Medial compartment

Written by Dr Sheila Strover on March 14, 2025

The medial compartment is that part of the knee where the femur articulates with the tibia - but referring only to the inner or medial side.

The small fibula bone always identifies the lateral side of the knee. The red circle is the medial compartment.

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Knee compartments

The knee is considered to have three compartments - the medial compartment, the lateral compartment and the patellofemoral compartment. Arthritis and other conditions may affect only one of the compartments.

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Compartment overload

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