Longissimus Thoracis Flashcards
1
Q
origin
A
thoracolumbar fascia,
accessory processes of lumbar vertebrae
2
Q
insertion
A
TPs T4-T12 and ribs 4-12
3
Q
innervation
A
dorsal rami T1-T12
4
Q
blood supply
A
posterior intercostal arteries and lumbar arteries
5
Q
actions
A
extension & lateral flexion of vertebral column