The pectoralis major and latissimus dorsi muscles have proximal attachments on the axial skeleton and move the glenohumeral joint.
The two muscles that have proximal attachments on the axial skeleton and move the glenohumeral joint are the pectoralis major and the latissimus dorsi. These muscles play a crucial role in stabilizing and moving the upper limb by originating on the axial skeleton and inserting on the humerus, allowing for various arm movements.
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