要點是上肢和大腿垂直地麵，膝蓋離地一寸，身體平行地麵，hip不要翹起來。

來源: adimple 於 2024-06-30 22:16:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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