EFFECTS OF LONG-TERM TAICHI ON THE STABILITY OF THE ELDERLY DURING STAIR DESCENTS UNDER DIFFERENT ILLUMINATIONS

Abstract

This study investigates the effectiveness of Tai Chi on the stability of the elderly during stair descents under illumination of 3 lx and 300 lx. A total of 30 healthy elderly who are aged between 65 and 70 years old are recruited as subjects. Two force plates and eight Vicon cameras were used to collect data. The results indicated that Tai Chi exercise may increase the lower limb strength of the elderly, the stair descent strategies was influenced by Intensity of illumination, it may increase the risk of fall during stair descent under lower Intensity of illumination.