By making a theoretical analysis of knee joint in the movement of taking off in martial arts, and of the participating muscle complex from the aspects of anatomy and biomechanics as well, the paper expounds the way of improving spring in martial arts.

• 摘要对武术跳跃动作起跳时膝关节的角度进行理论分析，对起跳时作用肌群进行运动解剖学和运动生物力学分析，从而阐明了知何提高武术运动中的弹跳力。