Energy expenditure, and comfort in a modified wheelchair for people with hemiplegia: a controlled trial

Mandy, A., Lesley, S. and Lucas, K. (2007) Energy expenditure, and comfort in a modified wheelchair for people with hemiplegia: a controlled trial Disability and Rehabilitation: Assistive Technology, 2 (5). 255 -260. ISSN 1748-3115

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Abstract

Abstract Aim. The aim of this pilot study using non-disabled subjects was to measure energy expenditure, hand position and ride comfort, in a standard dual handrim Sunrise Breezy Wheelchair compared to one modified with a novel ergonomic self propelled steering (ESP) mechanism kit. The clinical reasoning underpinning the engineering design of the ESP kit was to develop a more ergonomically efficient mechanism for wheelchair steering and propulsion for individuals who had sustained cerebral vascular accidents. Methods. Ten non-disabled males participated in a repeated measures trial by driving two manual wheelchairs - a standard manual dual handrim wheelchair and one fitted with the steering conversion kit. Wheelchairs were randomly assigned, to participants who drove each wheelchair around a designated circuit. Oxygen consumption, carbon dioxide and heart rate were measured as indicators of ergonomic efficiency using a Cosmed analyser. Comfort for each wheelchair was measured using a validated questionnaire. Results. Heart rate (bpm), oxygen consumption (O2 ml/min) and exhaled carbon dioxide (CO2 ml/min) were significantly lower in the modified wheelchair (P < 0.001, P < 0.006 and P < 0.014, respectively). All comfort ratings were reported to be significantly greater in the ESP (P < 0.05). Conclusions. The ESP conversion kit transforms a standard Sunrise Breezy Wheelchair into one that is ergonomically more efficient and comfortable for non-disabled subjects.

Item Type: Journal article
Uncontrolled Keywords: Assistive technology; ergonomic efficiency; ride comfort
Subjects: B000 Health Professions > B600 Health Research
DOI (a stable link to the resource): 10.1080/17483100701343624
Faculties: Faculty of Health and Social Sciences > School of Health Professions
Depositing User: editor health
Date Deposited: 20 Jan 2009
Last Modified: 23 Oct 2014 10:59
URI: http://eprints.brighton.ac.uk/id/eprint/2530

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