Analysis of Gait Changes Caused by Simulated Left Knee Disorder

ABSTRACT In this paper, we analyze the gait changes by simulating left knee disorders in subjects. Our aim is a method that estimates the presence or the absence of leg disorders and the disordered parts from the image sequences of a subject's walking. However, gait can be changed not only by physical disorders but also such factors as neural disorders or aging. Thus we simulate the physical disorders using a knee brace. Healthy subjects wore knee braces. We compared the normal and simulated disordered walking (while wearing the knee brace) to analyze what changes occur in their gait due to physical disorders. We also analyzed whether the changes are common to all subjects. Analysis results show that the changes common to all subjects are caused by the simulated left knee disorders.