Muscle OIA - body/other Flashcards
1
Q
Pectoralis Major
A
O: sternum, clavicle, ribs 1-6
I: greater tubercle (of humerus)
A: horizontal adduction, medially rotates, flexes, horizontally adducts and flexes arm
2
Q
pectoralis minor
A
O: ribs 3-5
I: coracoid process
A: protracts, depresses, downwardly rotates scapula
3
Q
subclavius
A
O: coastal cartilage of 1st rib
I: clavicle
A: stabilizes and depresses pectoral girdle
4
Q
serratus anterior
A
O: ribs 1-8
I: vertebral border of scapula
A: protracts and upwardly rotates scapula
