Mid-cervical Flashcards
What is the most mobile region of the spinal cord?
Cervical region.
What is the primary function of the cervical spine?
Accommodate wide ROM required by the head
What is the degree range of the cervical lordosis?
30-35*
What are 3 characteristics of typical cervical vertebrae?
1) wider M-L compared to A-P
2) V. bodies have a saddle like shape
3) V. canal is large and triangular to accommodate the cord
The formations on the cervical vertebrae that like lateral ‘hooks’ are?
unicate processes
This are classified as ________ joints. Which means they are _____________________ and __________________.
Uncovertebral joints
Pseudo joints and limit lateral flexion
What are 3 clinically significant points about the uncinate processes?
1) degenerative changes
2) compressive forces
3) impinge nerve roots
What are facet joints formed by?
superior and inferior articular processes of adjacent vertebrae.
The facet joints are __________ in orientation.
oblique
What is the angle of orientation for C2 facet joint?
20*
What is the orientation angle to the horizontal and frontal plane of the C3-C7 vertebrae?
45*
Which joint segment allows the most axial rotation?
C1-C2 (~40*)
There is _____ flexion at C2-C7.
~35-40*
The C2-C7 facets slide “____” during flexion.
“open”
Flexion at C2-C7 is limited by which posterior structures?
- PLL
- Ligamentum Nuchae
- Interspinous ligaments
- Muscles
There is _____ extension at C2-C7.
~55-60*
The C2-C7 facets “____“_____ during extension.
“close” posterior
Extension at C2-C7 is limited by which anterior structures?
- ALL
- Approximation of apophyseal joints
- Muscles
There is _____ lateral flexion at C2-C7.
~35-40*
During lateral flexion of C2-C7, there is ipsilateral side slide________ and ________.
Contralateral side slide ________ and ________.
ipsilaeral inferiorly and posteriorly
contralateral superiorly and anteriorly
There is _____ axial rotation at C2-C7.
~30-35*
During axial rotation of C2-C7, there is ipsilateral side slide________ and ________.
Contralateral side slide ________ and ________.
ipsilateral posteriorly and inferior
contralateral anteriorly and superior
Spinal coupling at C2-C7 is ___________________?
ipsilateral lateral flex & rotation.
At C2-C7 with spinal coupling, right lateral flexion occurs with small ___________ axial rotation
right