本文对多轴膝上假肢在站立相的稳定性及向摆动相过渡的灵活性进行了探讨，提出了相对稳定性和稳定协调区的概念。

The concepts of stability, coordinate region and relative stability were presented, based on analyzing the stand stability of the A/K prosthesis.

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在对膝上假肢使用者健侧和残侧的步态进行检测的基础上，对健、残侧在步态周期内的地面反力、下肢运动和时相对称性进行了对比和分析，时相对称性差是膝上截肢者步态的主要问题。

Based on the data obtained from gait tests, the differences of ground reaction forces and the movements of lower limbs between the sound side and prosthetic side of above knee amputee were analyzed.

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