若在电脑前超过4小时一定要看
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伸伸懒腰，松松骨，每小时都要做<br>
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推下推下推下，每小时推松手筋！<br>
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不想变硬颈，得转转转，两边转！<br>
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千万千万千万，每小时转转胳膊！<br>
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坐姿有讲究！ <br>
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拿鼠标有正确姿势哦！！！ <br>
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记住每小时转转脚松松筋 <br>
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记住每小时松松手拉拉筋 <br>
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记住每小时踢踢腿，拉拉筋<br>
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