Journal of Rehabilitation Research & Development (JRRD)

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Mechanical efficiency of two commercial lever-propulsion mechanisms for manual wheelchair locomotion

Jordon Lui, BKin, et al.

Veterans with disabilities may rely on manual wheelchairs for mobility. However, conventional wheelchairs that use hand rims for propulsion tend to be energetically wasteful and inefficient. Alternative forms of propulsion that utilize push levers to engage the wheels may increase the efficiency of propulsion. We tested two commercially available lever-propulsion systems. While no difference in efficiency was found between the two lever-propulsion systems tested, both showed increased efficiency compared with hand rim propulsion, especially when slopes were encountered. This suggests that lever propulsion, in general, may be a viable alternative to conventional wheelchairs in order to increase the efficiency of manual wheelchair locomotion.
http://dx.doi.org/10.1682/JRRD.2013.02.0034

Volume 50 Number 8, 2013
   Pages 1047 — 1068


View HTML  ¦  View PDF  ¦  Contents Vol. 50, No.10
This article and any supplementary material should be cited as follows:
Lui J, MacGillivray MK, Sheel AW, Jeyasurya J, Sadeghi M, Sawatzky BJ. Mechanical efficiency of two commercial lever-propulsion for mechanisms for manual wheelchair locomotion. J Rehabil Res Dev. 2013;50(10):1363–72.
http://dx.doi.org/10.1682/JRRD.2013.02.0034

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