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Publications

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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
Mar 2016

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

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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, 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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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 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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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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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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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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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 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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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

Kim van Schooten, Sietse M. Rispens, Petra J.M. Elders, Jaap van Dieen, Mirjam Pijnappels
Feb 2014

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

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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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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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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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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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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ACCELEROMETER BASED GAIT ANALYSIS

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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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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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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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 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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