Spinalis Thoracis Flashcards
1
Q
origin
A
blends with longissimus thoracis and arises from SPs of T11-L2
2
Q
insertion
A
SPs upper 4-8 TV
3
Q
innervation
A
dorsal rami T1-T12
4
Q
blood supply
A
posterior intercostal arteries
5
Q
actions
A
extension & lateral flexion of vertebral column