買幹嘛？雙腿分開兩手扣於背，上體下彎，輕慢引意於頸，要稍有墜意，腰椎放鬆而持續。起來時用肩背力拉或手扶。

來源: gtcharlie 於 2016-02-25 13:51:53 [舊帖] [給我悄悄話] 本文已被閱讀：次

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