Head Neck Lecture 16

Question 1

What are the borders of the suboccipital triangle?

Answer 1

d

Question 2

What are the specializations of the atlas and axis?

Answer 2

Atlas articulates with occipital condyles and axis

Axis has dens

Question 3

What are the ligaments of the vertebral column associated with the suboccipital triangle?

Answer 3

Alar ligaments**
Posterior atlantooccipital membrane
Ligamentum flavum
Posterior longitudinal ligament
Membrana tectoria
Cruciform ligament

Question 4

What are the muscles in the suboccipital triangle?

Answer 4

Obliquus capitis superior and inferior
Rectus capitits posterior major
Rectus capitis posterior minor

Question 5

What structures make up the floor and roof of suboccipital triangle?

Answer 5

Posterior atlanto-occipital membrane is the floor and the roof is the semispinalis capitis

Question 6

The function of obliquus capitis superior?

Answer 6

weak extensor of neck

Question 7

Function of obliquus capitis inferior?

Answer 7

Strong rotator of atlas

Question 8

Rectus capitis posterior major/minor function?

Answer 8

Extension of vertebral column

Question 9

Contents of suboccipital triangle?

Answer 9

Suboccipital nerve C1
Greater occipital nerve C2
Third occipital nerve C3
Vertebral artery

Question 10

Path of vertebral artery?

Answer 10

Transverse foramen