ASIA

Epidemiology

National Spinal Cord Injury Statistical Center (2021) Facts and figures at a glance

- road traffic accident 40%

- falls 30%

- sports 10%

Chen et al Arch Phys Med Rehab 2016

- 80% male

- cervical (60%), thoracic (30%), lumbar (10%)

Definition

Facet joint dislocations secondary flexion distraction injury

Epidemiology

10%

Stages

1. Unifacet subluxation - interspinous process widening

2. Unifacet dislocation - 25% anterolisthesis

3. Bifacet dislocation - 50% anterolisthesis

4. Complete vertebral translation - 100% anterolisthesis

Unilateral Facet Joint Dislocation