背部的上斜方肌和肩膀前侧的前三角肌上提手臂。

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

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三角肌（位于肩膀前侧）上提手臂。

The anterior deltoids over the front of the shoulder lift the arms.

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三角肌（位于肩膀前侧）上提手臂。

The anterior deltoids over the front of the shoulder lift the arms.

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