Inestabilidad de la columna cervical, radiografía de la flexión extensión

Dr. Ebraheim’s educational animated video describes flexion / extension xrays of the cervical spine.
Flexion/extension views detect subtle ligamentous injuries that are not apparent on routine neutral static views. It is done to avoid missing an unstable injury in the cervical spine. It is one of the many tactics that improve understanding of the extent and personality of the neck injury.