LAST CHANCE: X-ray Interpretation: Elbow Injuries - Half price course offer ends this Sunday!

Allen and Ferguson classification of subaxial cervical spine injuries

Andrew Murphy and Dr Ayush Goel et al.

Allen and Ferguson classification is used for research purposes to classify subaxial spine injuries. It is based ofn the mechanism of injury and position of the neck during injury. This classification was proposed by Allen and Ferguson in 19823 and at the time of writing (July 2016) remains the most widely used system for describing subaxial cervical spine injury.


  • flexion and compression
  • vertical compression
  • flexion and distraction (facet joint dislocation)
  • extension and compression
  • extension and distraction
  • lateral flexion
Spinal trauma

Article information

rID: 35493
Tag: refs, spine
Synonyms or Alternate Spellings:

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.