Pectoral Region Muscles

Question 0

Pectoralis Minor

Answer 0

PA: Ribs 3-5
DA: Coracoid process of scapula
A: stabilize scapula, project upper limb forward while reaching
N: medial pectoral nerve

Question 1

Pectoralis Major

Answer 1

PA: clavicle and sternum
DA: lateral lip of intertubercular sulcus
A: ADduct and medial rotation of humerous
N: lateral and medial pectoral nerve

Question 2

Subclavius

Answer 2

PA: Rib 1
DA: Inferior surface of clavicle
A: Stabilize, depress clavicle
N: Nerve to subclavius

Question 3

Serratus Anterior

Answer 3

PA: ribs 1-8
DA: medial border of scapula
A: protraction and upward rotation of scapula
N: long thoracic nerve