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What is an ATFL sprain?

An ATFL sprain refers to a sprain of the anterior talofibular ligament – one of the most commonly injured ligaments in the ankle. The anterior talofibular ligament connects the talus bone (in the foot) to the fibula bone (in the lower leg) and helps to stabilise the ankle joint.

An ATFL ankle sprain typically occurs when the ankle is twisted or turned in an unnatural position, causing the ligament to stretch or tear. This can happen during activities such as running, jumping, landing awkwardly or due to a sudden impact or fall.

Symptoms of an ATFL sprain

  • Pain, swelling, and tenderness in the ankle
  • Difficulty bearing weight or walking on the affected ankle
  • Bruising or discoloration around the ankle
  • Instability or a feeling of the ankle joint giving way
  • Stiffness or limited range of motion in the ankle joint

How is an ATFL sprain treated?

Initial ATFL sprain treatment typically involves the common RICE method – rest, ice, compression, elevation – to reduce pain and swelling.

Physiotherapy treatment for ankle sprains may also be prescribed to help improve ankle strength and flexibility, with a supportive brace or device recommended to help stabilise the ankle while it heals.

Most people with an ATFL sprain fully recover within a few weeks (to a few months) with appropriate treatment and self-care measures. In severe cases, surgery may be necessary to repair the damaged ligament.

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