pectoral muscles
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pectoralis major: action
flexes shoulder, medially rotates shoulder, and adducts shoulder
pectoralis major: insertion
intertubercular groove of humerus
pectoralis major: nerve supply
medial and lateral pectoral *
pectoralis minor: origin
ribs 3-5
pectoralis minor: action
depresses scapula, elevates ribs
pectoralis major: origin
clavicle, sternum, costal cartilage of ribs 1-6
pectoralis minor: insertion
coracoid process of scapula
pectoralis minor: nerve supply
medial pectoral *
