让你的目光了指引你吧，自然看着前方，不要看着你的脚，也不要来回扫视，这样只会让你脖子和背部紧张，要让头部和你的脖子、背保持一条线，不要向前伸下颚。
Look ahead naturally, not down at your feet, and scan the horizon. This will straighten your neck and back, and bring them into alignment.
最后，加强锻炼你的中背和腰背部，通过逆时针转动肩部来改进你的姿势。
Finally, strengthen your mid and upper back-and improve your posture-by doing reverse shrugs.
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.
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