Muscles that Act on the Pectoral Girdle OIAs Flashcards
1
Q
trapezius
A
O:
I:
A: elevates, depresses, rotates, and retracts scapula
2
Q
rhomboid major
A
O: spinous process of upper thoracic vertebrae
I: vertebral border of scapula
A: rotates and retracts scapula
3
Q
rhomboid minor
A
O: spinous process of lower cervical and upper thoracic vertebrae
I: vertebral border of scapula
A: rotates and retracts scapula
4
Q
levator scapulae
A
O: transverse process of cervical vertebrae
I: vertebral border of scapula
A: elevates scapula
5
Q
pectoralis minor
A
O: anterior surface of upper-middle ribs
I: coracoid process of scapula
A: depresses, protracts, and rotates scapula
6
Q
serratus anterior
A
O: outer surface of ribs 1-9
I: entire length of vertebral border of scapula
A: protracts and rotates scapula
