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颈前引体向上和颈后引体向上的差别!谁更好?(2)
09:34 编辑:阿邦 来源:健身吧() 浏览:次
　　颈后：
　　把杠放在颈后, 不仅仅肩部活动不是自然的状态.且你的运动目标肌群也发生混乱, 因为若是放在颈后的话.你把身体拉起来的力量, 与背肌真正出力的方向是有夹角的.（也不是背阔肌发力的走向）
　　所以这个最终的向量必然要由背肌与胸大肌的部份合成！不了解请看下图
　　颈后有的人所谓的& 颈后& , 是在拉到最高点的时后&&把头往前弯下去，钻到单杠下面！&&,而身体并没有前倾, 若是如此, 就更显得没有必要!!!!
　　同样的颈后推举和颈后下拉也是一样的道理！肩关节被迫处于一个不自然的角度，并且带给颈椎不必要的压力！这也是为什么很多运动员常常发生损伤的原因之一~
　　颈后的引体向上对我来说觉得不可思议的！我自己实在不懂为什么有人喜欢练拉单杠用颈后的方式, ,完全违背人体被设计的活动模式！
&（注：关注吧微信公众平台，订阅号搜索 &&健身吧网&& 或 &&&&）
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