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extended abstract

Dynamics of a Manual Wheelchair and User During Propulsion

[version 1; peer review: 2 accepted]

28/02/2023| By
Kathylee Kathylee Pinnock Branford,
+ 3
Stephen M. Stephen M. Cain
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Abstract

Prior studies of overground manual wheelchair propulsion have utilized instrumented push rims, which measure triaxial forces and moments exerted by the hand on the push rim during the push phase of propulsion. However, instrumented push rims are heavy and are impractical for quantifying manual wheelchair dynamics during daily life. We aim to develop an approach to quantify external forces during wheelchair propulsion using wheelchair-mounted inertial sensors, which are small and lightweight. In this pilot study, we compared the acceleration of a wheelchair (from inertial sensors) to the acceleration of the system's center of mass (combined mass of the wheelchair and user from an instrumented treadmill) during manual propulsion. We found that the acceleration of the wheelchair alone was considerably different than the acceleration of the system's center of mass, suggesting that the acceleration of the upper extremities during propulsion impacts the dynamics of the wheelchair.

Submitted by28 Feb 2023
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  • License: CC BY
  • Review type: Open Review
  • Publication type: Extended Abstract
  • Conference: The Evolving Scholar - BMD 2023, 5th Edition
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