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Achilles Tendon Rupture

Your Achilles tendon is a large band of tissue in the back of your ankle. It connects your calf muscles to your heel bone. The tendon helps you point your foot downward, rise on your toes, and push off when you walk. You use it almost every time you move your leg. But repeated stress can make the tendon more prone to injury. It may become inflamed and develop small tears (tendonitis). A complete tear through the tendon is known as an Achilles tendon rupture.

Side view of lower leg showing bones and ruptured achilles tendon.

When to go to the emergency room (ER)

Seek medical care right away if you:

  • Hear a loud "pop" or snapping sound

  • Have the sensation of being hit hard in the back of the leg

  • Are not able to stand on your toes, bend your foot downward, or walk normally

A ruptured Achilles tendon may not cause a lot of pain. If you hear a loud pop, even if you can walk and don`t have pain, seek medical attention.

What to expect in the ER

A healthcare provider will examine your feet, ankles, and legs. They are likely to ask about your physical activities. Your healthcare provider may order tests, which could include an MRI. This test uses magnets to create a clear picture of the tendons. An ultrasound may also be done. Ultrasound uses sound waves to create an image of the injured area.

Your treatment

If your tendon has ruptured, you will be referred to an orthopedic surgeon or a primary care sports healthcare provider. They will discuss your treatment choices with you. These include surgery to repair the tendon or wearing a cast or boot and using crutches until the tendon heals.

Online Medical Reviewer: L Renee Watson MSN RN
Online Medical Reviewer: Raymond Turley Jr PA-C
Online Medical Reviewer: Thomas N Joseph MD
Date Last Reviewed: 11/1/2021
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