Injuries of the ankle while indulging in sports or some other activity can be termed as ankle injury. The most common ankle injury is an ankle sprain and occurs due to an injury i.e. either a tear, twist or overstretch of the ligaments. The most often sprained joint is the ankle joint. A stretch of the ligament causes a minor sprain and a severe sprain is a result of tearing of the ligament itself. Common causes for an ankle sprain:
Symptoms of ankle sprain include severe pain at the site of the injury and inflammation and possible bruising. There is trouble in moving the joint. Other than cases of severe ankle sprains where professional help is required, an ankle sprain can be treated by self care. The most common method followed for ankle sprain is RICE:
Medications prescribed by the doctor would include non-steroidal anti-inflammatory drugs such as ibuprofen. The physician will ask for a x-ray and according to the extent of the injury advice for physical therapy and recommend support for the ankle through taping or bracing of the ankle. Very severe damage to the ligament might call for a surgery to repair the same.
Prevention from ankle injury
The talus is a turtle-shaped small bone that sits between the heel bone calcaneus and the two bones of the lower leg, the tibia and fibula. Over half of the talus is covered with cartilage. The talus is an important connector between the foot and the leg and the body. It helps to transfer weight and pressure across the ankle joint. Therefore any injury to the talus affects the ankle and the subtalar joints and multiple planes of movement of the foot and ankle are also affected. It is interesting to note that the first series of talus fractures was described in men injured in the British Royal Air Force in early 1900, when the old war planes made crash landings. The term aviators astragalus was used to describe what we now call talus fracture. Typically causes for talus fracture include fall from heights, motor vehicle collisions and injuries of the lower back.
Persons suffering from talus fracture experience acute pain and considerable swelling and tenderness in the affected area. There is inability to bear weight. Often this type of fracture is mistaken for ankle sprain. A physician relies on x rays of the foot and the ankle to ascertain the nature and kind of talus injury. In some cases, if x ray does not reveal the nature of the fracture, a CT scan is requested. Fractures in the talus can occur:
Fractures of the talus are rare but when they occur they are highly complicated. Since talus has no muscle attachment and peculiar blood supply, high morbidity in the form of non-union and mal union can occur. Avascular necrosis, which means partial death of the bone, leading to a painful arthrosis condition is another common complication.
Immediate first aid has to be rendered to patients from talus fractures. A well-padded splint around the back of the foot and leg from the toe to the upper calf is placed. Foot must be elevated to the level of the heart to prevent further edema. Ice packs can be applied every twenty minutes till the physician arrives. Care should be taken not to put weight on the injured foot. Untreated talus fractures can create problems later. The foot may get impaired and the patient is at risk of developing arthritis and chronic pain. The bone may even collapse in certain cases.
Often talus fractures require surgery to minimize the complications from arising later. The surgeon realigns the bones surgically and uses metal screws to hold the pieces in place. Small fragments of bone can be removed by bone grafts which are used to restore the structural integrity of the joint.
Even after a good correction surgery, there is always the danger of deformity, arthritis and other conditions like lack of blood supply to the talus bones. The ability of the ankle to move can be affected if ankle arthritis occurs. Subtalar arthritis that is arthritis in the subtalar joint beneath the talus bone is another complication. Deformity of the foot is another problem of talus fracture. When the fracture is fixed, it becomes difficult to reposition the bone correctly and deformity may occur.
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Bibliography / Reference
Collection of Pages - Last revised Date: July 14, 2020