# 你做的事情幾乎都是在身體前方進行,因此會導致自然的肌肉失衡:胸部、前肩、上臂前側的肌肉通常比肩胛骨之間、後肩和上臂後側的肌肉更強壯。因此肩膀會被拉向前,頭也垂向前——《疼痛、復健與肌力訓練全書》
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