The lower leg is composed of two bones, the fibula and the tibia. The fibula is placed on the lateral side of the tibia, with which it is connected above and below. It is the smaller of the two bones, and is most slender of all the long bones. It is composed of three parts. These include the section the is below the knee joint, the mid portion of the tibia and the part that is involved in the ankle joint. The ankle joint is composed of three bones: the shinbone (tibia), the fibula and the anklebone (talus). The leg bones form a scooped pocket around the top of the anklebone. This lets the foot bend up and down. Traumatic disorders of the fibula include transverse fractures, spiral fractures and fatigue fractures.
Causes of Fracture Of The Fibula
Fractures involving the lower include fractures of the tibia and fibula. These fractures may result from direct or indirect trauma. Fractures of the tibia generally are associated with fibula fracture, because the force is transmitted along the interosseous membrane to the fibula. Significant numbers of these injuries are open, because the skin and subcutaneous tissue are very thin over the anterior tibia. Spiral fractures are caused by twisting and straining of the leg. The fibula may be fractured by itself, or it may be fractured in association with the tibia. Fatigue fractures of the lower end of the fibula are seen in long-distance runners as a result of recurrent stress.
Signs and Symptoms of Fracture Of The Fibula
Those suffering from fractures involving the tibia have various symptoms. They depend, in part, on what other structures are damaged. In general, they complain of pain and swelling at the damaged region. The may be unable to walk. However, individuals may be able to ambulate with isolated fractures of the fibula.
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Medical Content Last Updated on 07/12/2008
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