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Investigation of the performance of an ergonomic handrim as a pain-relieving intervention for manual wheelchair users

Koontz, AM and Yang, Y and Kanaly, J and Cooper, RA and Boninger, ML and Yang, Y and Boninger, DS and Dieruf, K and Ewer, L (2006) Investigation of the performance of an ergonomic handrim as a pain-relieving intervention for manual wheelchair users. Assistive Technology, 18 (2). 123 - 145. ISSN 1040-0435

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Abstract

Manual wheelchair users commonly experience pain in their hands and wrists associated with the repetitive stress of propulsion. The objective of this research was to examine the effect of an ergonomic wheelchair handrim as an intervention designed to reduce pain in the hands and wrists and improve functional outcomes for manual wheelchair users. Three studies were conducted to achieve this objective. In the first study 10 individuals with paraplegia underwent a biomechanical analysis before and after a 2-week practice period with a Natural-Fit (NF) prototype ergonomic handrim. The biomechanical results showed that grip moments were reduced with the NF handrim prototype as compared with the subjects' current handrim (p <.1). Other biomechanical findings were mixed. In the second study, 46 manual wheelchair users who replaced their standard handrim with the commercially available NF handrim completed a questionnaire of retrospective measures of symptom severity. Average duration of use of the NF was 6 months. When asked to compare propelling with the NF to propelling with their prior handrims, 85% of respondents reported less pain in their hands and 80% reported less pain in their wrists. The third study was a replication and extension of Study 2: 82 manual wheelchair users who replaced their standard handrim with the NF completed retrospective symptom severity and functional status scales after using the NF for an average of 9 months. Results again confirmed that using the NF led to a reduction in the severity of symptoms and to improved functional outcomes. © 2006 Taylor & Francis Group, LLC.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Koontz, AMakoontz@pitt.eduAKOONTZ
Yang, Y
Kanaly, J
Cooper, RARCOOPER@pitt.eduRCOOPER
Boninger, MLboninger@pitt.eduBONINGER
Yang, Y
Boninger, DS
Dieruf, K
Ewer, L
Centers: Other Centers, Institutes, or Units > Human Engineering Research Laboratories
Date: 30 September 2006
Date Type: Publication
Journal or Publication Title: Assistive Technology
Volume: 18
Number: 2
Page Range: 123 - 145
DOI or Unique Handle: 10.1080/10400435.2006.10131912
Schools and Programs: School of Health and Rehabilitation Sciences > Rehabilitation Science and Technology
Refereed: Yes
ISSN: 1040-0435
MeSH Headings: Activities of Daily Living; Adolescent; Adult; Aged; Biomechanics; Carpal Tunnel Syndrome--prevention & control; Equipment Design; Female; Hand; Human Engineering; Humans; Kinetics; Male; Middle Aged; Models, Theoretical; Pain--prevention & control; Wheelchairs
PubMed ID: 17236472
Date Deposited: 04 Oct 2012 14:04
Last Modified: 27 Apr 2019 14:55
URI: http://d-scholarship.pitt.edu/id/eprint/14828

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