An Instrumented Wheel for Kinetic Analysis of Wheelchair Propulsion

Author:

Wu H.-W.1,Berglund L. J.2,Su F.-C.1,Yu B.2,Westreich A.2,Kim K.-J.2,An K.-N.2

Affiliation:

1. Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan

2. Orthopedic Biomechanics Laboratory, Mayo Clinic, Rochester, MN 55905

Abstract

An instrumented wheel system for three-dimensional kinetic analysis of upper extremity during wheelchair propulsion has been designed and validated. This system allows the direct measurements of three-dimensional dynamic forces and moments on the handrim during wheelchair propulsion in a laboratory setting as well as in the field. Static loading tests showed a high linearity and little drift (coefficient of determination, r2 > 0.999). Under dynamic loading, the instrumented wheel provided the well-matched measurement forces and moments with the predicted values from the inverse dynamic method using video-based kinematic data (correlation coefficient, ρ > 0.97). The three-dimensional handrim forces and moments during wheelchair propulsion by a non-disabled subject were demonstrated.

Publisher

ASME International

Subject

Physiology (medical),Biomedical Engineering

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