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利用Ｋｉｎ－Ｃｏｍ等速测力仪对１０８名膝关节损伤的男性患者健、患膝关节伸、屈肌群向心性收缩的平均力短、峰力矩及单位体重下的修正值进行比较研究。实验表明，受伤膝关节的伸肌群与正常膝关节相比在平均力矩和峰力矩方面均有明显下降;;而屈肌群的下降并不明显。伸肌群产生最大力量的角度大约在６０度左右，屈肌群产生最大力量的角度大约为２０度左右。患者正常侧膝关节Ｈ／Ｑ平均值在８０％左右，伤侧Ｈ／Ｑ平均值高达９０％以上。实验所得平均力矩修正值和峰力矩修正值相对于一般人群膝关节损伤患者具有重要的参考价值。受伤膝关节伸肌群的平均力矩和峰力矩，与对侧正常膝关节相比，低于１０％以上，可以作为膝关节损伤诊断和康复评定的有意义指标之一。
Kin-Com is used to compare the average shortening force, peak moment and unit body weight of 108 male patients with knee joint injury, knee extension and flexor group. Experiments show that the injured knee extensor group compared with the normal knee in the average torque and peak torque decreased significantly ;; flexor group decline is not obvious. The maximum strength of the extensor group is about 60 degrees, and the maximum strength of the flexor group is about 20 degrees. The mean H / Q of normal knee joint was about 80% and the average H / Q of injured side was over 90%. Experimental average torque correction and peak torque correction relative to the general population of patients with knee injury has an important reference value. The mean torque and peak torque of injured knee extensors group, which is less than 10% compared with the normal knee on the contralateral side, can be used as one of the meaningful indexes for the diagnosis and rehabilitation evaluation of knee joint injuries.