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Development of custom measurement system for biomechanical evaluation of independent wheelchair transfers

Koontz, AM and Lin, YS and Kankipati, P and Boninger, ML and Cooper, RA (2011) Development of custom measurement system for biomechanical evaluation of independent wheelchair transfers. Journal of Rehabilitation Research and Development, 48 (8). 1015 - 1028. ISSN 0748-7711

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This study describes a new custom measurement system designed to investigate the biomechanics of sitting-pivot wheelchair transfers and assesses the reliability of selected biomechanical variables. Variables assessed include horizontal and vertical reaction forces underneath both hands and three-dimensional trunk, shoulder, and elbow range of motion. We examined the reliability of these measures between 5 consecutivetransfer trials for 5 subjects with spinal cord injury and 12 nondisabled subjects while they performed a self-selected sitting pivot transfer from a wheelchair to a level bench. A majority of the biomechanical variables demonstrated moderate to excellentreliability (r > 0.6). The transfer measurement system recorded reliable and valid biomechanical data for future studies of sitting-pivot wheelchair transfers.We recommend a minimum of five transfer trials to obtain a reliable measure of transfer technique for future studies.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Koontz, AMakoontz@pitt.eduAKOONTZ
Lin, YS
Kankipati, Ppak33@pitt.eduPAK33
Boninger, MLboninger@pitt.eduBONINGER
Centers: Other Centers, Institutes, Offices, or Units > Human Engineering Research Laboratories
Date: 2 November 2011
Date Type: Publication
Journal or Publication Title: Journal of Rehabilitation Research and Development
Volume: 48
Number: 8
Page Range: 1015 - 1028
DOI or Unique Handle: 10.1682/jrrd.2010.09.0169
Schools and Programs: School of Health and Rehabilitation Sciences > Rehabilitation Science and Technology
Refereed: Yes
ISSN: 0748-7711
MeSH Headings: Activities of Daily Living; Adult; Biomechanics; Elbow--physiology; Hand--physiology; Humans; Imaging, Three-Dimensional; Middle Aged; Pressure; Range of Motion, Articular; Reproducibility of Results; Shoulder--physiology; Spinal Cord Injuries--physiopathology; Task Performance and Analysis; Torso--physiology; Wheelchairs; Young Adult
PubMed ID: 22068376
Date Deposited: 15 Oct 2012 14:11
Last Modified: 02 Feb 2019 16:56


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