同意，因人而異。但是中年後肩部肌肉韌帶逐漸變弱，需要經常性地強化

來源: coach1960 於 2019-10-28 15:00:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.