Muscles that move the shoulder/arm

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7 Terms

1
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Pectoralis major

Action: Flexes, adducts, and medially rotates shoulder

Origin: clavicle, sternum, ribs

Insertion: Intertubercular sulcus of humerus

2
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Latissimus dorsi

Action: Adducts, extends and medially rotates shoulder

Insertion: Intertubercular sulcus of humerus

3
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Deltoid

Action: Abduct shoulder

Origin: Clavicle and spine of the scapula

Insertion: Deltoid tuberosity of the humerus

4
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Supraspinatus

Action: Abduction of the shoulder

Origin: Supraspinous fossa

Insertion: Greater tubercle of humerus

5
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Infraspinatus

Action: Laterally rotates the shoulder

Origin: Infraspinous fossa

Insertion: Greater tubercle of humerus

6
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Teres minor

Action: Laterally rotates the shoulder

Origin: Scapula

Insertion: Greater tubercle of humerus

7
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Subscapularis

Action: Medially rotates and adducts the shoulder

Origin: Subscapular fossa

Insertion: Lesser tubercle of the humerus