Fracture of the Lateral Malleolus is also occurred when the ankle is either twisted or rolled, usually with an awkward or uneven step. Lateral Malleolar Fracture Ankle and Midfoot Fractures and Dislocations. A lateral malleolar fracture occurs as a result of the twisting of the foot or ankle resulting from tripping or falling. The more bones that may be broken after the incident, the more unstable the ankle may become and the ligaments may be damaged as well [2, 3, 4]. Symptoms Fractures are acute injuries (occur suddenly) therefore symptoms can often be noticed immediately following injury. Isolated lateral malleolar fractures present one of the most challenging... Ankle Fractures.