Which injury is caused by inversion of the ankle?

Injury from inversion of the ankle commonly results in damage to the structures on the lateral side of the ankle. When a person rolls their ankle inwards (inversion), it places excessive stress on the ligaments that stabilize the ankle joint, particularly the lateral ligaments. This scenario often leads to lateral sprains and can also contribute to fractures of the lateral malleolus, which is the bony prominence on the outer side of the ankle.

The correct answer involves the medial malleolus fracture, a misunderstanding in this context. A medial malleolus fracture typically occurs due to a significant force impacting the medial aspect of the ankle or due to severe external rotation forces, which can happen in certain types of injuries but are not directly a result of simple inversion.

On the other hand, a lateral malleolus fracture, which results from an inversion injury, is actually a more common occurrence than a medial malleolus fracture in inversion injuries. The tibial plateau fracture typically involves the upper part of the tibia near the knee and is not related to ankle inversion. A boot top fracture generally refers to an injury commonly seen in skiers and involves the fibula at the lower part; this is also unrelated to ankle inversion specifically.

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