Anterior Subluxation (Hyperflexion Strain)

Fractures and Dislocations

Facet Dislocation - Subluxation

Anterior subluxation (hyperflexion strain)

– The Posterior Ligament complex is disrupted. (30-50% can show delayed instability)

Posterior Ligament Strain Extension (left) and Flexion (Right)

This section written by:

LCDR Ron Boucher, MC, USN
LT Hugh McSwain, MC, USN

With some assistance from:

CDR Michael Puckett, MC, USN
ENS Robert Post, MC, USNR

Bureau of Medicine and Surgery
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Operational Medicine
Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
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January 1, 2001

United States Special Operations Command
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