Biomechanics of the Cervical Spine

Question 1

More muscles associated with this region of the spine than any other.

Answer 1

cervical

Question 2

What is the most mobile region of the vertebral column?

Answer 2

Cervical spine

Question 3

The job of the cervical spine is to _____________ while allowing for what ______.

Answer 3

Maintain head posture,

A great deal of mobility

Question 4

Which is the least distinct of the spinal curves?

Answer 4

cervical

Question 5

Cervical is a ____ curve.

Answer 5

lordotic

Question 6

Cervical curve is considered a _________ curve.

Answer 6

Secondary (compensatory)

Question 7

How many IVD at the occiput-atlas-axis area?

Answer 7

none

Question 8

What is the most complex region of the axial skeleton?

Answer 8

occiput-atlas-axis

Question 9

Which part of the spine is anatomically and cinematically unique?

Answer 9

occiput-atlas-axis

Question 10

Three types of motion with the occiput-C1?

Answer 10

Combined theta X
One Sided theta Z
One Sided theta Y

Question 11

Combined theta X of occiput-C1 representative angle in degrees?

Answer 11

25 degrees

Question 12

One Sided theta Z of occiput-C1 representative angle in degrees?

Answer 12

5 degrees

Question 13

One Sided theta Y of occiput-C1 representative angle in degrees?

Answer 13

5 degrees

Question 14

C1-C2 types of motion?

Answer 14

combine theta X
One Sided theta Z
One Sided theta Y

Question 15

Representation angle in egrees of combined theta X of C1-C2?

Answer 15

20 degrees

Question 16

Representation angle in degrees of one sided theta Z @ C1-C2

Answer 16

5 degrees

Question 17

Representation angle in degrees of one sided theta Y @ C1-C2?

Answer 17

40 degrees

Question 18

Superior articular facet of atlas is shaped like what?

Answer 18

A peanut (narrow center)

Question 19

The superior articular facet of atlas is concave or convex?

Answer 19

concave

Question 20

The superior articular facet of atlas faces slightly what?

Answer 20

medial

Question 21

The anatomical structure at C0/C1 is “______” in both which two planes?

Answer 21

Cup like

Sagittal and frontal

Question 22

The lateral mass of C1 is shaped like a peanut which allows for _______.

Answer 22

Little rotation

Question 23

The shape of the articulation @ C0/C1 favors ____ and the others are limited.

Answer 23

Theta X axis