5/24 suboccipital muscles Flashcards
1
Q
obliquus capitis inferior
A
O
-SP C2
IS
-C1
I
-C1 pr= suboccipital nerve
A
- bilaterally extends head
- unilaterally, rotates head to same side
2
Q
obliquus capitis superior
A
O
-TP C1
IS
- btw sup and inferior nuchal line
- above rcpm
I
-C1
A
- bilaterally extend head
- unilaterally tilts head to same side, rotates opposite side
3
Q
rectus capitis posterior major
A
O
-SP C2
IS
-lateral half of inferior nuchal line
I
-suboccipital nerve
Action
- bilaterally extend head
- unilaterally rotate head to same side
4
Q
rectus capitis posterioor minor
A
O
-TP C2
IS
- medial third of infeior nuchal line
I
-suboccipital nerve
A
- same as rectus capitis posterior major