18. Suboccipital Muscles

Question 1

Identify 1 - 3

Answer 1

1. Rectus capitis posterior minor m.
2. Rectus capitis posterior major m.
3. Obliquus capitis superior m.

Question 2

Identify 4

Answer 2

4. Suboccipital n.

Question 3

Identify 5

Answer 3

5. Posterior arch of atlas

Question 4

Identify 6

Answer 4

6. Obliquus capitis inferior m.

Question 5

Identify 1. O & I

Answer 5

Obliquus capitis superior

O: Transverse process of atlas
I: Occipital bone

Question 6

Identify 1. Actions

Answer 6

Obliquus capitis superior

Actons:
Extends head
Lateral flexion of head

Question 7

Identify 2. O & I

Answer 7

Obliquus capitis inferior

O: Spinous process of axis
I: Transverse process of atlas

Question 8

Identify 2. Actions

Answer 8

Rotates head to ipsilateral side

Question 9

Identify 3. O & I

Answer 9

Rectus capitis posterior major

O: Spinous process of axis
I: Inferior nuchal line (lateral portion) of occipital bone

Question 10

Identify 3. Actions

Answer 10

Extends head

Rotates head to ipsilateral side

Question 11

Identify 3. O & I

Answer 11

Rectus capitis posterior minor

O: Posterior arch of atlas
I: Inferior nuchal line (medial portion) of occipital bone

Question 12

Identify 3. Action

Answer 12

Rectus capitis posterior minor

A: Extends head

Question 13

Suboccipital Muscles are innervated by ___

Answer 13

Suboccipital n. (dorsal rami of C1)