Muscles of the Pectoral Region
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You are here: Home » Anatomy Notes » Muscles of the Pectoral Region
Pectoralis Major:
Action: Flex, adduct, medially rotate arm
Innervated: lateral and medial pectoral nerves
Attachments: Sternum, Ribs and Clavicle
Pectoralis Minor:
Action: Depression, Protraction of scapula
Innervation: lateral and medial pectoral nerves
Attachments: coracoid process of the scapula
Subclavius:
Action: depress the clavicle
Innervation: Nerve to the subclavius
Attachments: lower half of the clavicle
Main function: to protect the axial and subclavian veins from the bony fragments of the clavicle during a fracture
Category: Anatomy Notes
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