Pecs Flashcards
Pectoralis major Action
Flex, medially rotate, and adduct humerus
Pectoralis minor Action
Depress glenoid cavity
Trapezius Action
Extend and abduct head, rotate and adduct scapula, fix scapula
Latissimus dorsi Action
`Extend, medially rotate, and adduct humerus, draw shoulder inferiorly
Rhomboid major Action
Adduct scapula
Rhomboid minor Action
Adduct scapula
Pectoralis major Attachments
Clavicle, sternum, cartilages of ribs 1-7; Crest of greater tubercle of humerus
Pectoralis minor Attachments
Ribs 3-5; Coracoid process of scapula
Trapezius Attachments
Posterior occipital bone, nuchal ligament, verbetrae C7-T4; Clavicle, acromion, and spine of scapula
Pectoralis major Nerves
Medial and lateral pectoral nerves
Pectoralis minor Nerves
Medial and lateral pectoral nerves
Trapezius Nerves
Accessory nerve (XI)
Latissimus dorsi Nerves
Thoracodorsal nerve
Rhomboid major Nerves
Dorsal scapular nerve
Rhomboid minor Nerves
Dorsal scapular nerve