Lateral malleolus fractures occur when the fibula is fractured at the ankle Fibular head fractures occur at the upper end of the fibula at the knee Avulsion fractures happen when a small chunk of ...

A fracture is a break or crack in a bone that often results from an injury. With an avulsion fracture, an injury to the bone occurs near where the bone attaches to a tendon or ligament.

Ranganathan said the odds of having a concomitant anterior inferior tibiofibular ligament avulsion was 9.9 times greater in trimalleolar fractures compared with unimalleolar or bimalleolar fractures.