Malleolar Groove of Tibia Anatomy in 3D

A channel behind the inner ankle bone. It holds the "Posterior Tibial Tendon"; if this tendon is damaged, the foot will slowly turn into a "Flatfoot" (PTTD).

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Related structures

Tibia Anterior Border of Tibia Body of Tibia Inferior Articular Surface of Tibia Interosseous Border of Tibia Lateral Condyle of Tibia Lateral Surface of Tibia Medial Border of Tibia