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Flashcards in Intro & Upper Cervical Deck (72)
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1

At the birth the spine is ______?

completely convex

2

What are the primary curves?

Thoracic and sacral kyphosis

3

What are the secondary curves?

Cervical and lumbar lordosis

4

What is the ideal posture?

Plum line (from: ear, cervical vertebra bodies, shoulder, lumbar vertebral bodies, posterior to hip axis, anterior to knee axis, anterior to lateral malleolus

5

What is the function/ importance of the articular disc?

Shock absorption & prevents bone on bone rubbing

6

Early phase of mouth opening includes

35-50% of ROM
condyle rolls posterior
body of mandible moves post & inferior

7

During early phase there is roll _____ and rotation ______.

roll posteriorly
rotate posteriorly

8

Late phase opening of the mouth includes

(gliding joint)
final 50% ROM
move from rotation to translation
condyle & disc move together
maximal anterior stretch of the disc

9

During late phase there is ______ slide and _______ translation

anterior slide
anterior translation

10

Which vertebrae are the smallest and most mobile?

cervical vertebrae

11

Where is the transverse foramina located?

In the transverse process

12

Which of the cervical vertebrae are irregular?

C1, C2, & C7

13

The primary function of the atlas is _____?

stability of head and allow for 5-15 degrees flexion/extension in the frontal plane.

14

The axis has: _______, ________, _______ and _________

body, pedicle, lamina and spinous process

15

What are the two large masses of the atlas joined by?

Joined by the anterior & posterior arches

16

The superior articular facet of the atlas is concave or convex? What does it articulate with?

concave
articulates with convex occiput

17

The inferior articular facet of the atlas is: slightly_______, faces________ and is sloped ____________.

flat/ slightly concave, faces inferiorly and is sloped downward ~20*

18

The inferior auricular facet of the atlas articulates with what?

Articulates with the superior facet C2

19

Which cervical vertebrae has the largest TP?

atlas

20

What is the key attachment point for several small muscles to control fine movements?

TP of the atlas

21

The superior articular facet of the axis is?

slightly convex

22

What plane is the superior articular facet of the axis located in?

Oriented 20* from horizontal

23

Describe the arthrokinematic rule of the AO joint?

convex on concave

24

What is the primary movement of the AO joint?

flexion/extension (nodding)

25

True/False: The atlas always moves with the head.

True

26

What is the range of motion of the AO joint?

Flexion: 5* +/-
Extension: 10* +/-
(total 15* +/-)
Axial rotation: negligible - 5*
Lateral flexion: 5* +/-

27

For the AA joint the inferior atlantal facet is slightly ________ and the superior axial facet is slightly ______.

concave
convex

28

The primary motion of the AA joint is

rotation

29

Which plane is the AA oriented most closely to?

Horizontal plane

30

What makes up the median joint of the AA joint?

anterior arch of the atlas and the dens of the axis