Munson Health
Patellar Dislocation

Back to Document


Risk Factors

Factors that may increase your risk for patellar dislocation include:
Other factors that can create instability in the patella include:
  • Weak thigh muscles
  • A patella that sits too high on the thigh bone
  • Weakened and stretched ligaments from a previous patellar dislocations


Family Doctor—American Academy of Family Physicians

Ortho Info—American Academy of Orthopaedic Surgeons



Canadian Association of General Surgeons

Canadian Orthopaedic Foundation



Acute patellar dislocation. EBSCO DynaMed website. Available at: Updated August 26, 2012. Accessed November 5, 2013.

Panni AS, Vasso M, et al. Acute patellar dislocation: What to do? Knee Surg Sports Traumatol Arthrosc. 2013;21(2):275-278.

Unstable kneecap. American Academy of Orthopaedic Surgeons Ortho Info website. Available at: Updated August 2007. Accessed November 5, 2013.

8/4/2014 DynaMed's Systematic Literature Surveillance Cincinnati Children's Hospital Medical Center. Evidence-based care guideline for conservative management of lateral patellar dislocations and instability in children and young adults aged 8-25 years. Cincinnati (OH): Cincinnati Children's Hospital Medical Center; 2014 Mar 18.


Revision Information