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Podcast #403: Meniscus Lock

Emergency Medical Minute

Release Date: 11/12/2018

Author: Mark Hinton, MD

Educational Pearls:


  • Meniscus lock can occur with a tear leading to inability to extend the knee
  • Treatment can include an intra-articular joint block followed by straightening
  • Medial meniscus injuries are more common



Allum RL, Jones JR. The locked knee. Injury. 1986 Jul;17(4):256-8. PubMed PMID: 3770920.

Critchley IJ, Bracey DJ. The acutely locked knee--is a manipulation worth while? Injury. 1985 Jan;16(4):281-3. PubMed PMID: 3967919.

Summary by Travis Barlock, MS4  | Edited by Erik Verzemnieks, MD