pectoral region and axilla

deltoid innervation

axillary n

deltopectoral triangle boundaries

deltoid, pectoralis major, clavicle

pectoralis major origin

clavicle, sternum, coastal cartilage

pectoralis major insertion

intertubercular groove

pectoralis major action

flexes, extends, adducts, and medially rotates humerus

pectoralis major innervation

medial and lateral pectoral n

subclavius origin

rib 1

subclavius insertion

clavicle

subclavius action

depresses scapula

subclavius innervation

subclavian n

pectoralis minor origin

ribs 3-5

pectoralis minor insertion

coracoid process

pectoralis minor action

stabilizes scapula

pectoralis minor innervation

medial pectoral nerve

serratus anterior origin

ribs 1-8

serratus anterior insertion

deep surface medial border of scapula

serratus anterior action

protraction and rotation of scapula

serratus anterior innervation

long thoracic n