummel
Oct 1998

This report presents a method for objective assessment of physical work load at the workplace.

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Ambulatory monitoring of physical activity in working situations, a validation study

M. Uiterwaal, E.B.C. Glerum, H.J. Busser, R.C. van Lummel
Jul 1998

In this study the reliability of the monitor in two working situations of one patient has been assessed: maintenance mechanic and messenger in a city hall.

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Ambulatory monitoring of children’s activity

H.J. Busser, J. Ott, Rob C. van Lummel, M. Uiterwaal, R. Blank
Jun 1997

This paper describes the Dynaport® ADL Monitor®, an accelerometry-based system for ambulatory monitoring of the activities of daily living (ADL).

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Detection of static and dynamic activities using uniaxial accelerometers

P.H. Veltink, Hans B.J. Bussmann, W. de Vries, Wim L.J. Martens, R.C. Van Lummel
Dec 1996

The feasibility of distinguishing several static and dynamic activities (standing, sitting, lying, walking, ascending stairs, descending stairs, cycling) using a small set of two or three uniaxial accelerometers mounted on the body was investigated.

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Ambulatory Monitoring of Mobility-Related Activities: the Initial Phase of the Development of an Activity Monitor

Johannes B. Bussmann, Peter H. Veltink, F. Koelma, Rob van Lummel, Henk Stam
Jan 1995

The aim of the first phase project is the development of auser- and patient-friendly instrument that enables distinguishing between a Set of selected mobility-related activities in areliable and valid manner.

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