Cervical Spine Biomechanics Flashcards
1
Q
Cradle
A
C1
2
Q
Axis
A
C2
3
Q
Root
A
Embedding of C2 in C3
4
Q
Column
A
C3-C6
5
Q
Vertebrae are built for ____ not _____
A
mobility; stability
6
Q
How do we achieve more stability in the cervical spine?
A
Muscles provide additional stability; muscle sprains more likely in MVA
7
Q
Facet angle
A
45 degrees anterior and superior
8
Q
Why are cervical transverse processes predisposed to fx?
A
Thinness of bridge to transverse process
9
Q
Orientation of cervical transverse process
A
Anterolateral
10
Q
Uncinate process
A
Not present at birth
Develops @ 5-10 years
Limits sidebending
Guides flx/ext
11
Q
What compromises bloodflow to head?
A
Rotation/sidebending
Extension & Rotation: bilateral decrease more on contralateral side
12
Q
C1 superior facet shape
A
Concave
13
Q
C1 inferior facet shape
A
Convex
