我說的不正宗，但可能健身房的leg extention對膝蓋有幫助。我覺得是這樣。也查過有健身教練這樣說。

來源: 兩小千金媽媽於 2014-03-24 09:19:35 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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