自由泳向前推動力8-90%是靠手臂，腿打水主要是保持身體水平，減少阻力。產生同樣推動力，腿打水比用手臂能耗更大。

來源: 湖西於 2022-11-10 09:25:52 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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