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.
前屈体式跳高是提高跳高成绩的一种新途径。
The forward bend posture is a new method to improve sportsmen s performance in the high jump.
本文分析了我国女子背越式跳高运动员的助跑节奏，并建立了我国女子背越式跳高运动员的助跑节奏模型。
Having analysed the run-ups of China's women high jumpers of the back style, the author of this paper has worked out model rhythms for controlling their training in approach runs.
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