Orthopedics Book

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Posterior Cruciate Ligament Tear

Aka: Posterior Cruciate Ligament Tear, PCL Tear, Posterior Cruciate Deficiency
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  1. Epidemiology
    1. Uncommon injury
  2. Mechanism of injury
    1. Direct trauma to proximal tibia
    2. Occurs when flexed knee decelerates rapidly
      1. Hyperflexion
      2. Fall on flexed knee
  3. Signs
    1. Knee Posterior Drawer Test positive
    2. PCL Sulcus Test positive
    3. PCL Sag Test positive
  4. Radiology: Knee XRay
    1. Lateral XRay evaluates for tibial avulsion Fracture
  5. Management
    1. Knee Immobilization for short period (extension splint)
    2. Knee Brace
    3. Quadriceps strengthening Exercises
    4. Surgery Indications (rarely indicated)
      1. Displaced tibial avulsion Fracture
  6. References
    1. Smith (1995) Am Fam Physician 51(4): 799-806

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