The upper trapezius in the back and the anterior deltoids at the front of the shoulders lift the arms.

背部的上斜方肌和肩膀前侧的前三角肌上提手臂。

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In contrast to D2 Flexion, the D2 Extension exercise with Thera-Band had the lowest levels of upper trapezius activation.

和D2屈曲做对比，赛乐阻力d2伸展练习对上束斜方肌的活化作用最小。

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It also had the most desirable ratio of upper to lower trapezius activation (0.9), meaning the lower trapezius was activated at a higher level than the upper trapezius.

它对上束斜方肌也有令人满意的激活比率，相对下束而言(0.9)，这意味着下束斜方被激活比上束斜方肌在一个更高的水平上。

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The impressive outing was big for New York, which placed left-hander Andy Pettitte on the disabled list before the game with a strained left trapezius muscle in his upper back.

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