Exam II Lecture V

Question 1

Atlas articulations

Answer 1

Posterior tubercle
Posterior/anterior acrches
Transverse process
Lateral masses- articulation with occipital condyles and axis

Question 2

Axis articulations

Answer 2

Dens
Spinous process
Transverse processes

Question 3

Ligaments of vertebral column

Answer 3

Anterior/posterior longitudinal ligaments
Ligamentum flavum
Ligamentum nuchae:
–Supraspinous/interspinous ligaments

Question 4

Synovial joint locations (3 joints)

Answer 4

Between dens and anterior arch of atlas
Between lateral masses of atlas and axis (x2)
no intervertebral disc

Question 5

Ligaments of cervical/craniovertebral joints

Answer 5

Apical ligament
Alar ligament
Cruciate ligament
Tectorial membrane

Question 6

Suboccipital triangle muscles

Answer 6

Obliquus capitis superior/inferior

Rectus capitis posterior major/minor

Question 7

Obliquus capitus superior function

Answer 7

Weak extensor of neck

Question 8

Obliquus capitis inferior function

Answer 8

Strong rotator of atlas

Question 9

Rectus capitis posterior major and minor function

Answer 9

Extension of vertebral column for both

Question 10

Floor and roof of suboccipital triangle

Answer 10

Floor- posterior atlanto-occipital membrane

Roof-Semispinalis capitis muscle

Question 11

Contents of suboccipital triangle

Answer 11

Suboccipital nerve- motor to muscles of triangle
Greater occipital nerve-sensory back of skull
Third occipital nerve
Vertebral artery