Page updated June 2023 by Dr Sheila Strover (Clinical Editor)
The posteromedial corner (PMC) is the region towards the back of the knee on the inner side.
The neglected corner of the knee
Instabilities from PMC injury
Disruption of the PMC can cause anteromedial rotational instability. Usually injury of the PMC occurs in association with anterior or posterior cruciate ligament tears. The key issue is that cruciate reconstructions may fail if the surgeon does not recognise and address the PMC instability.
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Relevant material -
Peer-reviewed papers -
- 2015 - Posteromedial Corner of the Knee: The Neglected Corner - Authors: Lundquist et al. - summarised by Dr Sheila Strover (Clinical Editor)
- 2016 - Posterior meniscal root injuries - Authors: Moatshe G et al. - summarised by Dr Sheila Strover (Clinical Editor)