本文是笔者《体操教学、训练中动作错误的识别与纠正》总研究题目的前半部分。
The present article is the first-half part of the author's general research subject entitled Discernment and Correctness of Erroneous Movements in the Gymnastic Teaching and Training.
结果显示：准备活动不充分，技术动作错误，场地设备不良和恶意犯规是造成损伤的主要原因。
The result shows that the insufficient of warm-up exercises, poor skills, poor play-grounds and serious fouls are the main reasons.
结论：体操运动训练的持续性、技术动作错误以及周围环境因素均是股骨头缺血性坏死伤病损发生的主要影响因素。
CONCLUSION: Durative of gymnastic movement, error of technical action and environmental factor are the main effect on the occurrence of avascular necrosis of the femoral head.
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