The lateral retinaculum is the name given to the structures that provide a passive restraint to the patella on the outer (lateral) side of the knee.

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The lateral retinaculum and lateral release

This structure is important and it should be surgically 'released' only in very special circumstances.

An 'interpretation' of a 2008 medical publications of the anatomical structure of the lateral retinaculum as found in cadaver dissections.

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