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Ruptured ankle ligaments (0)

The ankle and the foot are held together by both ligaments and tendons. The ligaments on both sides of the ankle are tightly attached to the bones. On the outside (lateral) aspect of the ankle there are 3 major ligaments. On the inside (medial) aspect of the ankle there are a complex network of several ligaments, much stronger than the lateral ligaments. They help to restrict the motion of the ankle joint. The tendons that cross the joint are attached to the muscles in the leg and into the bones of the foot. When the muscle contracts it moves the tendon that then moves the foot at the ankle joint. The ankle joint moves primarily in one direction or plane; upwards (dorsiflexion) and downwards (plantarflexion). The normal joint does not move front to back nor does it tilt on either side. When there is an injury to the ligaments they can be stretched out or torn, leading to a sprain of the ligament, weakening them. In some cases, when the rotational forces are strong enough, the ankle fractures as well. There can also be damage done to the cartilage of the ankle joint leading to a defect of the cartilage (osteochondral defect) and ankle arthritis. The tendons that cross the ankle can be injured as well, leading to a tendonitis or tendon tears. In cases that are left untreated, or in cases after many sprains in a short period of time, there will weakening of the ligaments leading to instability of the ankle. This is called lateral ankle instability. This can lead to chronic pain and loss of function, which usually will need surgical correction.