過了 50，膝蓋得省著點兒用。跑步非常廢膝關節的。劃船機不錯：鍛煉全身 87%的肌肉關節，僅次於遊泳

來源: johniewalker 於 2024-08-23 13:57:41 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.