做平板，我感覺是從小腹開始的腹肌收緊然後向身體的上方推，人體自己內部肌肉做對抗，其實肩膀受力是被動的，不需要上肢太使勁

來源: 40er 於 2019-02-12 08:13:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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