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蛙跳为什么被禁止

更新时间: 2020-11-03 00:00:00     

蛙跳被禁止是因为蛙跳很容易引起下髓骨(腓骨)的疲劳骨折,有时也会使膝关节半月板的软骨板破碎。发育期间的中学生做蛙跳,很容易引起胫骨、隆骨发育不良症。韧带把膝盖固定在胫骨的部位,在发育期间,这个部位是由软骨连接胫骨,随成长逐渐变为骨骼。蛙跳时膝盖完全弯曲跳跃,必须用韧带拉引骨骼的附着部,软骨不能正常发育为骨骼。

关键词: 为什么 禁止

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