方法以背阔肌为背部肌电活性状况的代表区域，测量其体表肌电图的积分值作为评估的生理指标。
Methods Patients' back broadest muscle as the representative field of back's myoelectric activity, the integral of its surface electromyogram was measured to be the physiological index.
跳远起跳过程中，同一肌肉在缓冲期的表面积分肌电值大于蹬伸期的表面积分肌电值。
Long Jump during the same period in the buffer surface of muscle IEMG value is greater than kicking IEMG values of the surface.
跳远起跳过程中，同一肌肉在缓冲期的表面积分肌电值大于蹬伸期的表面积分肌电值。
Long Jump during the same period in the buffer surface of muscle IEMG value is greater than kicking IEMG values of the surface.
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