Concept B: Upper Limb Muscles of the Shoulder

Of the muscles that move the glenohumeral joint, two have proximal attachments on the axial skeleton. Which ones?

A. Latissimus dorsi
B. Deltoid
C. Pectoralis major
D. Teres major
E. Coracobrachialis



Answer :

Final answer:

The pectoralis major and latissimus dorsi muscles have proximal attachments on the axial skeleton and move the glenohumeral joint.


Explanation:

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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