Stress fractures can occur in any of the three ankle bones, especially the tibia or fibula.
They can also occur in an active person who quickly increases their activity, for example when someone who is accustomed to jogging a few miles a week begins to train for a 26-mile marathon. What causes a stress fracture in the ankle?Īn ankle stress fracture usually occurs some time after a person begins a new activity that involves significant impact of the foot, such as hiking, running or field sports. But a bone in the ankle can also break due to repetitive stress or impact over time. But they can also be caused by a high-force impact, such as from a fall or automobile collision.īreaks that occur suddenly, during a specific incident or injury, are known as traumatic ankle fractures. What causes a broken ankle?īroken ankles are usually caused by a rotational injury, where the ankle becomes twisted, turned or rolled while walking or running, such as during sports activity. Thinning or damage to this cushion can lead to arthritis or inflammation in the joint. There is a cushion or lining between the bones, which is called cartilage. In the ankle joint or any joint in the body, two or more bones move relative to one another. If the deltoid ligament is torn in association with a fracture, the ankle is generally unstable. The deltoid ligament is found on the inner part of the ankle and provides the majority of the stability of the ankle. When ligaments are torn and associated with an ankle fracture, this damage can render the ankle unstable. They can also be injured in connection with ankle fractures. They are commonly injured in the case of ankle sprains. Ligaments connect bone to bone to provide stability of the joints. The talus (or "ankle bone") connects your leg to your foot. The ankle joint is composed of the tibia, fibula and talus bones.
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