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Predisposing factors

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Patella dislocation tends to affect young and active individuals, with adolescent females and athletes at a higher risk. (1)

Factors that may predispose to dislocation include:

  • generalised ligamentous laxity
  • small lateral femoral condyle - relative to opposing tibial condyle
  • small intercondylar groove
  • small and / or high riding patella
  • significant genu valgus deformity
  • quadriceps weakness
  • history of patellar subluxation
  • tear of medial patellofemoral ligament
  • below-the-knee amputations (2)

Dislocation itself, may tear the medial joint capsule so as to make future dislocation easier.

References:

  1. Hayat Z et al. Patella dislocation. Stat Pearls Publishing Jan 2024.
  2. Wiler JL. Diagnosis:patellar dislocation. Emergency medicine news 2007;29:6-14

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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