Repeated sprains • giving way • sport
Chronic ankle instability
After one or more sprains, the ankle ligaments may no longer provide adequate stability. Patients may experience repeated sprains, giving way or reduced confidence, particularly in sport.
What symptoms may suggest this condition?
- Ankle “giving way”, especially on uneven ground.
- Recurrent sprains, sports apprehension or persistent lateral pain.
- Sometimes associated cartilage or peroneal tendon injuries.
How is the diagnosis confirmed?
Diagnosis is based on the history of sprains, examination of laxity and foot alignment. Weight-bearing X-rays may identify deformity or arthritis; MRI is mainly useful for associated injuries.
Is surgery always necessary?
Initial management usually combines strengthening, proprioception, balance training and sometimes bracing for higher-risk activities. Targeted rehabilitation is often sufficient.
When should surgery be discussed?
If instability persists despite good rehabilitation, ligament repair or reconstruction may be proposed. Arthroscopy may be added when there is an intra-articular lesion. Malalignment may also need correction.
Source patient : AOFAS / AAOS. General information, to be adapted to each clinical situation.
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