Suboccipital Region

Question 1

Which muscles are in this region?

Answer 1

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

Question 2

What is the origin for rectus capitis posterior major?

Answer 2

Spinous process of C2

Question 3

What is the insertion for rectus capitis posterior major?

Answer 3

Lateral portion of inferior nuchal line

Question 4

What is the action of rectus capitis major and minor?

Answer 4

Extend head

Rotate face toward (major only)

Question 5

What are the muscles in the suboccipital region innervated by?

Answer 5

Suboccipital nerve

Question 6

What is the origin for rectus capitis posterior minor?

Answer 6

Posterior tubercle C1

Question 7

What is the insertion for rectus capitis posterior minor?

Answer 7

Below inferior nuchal line

Question 8

What is the origin of the obliquus capitis inferior?

Answer 8

Spinous process C2

Question 9

What is the insertion for obliquus capitis inferior?

Answer 9

TP C1

Question 10

What is the action of obliquus capitis inferior?

Answer 10

Rotate face toward

Question 11

What is the origin for obliquus capitis superior?

Answer 11

TP C1

Question 12

What is the insertion for obliquus capitis superior?

Answer 12

Between superior and inferior nuchal lines

Question 13

What is the action of obliquus capitis superior?

Answer 13

Extend and laterally flex the head

Question 14

What is the medial border of the suboccipital triangle?

Answer 14

Rectus capitis posterior major

Question 15

What is the inferior border of the suboccipital triangle

Answer 15

Obliquus capitis inferior

Question 16

What is the lateral border of the suboccipital triangle

Answer 16

Obliquus capitis superior

Question 17

What are the contents of the suboccipital triangle?

Answer 17

Vertebral artery traveling through the floor of the triangle and the suboccipital nerve