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Proceedings 2018, 2(6), 259; https://doi.org/10.3390/proceedings2060259

Evaluation of a Competition Wheelchair Based on Estimation of Muscle Activity for Forward Linear Operation by Using Inverse Dynamics Analysis

1
Graduate School of Engineering, Kogakuin University, 1-24-2 Nishi-shinjuku, Shinjuku-ku,Tokyo 163-8677, Japan
2
Department of Mechanical Engineering, Kogakuin University, 1-24-2 Nishi-shinjuku, Shinjuku-ku,Tokyo 163-8677, Japan
Presented at the 12th Conference of the International Sports Engineering Association, Brisbane, Queensland, Australia, 26–29 March 2018.
*
Author to whom correspondence should be addressed.
Published: 23 February 2018
Download PDF [856 KB, uploaded 23 March 2018]

Abstract

The objective of this study was to evaluate an optimum structure for a rugby wheelchair by estimating the muscle force during forward linear operation of the wheelchair using an inverse dynamics analysis. The simulation model was represented by restraining the contact area between the frame and seat of the wheelchair and the body model. Three body model variations were constructed with different degrees of disability. Wheelchair models were also constructed by varying the range of camber angle, wheel diameter and axle positions, respectively. The effects of the design parameters for the wheelchair on the muscle force were investigated. As a result, the axle position had the strongest effect on the muscle force of the upper limbs, and it is effective to lower the axle position for reducing the muscle force required. This implies that the adjustment of the axle position leads to a reduction in risk of injury occurrence.
Keywords: inverse dynamics; muscles; musculoskeletal models; wheelchair rugby; disability sport inverse dynamics; muscles; musculoskeletal models; wheelchair rugby; disability sport
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Kobayashi, Y.; Tanaka, K. Evaluation of a Competition Wheelchair Based on Estimation of Muscle Activity for Forward Linear Operation by Using Inverse Dynamics Analysis. Proceedings 2018, 2, 259.

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