Semispinalis Thoracis Flashcards
1
Q
origin
A
TPs T7-T12
2
Q
insertion
A
SPs upper TV and lower CV
3
Q
innervation
A
dorsal rami T1-T6
4
Q
blood supply
A
posterior intercostal arteries
5
Q
actions
A
- bilaterally extends vertebral column
- unilaterally rotates vertebral column to opposite side