The knee extensors being much stronger than the flexors is one of the characters of the human skeletal muscles.

伸膝肌远较屈膝肌强大是人类骨骼肌的特征之一。

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Method: With self control group, the parameters of knee extensors and flexors were isokinetically recorded on 14 unilateral knee osteoarthritic patients who suffered within 1 month.

方法：14例发病1个月内的单侧膝关节骨关节炎患者的等速肌力参数的自身对照研究。

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