Tag: Cervical instability:
Cervical Instability
What is Cervical Instability? In this x-ray series, it demonstrates movement of the vertebral body of C6 on C7. On Flexion, the posterior corners of the vertebral bodies line up. But, with extension, there is a 4.3 mm movement of the C6 body posterior (towards the back) to the C7 body. The accepted criterion for […]