Suboccipital Triangle

Question 1

Rectus Capitis Posterior Major

Answer 1

O: Spinous Process of Axis
I: Inferior Nuchal Line
A: Posture, rotation, and extension of head
Inn: Dorsal Rami C1 (Suboccipital N)

Question 2

Rectus Capitis Posterior Minor

Answer 2

O: Posterior Atlas
I: Inferior Nuchal Line
A: Postural, extension of head
Inn: Dorsal Rami C1 (Suboccipital N)

Question 3

Obliquus Capitis Inferior

Answer 3

O: Spinous process of axis
I: Transverse process of atlas
A: postural, rotation of head
Inn: Dorsal Rami C1 (Suboccipital N)

Question 4

Obliquus Capitis Superior

Answer 4

O: Transverse process atlas
I: Inferior nuchal line
A: postural, extension of head, limits flexion
Inn: Dorsal Rami C1 (Suboccipital N)

Question 5

What what are the contents of the suboccipital triangle? What nerve is the Dorsal Rami of C1?

Answer 5

• Suboccipital N and Vertebral Artery

- Dorsal Rami C1 = Suboccipital N

Question 6

What muscle does the Greater Occipital N pierce?

Answer 6

Semispinalis Capitis