馬步樁是腿岔開比肩寬，別小看這點兒變化，著力點重心不同，Wall sit可比馬步樁難持久，

來源: jck66 於 2018-05-05 10:20:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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