The lateral malleolus provides key stability against excessive eversion of the ankle and foot. The fibula is a non-weight bearing bone that originates just below the lateral tibial plateau and extends distally to form the lateral malleolus, which is the portion of the fibula distal to the superior articular surface of the talus. The fibula only bears 17% of the body weight so these fractures are not as severe as weight bearing bone fractures. The fracture can happen anywhere along the fibula. Fractures of the fibula sometimes occur with severe ankle sprains. Many factors appear to contribute to the development of these fractures including changes in athletic training, specific anatomic features, decreased bone density, and diseases. 10.1.4 Phase 4- Advanced strengthening (weeks 12-16)įractures of the tibia and fibula are most common in athletes, especially runners, or non-athletes who suddenly increase their activity level. ![]() ![]() 10.1.3 Phase 3- Progressive strengthening (weeks 8 to 12).10.1.2 Phase 2- Range of motion and early strengthening (weeks 6 to 8).10.1.1 Phase 1- Maximum protection (weeks 0 to 6).
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