謝分享。但見過不少膝蓋過度磨損換關節的西人老人，遊泳最不傷膝蓋，騎自行車姿勢正確也不會太傷。

來源: 愛令於 2022-02-04 11:35:45 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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