About Us | Privacy | Site Map
May 24, 2013
Font Size
A
A
A
1
...

Broken Ankle
(Ankle Fracture)

Medical Author:
Medical Editor:

Broken Ankle (Ankle Fracture) Overview

Ankle injuries are among the most common of the bone and joint injuries. Often, the degree of pain, the inability to walk, or concern that a bone may be broken is what usually causes people to seek care for an ankle injury.

The main concern is whether there is a broken bone. Frequently it is difficult to distinguish a fracture (broken bone) over a sprain, dislocation, or tendon injury without X-rays of the ankle.

  • The ankle joint is made up of three bones that articulate together, the tibia, fibula, and talus (some authors also include the calcaneus bone and label the joint as the subtalar joint and considerate it part of the ankle):
    • The tibia, the main bone of the lower leg, makes up the medial, or inside, anklebone.
    • The fibula is a smaller bone that parallels the tibia in the lower leg and makes up the lateral, or outside, anklebone.
    • The far ends of both the tibia and fibula are known as the malleoli (singular is malleolus). These malleoli are the lumps of bone that you can see and feel on the inside and outside of the ankle. Together they form an arch or mortise (a recess) that sits on top of the talus, one of the bones in the foot.
  • A fibrous membrane called the joint capsule, lined with a smoother layer called the synovium, encases the joint architecture. The joint capsule contains the synovial fluid produced by the synovium. The synovial fluid allows for smooth movement of the joint surfaces.
  • The ankle joint is stabilized by several groups of ligaments, which are fibers that hold these bones in place. They are the capsule ligament, deltoid ligament, the anterior and posterior talofibular ligaments, and the calcaneofibular ligament. Some of these ligaments may be disrupted if the ankle is fractured.

Must Read Articles Related to Ankle Fracture

Ankle Sprain
Ankle Sprain The ankle joint, which connects the foot with the lower leg, is injured often. An unnatural twisting motion can happen when the foot is planted awkwardly, when ...learn more >>
Bone Mineral Density Tests
Bone Mineral Density Tests Osteoporosis (or porous bone) is a disease in which bones become weak and are more likely to break. Bone mineral density tests check the strength and solidness ...learn more >>
CT Scan (CAT Scan, Computerized Axial Tomography)
CT Scan History CT was discovered independently by a British engineer named Sir Godfrey Hounsfield and Dr. Alan Cormack. It has become a mainstay for diagnosing med...learn more >>

Viewer Comments & Reviews

Ankle Fracture - Causes

The eMedicineHealth physician editors ask:

What caused your ankle fracture?

Broken Ankle or Ankle Sprain?

Medical Author: Benjamin C. Wedro, MD, FACEP, FAAEM
Medical Editor: Charles P. Davis, MD, PhD

The difference between doctors who look after mere mortals and those who look after elite athletes may have to do with how many tests they can order, regardless of the cost. And when X-ray and MRI reports lead the news, it makes it difficult for family doctors to explain why those tests aren't necessarily appropriate for them (or even the elite athlete).

Ankle sprains are common injuries and historically, patients expected that if they went to the ER or their doctor's office, they would have an X-ray taken to prove there were no broken bones. As it turns out, the vast majority of those ankle X-rays done were normal and, in retrospect, could be seen as expensive, wasteful, and posed another opportunity to expose a person to unneeded radiation. Ian Stiell and his colleagues in Ottawa, Canada completed a study that showed it was not useful to order all those tests, since less than 15% of those ankle X-rays were positive for a fracture. The results of the study also allowed Dr. Stiell to develop the Ottawa ankle rule guidelines. They give the doctor and the patient a starting point for the discussion about care and treatment for ankle injuries.

Women's Health

Find out what women really need.

Please acknowledge your agreement




Read What Your Physician is Reading on Medscape

Ankle Fracture »

For many primary care physicians, ankle injuries are the most common sports-related injury seen in their practice.

Read More on Medscape Reference »


Medical Dictionary


Use Pill Finder Find it Now

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies