In order to investigate the bio-mechanical efficiency of joint-musclesystems,the efficiency of the muscle biceps brachii and elbow joint under different condi-tions were observed.

• 本文提出了关节-肌肉系统“生物-力学”效率的概念,给出了测定和计算方法,以上臂肱二头肌和肘关节为主要对象,用6名被试者进行了实验研究。