cervical 1 Flashcards

1
Q

the CS has more muscles & is most mobile region of the VB, so its job is to maintain ____ while still allowing for a great deal of ___

A

head posture

mobility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

cervical curve is considered ___ distinct of the spinal curve, and is considered a ___ curve

A

least

secondary (compensatory)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  • three bones making up the UCS, the most complex region of the spine, and their articulations
  • are anatomically and kinematically unique, lack IVD at both
A

occiput-atlas-axis
atalnto-occipital
atlanto-axial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

combined theta X
one sided theta Z
one sized theta Y
movements are all found at which joints

A

atlanto-occipital

atlanto-axial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
transverse lig of the atlas
alar ligs
PLL
post atlanto-occ memb
ant atlanto-occ memb
ligamentum nuchae
apical lig
-are all:
A

stabilizing ligaments (UC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

the superior atricular process on the lateral masses of atlas are ___ and face slightly ___

A

concave

medial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the anat struct at C0/C1 is ____ on both planes, with the LM of C1 like a peanut, allowing for little ____

A

cuplike

rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

motion of occiput-atlas (occip glide) is ____ on the ___ axis

A

rotation (PS/AS)

theta X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

with X AXIS rot of occ-C1, ___ is limited by post neck musc tension and ___ is limited by subocc musc compression against the occiput

A

flexion

extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Y AXIS rot of occ-C1 has a range of - degrees to EACH SIDE, but axial rotation is limited by __ __ tension

A

4-8

alar ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Y AXIS rot of occ-C1 has a range of - degrees to EACH SIDE, but axial rotation is limited by __ __ tension

A

4-8

alar ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Z AXIS rot of occ-C1 is not possible under _____ conditions, but can be induced so one condyle elevates out of its socket while other pivots in ____

A

physiological

cadavers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  • Z AXIS rot of occ-C1 is limited by __ lig attachments, but some does occur w/ some coupled ____ in the opposite direction
  • rot of chin AWAY from lat flex side
A

alar

rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

C1 INF articular process is flat or slightly concave, faces slightly ___, and has a ___ articulation with C2 bc of cartilage config

A

medial

biconvex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

X AXIS rot C1/C2 biconvexity combined theta X = ___ degrees

-greater curve in dens = greater theta x

A

20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  • there is a LOT of Y AXIS rot C1/C2, ___ degrees +/- 5.5, but alar lig can restrain
  • accounts for __% of neck rot
A

43

50

17
Q

with Y AXIS rot of C1/C2, the bigger lat mass indicates rotational ____ on that side

A

anteriority

18
Q
  • tissues that fill the spaces bt cartilages ant & post that serve to keep a film of synovial fluid applied to those surfaces of the articular cartilages that don’t contact e/o
  • displaced w/ Y AXIS rot, return passively
A

intra-articular meniscoids

19
Q

theta Y movement in C1/C2 is coupled with ____

A

y translation

20
Q

in C1/C2 there is little _ axis translation, and _ axis translation is controversial, according to panjabi and white it is only “apparent”

A

Z

X

21
Q

in C1/C2 there is little _ axis translation, and _ axis translation is controversial, according to panjabi and white it is only “apparent”

A

Z

X

22
Q
  • as the head is lat flex to one side, the ___ artic proc takes on a greater load, while the C@ inf artic surface slopes ____
  • rotation of SP of C2 TOWARD the convexity of lat bend
A

ipsilateral

inferiorly

23
Q
  • as the head is lat flex to one side, the ___ artic proc takes on a greater load, while the C@ inf artic surface slopes ____
  • rotation of SP of C2 TOWARD the convexity of lat bend
A

ipsilateral

inferiorly

24
Q

in lateral bending coupled with axial rotation, the ___ moves to the ___ side

A

spinous

contralateral

25
Q
  • area of greatest cervical flexion/extension (combined +/- x axis)
  • THETA X
A

C4-C5

C5-C6

26
Q
  • area of greatest cervical axial (one sided y axis) rotation
  • THETA Y
A

C3-4
C4-5
C5-6

27
Q
  • area of greatest cervical lateral bending (one sided Z axis rot)
  • THETA Z
A

C2-3
C3-4
C4-5

28
Q

two movements that are not natural or pure movements of the cs, so they are always coupled

A
axial rotation (longitudinal)
lateral rotation (sagittal)