Talus Fracture

A talus fracture is a break in one of the bones that forms the ankle. This type of fracture often occurs during a high-energy event, such as a car collision or a high-velocity fall.

Because the talus is important for ankle movement, a fracture often results in significant loss of motion and function. In addition, a talus fracture that does not heal properly can lead to serious complications, including chronic pain. For this reason, many talus fractures require surgery.

The talus is the bone that makes up the lower part of the ankle joint (the tibia and fibula bones of the lower leg make up the upper part of the ankle joint). The talus sits above the heel bone (calcaneus). Together, the talus and calcaneus form the subtalar joint, which is important for walking, especially on uneven ground.

The talus is the main connector between the foot and leg, helping to transfer weight and pressure forces across the ankle joint. It is largely covered by articular cartilage, the white slippery material that covers all joint surfaces. This cartilage allows the talus to move smoothly against its neighbor bones.

Types of Fractures

Fractures occur in all parts of the talus bone. Most commonly, the talus breaks in its mid-portion, called the “neck.” The neck is between the “body” of the talus, located under the tibia, and the “head,” located further down the foot.

Another common site for talus fractures is along the outside of the bone where it juts out slightly. This area of the bone is called the “lateral process.” Fractures of the lateral process often occur when the ankle is forced out to the side and are commonly seen in snowboarders.

The talus often breaks in the mid-portion — or “neck” — of the bone.

Fractures are often classified according to the severity of the displacement — how much the pieces of bone have moved out of their normal position.

Minimally displaced or stable fractures: This type of fracture is barely out of place. The broken ends of the bones line up almost correctly. In a minimally displaced fracture, the bones usually stay in place during healing, and surgery to fix the bones into position is not usually required.

Displaced fracture: When a bone breaks and the pieces move out of their anatomic position, it is called a displaced fracture. The amount of displacement relates to the amount of energy that caused the fracture. Fractures that are highly displaced are more likely to be unstable. Unstable displaced fractures of the talus often require surgery to restore correct alignment and to give the best chance for the return to normal movement of the foot and ankle.

Open fracture: When broken bones break through the skin, they are called open or compound fractures. Open fractures often involve much more damage to the surrounding muscles, tendons and ligaments. In addition, open fractures expose the fracture site to the environment. They have a higher risk for complications and infection and take a longer time to heal.


Most talus fractures are the result of high-energy trauma such as a car collision or a fall from height. Injuries from sports, particularly from snowboarding, are another, less common, cause of talar injuries.


Patients with talus fractures usually experience:

  • Acute pain
  • Inability to walk or bear weight on the foot
  • Considerable swelling, bruising, and tenderness


Most people with talus fractures will go to an urgent care center or emergency room for initial treatment because of the severity of their symptoms.

Physical Examination
After discussing your symptoms and medical history, your doctor will do a careful examination. He or she will:

  • Examine your foot and ankle carefully to see if there are any cuts from the injury.
  • Check to see if you can move your toes, and can feel things on the bottom of your foot. In some cases, nerves may be injured at the same time that the bone is broken.
  • Check your pulse at key points of the foot to be sure that there is good blood supply to the foot and toes.
  • Check to see that pressure from fluids is not building up in the muscles of the foot, a condition called compartment syndrome. Compartment syndrome can result in loss of sensation and function, and requires emergency surgery once it is diagnosed.
  • Determine whether you have received any other injuries by examining the rest of your injured foot and your legs, pelvis and spine.

Imaging Tests
Information from diagnostic imaging tests will help your doctor decide whether surgery is required and will be critical for surgical planning.

X-rays. X-rays are the most common and widely available diagnostic imaging technique. An x-ray can show if the bone is broken and whether there is displacement (the gap between broken bones). It can also show how many pieces of bone there are.

Computed tomography (CT) scan. If your doctor still needs more information after viewing your x-rays, a CT scan may also be ordered. A CT scan shows a cross-sectional image of your foot. It can provide valuable information about the severity of the fracture by helping your doctor see the fracture lines more clearly.


Immediate first aid treatment for a talus fracture, as with any painful ankle injury, is to apply a well-padded splint around the back of the foot and leg from the toe to the upper calf to immobilize the limb and protect it. Elevating the foot above the level of the heart helps to minimize swelling and pain. Specific treatment depends upon the severity and the type of fracture, so it is important to seek immediate medical attention.

Nonsurgical Treatment

Only fractures that are well-aligned (stable) can be treated without surgery. This is very rare in a talus fracture, however, because of the high-energy force that causes the injury.

Casting. A cast will hold the bones in your foot in place while they heal. You will have to wear a cast for 6 to 8 weeks. During this time, you will be asked to limit the amount of pressure you put on your foot. The goal is for the bone to heal enough for you to bear weight on it without the risk that it will move out of position.

Rehabilitation. When the cast is removed, your doctor will give you exercises to help restore the range of motion and strengthen your foot and ankle.

Surgical Treatment

If the bones have shifted out of place (displaced), surgery to internally set and stabilize the broken pieces results in the best outcome and reduces the risk of future complications.

Open reduction and internal fixation. During this operation, the bone fragments are first repositioned (reduced) into their normal alignment. They are then held together with special screws or metal plates and screws.

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