Abstract
The objective of this study was to develop a safe and effective gait training system utilizing a controlled axial loading system. Gait with enhanced axial loading was achieved through custom made equipment. Normal subjects trained with this exercise effectively increased their isometric strength and endurance of the trunk musculature. EMG data analysis showed that muscular activation at L3 level was significantly amplified if an enhanced axial loading was produced by carrying a weight during waling. The biomechanical analysis showed that with an appropriate axial loading, lumbar muscle activation can be significantly intensified during walking while compressive force on spine disk is kept less than 5 times BW during the exercise. Using this system, the low back pain patients will be trained safely and effectively, because the consequences of axial loading and walking speed are easily controlled.
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