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Shoulder Muscles
Stack #64441
Muscle | Attachment | Innervation | Main Action(s) |
---|---|---|---|
Deltoid Muscle | Spine of scapula, Acromion of scaupla, Lateral 1/3 of clavicle, Deltoid tuberosity of humerus | Axillary Nerve | Abducts humerus |
Supraspinatus Muscle | Supraspinous fossa of scapula, Greater tubercle of humerus | Suprascapular Nerve | Abducts humerus |
Infraspinatus Muscle | Infraspinous fossa of scapula, greater tubercle fo humerus | Suprascapular Nerve | Laterally rotates humerus |
Teres Minor Muscle | Lateral border of scapula, Greater tubercle of humerus | Axillary Nerve | Laterally rotates humerus |
Teres Major Muscle | Inferior angle of scapula, Intertubercular sulcus of humerus | Lower Subscapular Nerve | Adducts and medially rotates humerus |
Subscapularis | Subscapular fossa of scapula, Lesser tubercle of humerus | Upper and Lower Subscapular Nerve | Medially rotates humerus |