MA II: Cervical Spine Flashcards
1
Q
MA II: Cervical Spine
A-O joint primary motions
A
- 5 deg flexion
- 10 deg extension
- 5 deg SB
- neglible rotation
2
Q
MA II: Cervical Spine
A-A joint primary motions
A
- 45 deg axial rotation
- 15 deg flexion and extension (limited by the dens contacting the A-A joint)
- negligible SB
3
Q
MA II: Cervical Spine
C2-C7 primary motions
A
- 35-40 deg flexion
- 55-60 extension
- 45 deg roation
- 35 deg SB
4
Q
MA II: Cervical Spine
Extreme A-A joint axial rotation is primarily limited by
A
contralateral alar ligament
5
Q
MA II: Cervical Spine
the alar ligament are also known as
A
the “check ligaments”
6
Q
MA II: Cervical Spine
arthrokinematics of flexion and extension C2-C7 joints
A
Extension (C4-C7) inferior articular facets of the superior vertebrae slide inferior and posterior relative sup articular facets of the inferior vertebrae
7
Q
MA II: Cervical Spine
protraction and retraction
A
