曾經看過一篇文章，說腰是人類直立行走的進化過程的一個失敗點。彎腰做事和大吊車吊東西的效果是一樣的，要盡量避免。

來源: 老九不能走於 2025-04-26 10:05:21 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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