中斜方肌和菱形肌将肩胛骨向脊柱的方向拉，使胸廓前侧打开。

The middle trapezius and rhomboids draw the shoulder blades toward the spine, opening the front of the chest.

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中斜方肌和菱形肌将肩胛骨向脊柱的方向拉，使胸廓前侧打开。

The middle trapezius and rhomboids draw the shoulder blades toward the spine, opening the front of the chest.

youdao