TABLE OF MUSCLES OF PECTORAL REGION

MUSCLE ORIGIN INSERTION ACTION NERVE SUPPLY
pectoralis major medial half of clavicle
sternum
costal cartilages
aponeurosis of external oblique muscle
lateral lip of
intertubercular groove of humerus
flexes, adducts, and rotates arm medially medial and lateral pectoral nerves
brachial plexus
pectoralis minor anterior aspect of 2nd-5th ribs coracoid process of scapula protracts the scapula
pulls it forward and down
medial pectoral nerve
brachial plexus
subclavius junction of the 1st rib with
its costal cartilage
inferior surface of clavicle pulls clavicle towards the sternum nerve to subclavius
brachial plexus


Vessels & Nerves of Pectoral Region   Superficial Veins of Upper Limb


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