II. Epidemiology
- Uncommon injury
III. Mechanism of injury
- Direct Trauma to proximal tibia
- Occurs when flexed knee decelerates rapidly
- Hyperflexion
- Fall on flexed knee
IV. Signs
- Knee Posterior Drawer Test positive
- PCL Sulcus Test positive
- PCL Sag Test positive
V. Radiology: Knee XRay
- Lateral XRay evaluates for tibial avulsion Fracture
VI. Management
- Knee Immobilization for short period (extension splint)
- Knee Brace
- Quadriceps strengthening Exercises
- Surgery Indications (rarely indicated)
- Displaced tibial avulsion Fracture