Anatomy
Strong prong projecting down from medial/outer side of lower extremity, articulating laterally with the talus.
Clinical
Fractures can be isolated or more often, one of; bi-malleolar (with lateral malleolus -often requires surgery; tri-malleolar with lateral malleolus and posterior aspect of bottom of tibia – usually requires surgery; fracture often accompanied by ligamentous damage.
Vignette
The medial malleolus and lower extremity of the tibia (called the plafond) and the lateral malleolus of the fibula form an arch and constitute the ankle mortise, ie they partially surround the bone with which they articulate – the talus.
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