仰臥起坐和伏地挺身的問題 - 伏地挺身
By Harry
at 2011-05-26T00:00
at 2011-05-26T00:00
Table of Contents
我現在是國二下女生請問仰臥起坐的正確姿勢是什麼?我上網查過了!有人說做仰臥起坐的時候不可以有同伴在押腳或腳踝!可是我們學校在考屈膝仰臥起坐的時候都是兩兩一組一人押腳的呀!??一天做幾下合適呢?那伏地挺身坐起來覺得有點吃力!這樣會對脊椎不好嗎?還是可以矯正姿勢呢??我做伏地挺身一天��
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By Ula
at 2011-05-26T05:35
at 2011-05-26T05:35
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at 2011-05-27T03:13
at 2011-05-27T03:13
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at 2011-05-30T01:30
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