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.
正确的姿势对于预防背疼和背部受伤是非常重要的。
A proper posture is important to prevent back pain and injury.
足背皮瓣修复手掌及手背部的皮肤缺损 ，趾蹼皮瓣重建虎口。
The skin defect of hand at the palm and dorsal sides were repaired by the dorsalis pedis flap, and the first web by toe web space.
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