X. Suboccipital Musculature

Question 1

What muscles are included in the suboccipital muscle group?

Answer 1

rectus capitis posterior major, rectus capitis posterior minor, obliquus capitis inferior, and obliquus capitis superior

Question 2

Which suboccipital muscle lacks an attachment to the skull?

Answer 2

obliquus capitis inferior

Question 3

Which nerve will innervate all suboccipital muscles?

Answer 3

the dorsal ramus of C1, the suboccipital nerve

Question 4

What is the origin of the obliquus capitis inferior?

Answer 4

C2 spinous process and lamina

Question 5

An increase in the density of muscle spindles is most apparent in which suboccipital muscle?

Answer 5

obliquus capitis inferior

Question 6

Suboccipital muscle feedback relays to what additional locations in the brain?

Answer 6

extraocular nuclei of origin, primary visual cortex and vestibular nuclei

Question 7

What is the result of communication between suboccipital muscles, visual centers and vestibular centers?

Answer 7

coordination of head and eye postition

Question 8

What is the proposed function of the suboccipital muscle group?

Answer 8

postural stabilizers of the atlanto-occipital and atlanto-axial joints

Question 9

Which suboccipital muscles are known to attach to dura mater?

Answer 9

rectus capitis posterior major, rectus captitis posterior minor & obliquus capitis inferior