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Sprained, swollen and turned ankle

by Jane Hodgson 2 May 2008


A sprained, swollen or turned ankle is one of the most commonly occurring injuries to the leg. Determining the severity of the sprain is the key to assessing the correct course of treatment.

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Causes of swollen ankles and sprains

An ankle sprain is an injury in which ligaments are stretched or torn. Ankle sprains are classified as grade 1 – 3 depending on the severity of the sprain:

  • Grade 1 – Some stretching and tearing of the ligament, causes mild swelling, bruising and pain
  • Grade 2 – A partial rupture of the ligament (some of the fibres of the ligament are snapped, but others are in tact). Causes a lot of bruising swelling and pain.
  • Grade 3 – A complete rupture of the ligament (the ligament has snapped). This can cause the joint to be lax.

The foot comprises of many bones, each of these are held to their neighbours by taut ligaments. Ligaments have a fair amount of give in them, but if forced beyond their normal limits, for instance if you land awkwardly, a turned ankle or sprain occurs.

A lateral or inversion sprain occurs if the ligaments on the outside of the foot are affected. This happens if the foot goes underneath the body with the sole of the foot facing inwards.

A medial or eversion sprain is much less common. It happens if the ankle is turned outwards and affects the ligaments on the inside of the ankle.

Initial ankle sprain treatment

In the initial stages after a sprained, swollen or turned ankle, the main problems are usually pain and swelling.

Effective treatment of a sprained ankle at this stage includes using an ice pack and elevating the foot to stop any further internal bleeding and to start to reduce swelling.

For more information, see the Physiobench article: Helping to heal an injury with ice

Gentle movement of the foot also starts to reduce swelling.

As time goes on, the foot movement can be increased and it is important to retrain the muscles around the ankle and the lower leg by increasing range of movement and resisted exercises.

Retrain your ankle

The final and probably most important stage of the treatment of a sprained ankle of whatever grade is to retrain the proprioceptive feedback mechanism.

The ankle ligaments have a huge role in telling the brain what position the foot is in. Visually, you get a lot of position information, but if you don’t see an obstacle or uneven surface you need the proprioceptive mechanism to work rapidly and effectively to prevent a further sprain or turned ankle from occurring.

The proprioceptive feedback mechanism is retrained using balance exercises. A wobble board is a good way of doing this.

Returning to sport

Many sportspeople find that they lack confidence in the ankle when first returning to sport and fear a re-sprain. Taping can help in this situation.

For more information, see the Physiobench taping factsheet


Tape and reusable ice packs are available from Physiosupplies


For more advice

All Physiobench articles

Sports Injury Clinic - Lower Leg Injuries & Sprained Ankles
Sports Injury Clinic - Foot Injuries

Disclaimer: The information on this page is written to help you understand your injury. All injuries and different and should you have any concerns you should always seek advice from a qualified health professional such as a Chartered Physiotherapist or your GP.

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About the author

Jane Hodgson - Chartered Physiotherapist Jane Hodgson Jane specialises in lower body injuries and has raced competitively in running, orienteering and adventure racing.

Did you know

An ankle sprain is an injury in which ligaments are stretched or torn

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