过了 50，膝盖得省着点儿用。跑步非常废膝关节的。划船机不错：锻炼全身 87%的肌肉关节，仅次于游泳

来源: johniewalker 于 2024-08-23 13:57:41 [旧帖] [给我悄悄话] 本文已被阅读：次

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