Semmispinalis cervicis origin
TP of T1 -T5 / T6
Semispinalis cervicis insertion
SP of C2 - C5
Semispinalis cervicis action
Bilateral
- extension of vertebral column
Unilateral
- Contra rotation of vertebral column
*carry propception fiber
Semispinalis cervicis blood supply
Occipital a.
Deep cervical branch of costocervical trunk
Semispinalis cervicis innervation
Medial branches of dorsal rami (c6 -C8)
What is deep to Semispinalis captis
Semispinalis cervicis