Joints of the Cervical Spine

Question 1

How much flexion is there?

Answer 1

70-80 degrees

Question 2

How much extension is there?

Answer 2

60 degrees

Question 3

How much lateral flexion is there?

Answer 3

20-45 degrees each side

Question 4

How much rotation is there?

Answer 4

70-90 degrees each side

Question 5

nodding,protraction and retraction

Answer 5

C0-C1

Question 6

flexion/extension of neck

Answer 6

C0-C1 20 degrees

C3-C9 80 degrees

Question 7

rotation of neck

Answer 7

C1-C2 15 degrees

C3-C7 70-90 degrees

Question 8

Atlanto occipital joint

Answer 8

synovial condyloid ellipsoid joint
between superior articular facet on atlas and the occiput
C0-C1

Question 9

Atlanto axial joint

Answer 9

median joint,
between odontoid peg C2 and facet on anterior arch of C1
C1-C2

Question 10

lower cervical spine

Answer 10

C3-C7

Question 11

upper cervical spine

Answer 11

C0-C2

Question 12

Functions of the spine

Answer 12

mobility
support brain and skull
protection of the spinal canal and neural structures
blood supply of certical artery

Question 13

Where does cervical lordosis mostly occur?

Answer 13

C1-C2
lose this with age and tends to become flattened
occiput-C7 lordosis is 40 degrees

Question 14

Atlanto axial joint (median A-A joint)

Answer 14

synovial pivot

convex rectangular facet on the fro of the 0 peg

Question 15

Atlanto axial joint (lateral A-A joint)

Answer 15

synovial plane joint
2 concave facets of the atlas articulate with the 2 convex facets of the axis
adds to flexion, extension, side flexion

Question 16

Atypical vertebrae

Answer 16

Atlas (c1)
Axis (C2)
vertical prominens (C7)

Question 17

C1

Answer 17

ring shaped 
2 lateral masses on TP
bicncave superior articular surface
vertebral canal, foreamen 
anterior arch, anterior facet for adontoid

Question 18

C2

Answer 18

odontoid peg-protection to keep C1 and C2 in line
first bony prominence 
2 lateral articular facets 
narrow lamina 
Bifid SP

Question 19

C7

Answer 19

short lamina

long SP

Question 20

Function of cervical region

Answer 20

supports and moves the head

transmits spinal cord and vertebral arteries between the head and neck