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Fatigue testing of selected suspension manual wheelchairs using ANSI/RESNA standards

Kwarciak, AM and Cooper, RA and Ammer, WA and Fitzgerald, SG and Boninger, ML and Cooper, R (2005) Fatigue testing of selected suspension manual wheelchairs using ANSI/RESNA standards. Archives of Physical Medicine and Rehabilitation, 86 (1). 123 - 129. ISSN 0003-9993

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Objectives To evaluate the durability and value of 3 common suspension manual wheelchairs and to compare the results with those of previously tested lightweight and ultra-lightweight folding-frame wheelchairs. Design Standardized fatigue testing and cost analysis of 3 suspension manual wheelchairs from 3 different manufacturers. Setting A rehabilitation engineering center. Specimens Nine suspension manual wheelchairs. Interventions Wheelchairs were fitted with a standardized wheelchair test dummy and tested on a series of fatigue tests, consistent with those developed by the International Organization for Standardization. Main outcome measures Fatigue life (measured as the number of equivalent cycles completed) and value (equivalent cycles divided by cost) were compared among all wheelchairs. Results Analysis of variance revealed significant differences (P≤.05) in the number of equivalent cycles among the suspension wheelchairs tested. When compared with previously tested ultra-lightweight and lightweight wheelchairs, the suspension wheelchairs failed to show significant improvements; however, significant improvements were found between individual suspension and lightweight wheelchairs. Conclusions We found little evidence to suggest that suspension manual wheelchairs provide advantages in terms of durability or value over standard lightweight and ultra-lightweight folding-frame wheelchairs. © 2005 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Kwarciak, AM
Ammer, WA
Fitzgerald, SG
Boninger, MLboninger@pitt.eduBONINGER
Cooper, Rcooperrm@pitt.eduCOOPERRM
Centers: Other Centers, Institutes, Offices, or Units > Human Engineering Research Laboratories
Date: 1 January 2005
Date Type: Publication
Journal or Publication Title: Archives of Physical Medicine and Rehabilitation
Volume: 86
Number: 1
Page Range: 123 - 129
DOI or Unique Handle: 10.1016/j.apmr.2003.11.038
Schools and Programs: School of Health and Rehabilitation Sciences > Rehabilitation Science and Technology
Refereed: Yes
ISSN: 0003-9993
MeSH Headings: Equipment Design; Equipment Failure Analysis; Humans; Stress, Mechanical; Wheelchairs--economics; Wheelchairs--standards
PubMed ID: 15641002
Date Deposited: 15 Oct 2012 15:36
Last Modified: 05 Feb 2019 03:55


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