MedlinePlus Medical Encyclopedia: Patellar dislocation

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Patellar dislocation

Dislocation usually occurs as a result of sudden direction changes while running and the knee is under stress or it may occur as a direct result of injury.

Update Date: 5/5/2008

Updated by: Andrew L. Chen, MD, MS, Orthopedic Surgery and Sports Medicine, The Alpine Clinic, Littleton, NH. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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