anterior axio-appendicular muscles Flashcards
(4 cards)
1
Q
serratus anterior
A
O: anterolateral surface of upper 8 or 9 ribs
I: medial border of scapula, costal aspect
A: scapular abduction/upward rotation of scapula/functionally controls winging
I: long thoracic
2
Q
subclavius
A
O: first rib
I: inferior surface of clavicle
A: depresses and stabilizes clavicle
I: nerve to subclavius
3
Q
pectoralis major
A
O: medial clavicle/sternum/ribs 2-6
I: intertubercular groove (lateral lip)
A: shoulder adduction/shoulder internal rotation/horizontal adduction/shoulder flexion
I: medial and lateral pectoral
4
Q
pectoralis minor
A
O: anterior surface of ribs 3-5 near cartilage
I: coracoid process
A: scapular depression/anterior tilt of scapular/scapular abduction
I: medial pectoral
