Muscles of Deep Back Flashcards
1
Q
splenius capitis innervation?
A
posterior rami
2
Q
splenius capitis action?
A
- *acting unilaterally: lateral flexion and a lil rotation
* *acting together: extend
3
Q
splenius cervicis innervation?
A
posterior rami
4
Q
splenius cervicis action?
A
acting unilaterally: lateral flexion and a lil rotation
acting together: extend
5
Q
erector spinae innervation?
A
posterior rami
6
Q
erector spinae action?
A
primary extension of back
7
Q
transversospinalis innervation?
A
posterior rami
8
Q
transversospinalis action?
A
1) fine tuning of movement
2) help stabilize the vertebral column
3) proprioception (awareness of how the spinal chord is situated)
9
Q
All deep back muscles are innervated by?
A
Dorsal Rami
10
Q
List the 4 deep back muscleswe have to know?
A
1) transversospinalis
2) erector spinae
3) splenius capitis
4) splenius cervicis
