Two muscles, the infraspinatus and teres minor, connect the shoulder blade to the upper arm bone and roll the arms outward.

冈下肌和小圆肌这两块肌肉，将肩胛骨和上臂连接起来，使手臂外旋。

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At the hospital, the 74-year-old was diagnosed with a proximal humerus fracture -- the humerus being the upper bone of the arm.

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He was diagnosed with a proximal humerus fracture -- the humerus being the upper bone of the arm -- and as a result underwent what the Supreme Court said was reverse shoulder replacement surgery Saturday morning.

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The reason for the dose of caution is due to the skeleton being incomplete, with just one upper arm bone, and six vertebrae being recovered.

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