[請益] 請問有"鴨子走路"會傷膝蓋的證據嗎?
如題
今天在操場看到我同學在練 我說那樣會傷膝蓋 (膝蓋要承受很大的衝擊吧)
可是他不相信 他說那樣是在練大腿的肌肉
我有上網搜尋"鴨子走路"
但是卻反而找到很多人說練跳躍力要鴨子走路
請問有網站有相關的資訊嗎 我想給我同學看看 不想看他們摧殘自己
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小雞,我們要回宿舍了╮
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