结论：跳高运动员膝关节肌群等速测试结果的差异是造成一、二级跳高运动员成绩差异的原因之一。
The differences of Isokinetic test results of knee muscle groups is the reason made different levels of elite or sub-elite high jumpers.
过度伸展的膝关节韧带和肌腱通常也伴随着相邻肌群的变化，比如小腿深层的比目鱼肌。
The overstretched knee ligaments and tendons are also usually accompanied by changes in adjacent muscle groups, including the soleus muscle, which is deep in the calf.
分析比较不同级别男子跳高运动员膝关节屈伸肌群离心收缩时峰力矩特点及差异。
The peak torque strength characteristics of eccentric of knee muscles of different levels of high jumpers was analyzed, using the German ISOMED2000 Isokinetic test device.
双侧膝关节屈伸肌群达峰力矩的时间（TPT）随测试速度的增加而减小，同一测试速度下伸肌达峰力矩的时间大于屈肌；
The time to peak torque(TPT) of junior athletes reduced with the test speed increasing and the time of extensors TPT are longer than flexors;
双侧膝关节屈伸肌群达峰力矩的时间（TPT）随测试速度的增加而减小，同一测试速度下伸肌达峰力矩的时间大于屈肌；
The time to peak torque(TPT) of junior athletes reduced with the test speed increasing and the time of extensors TPT are longer than flexors;
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