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The misconception that acute lateral ankle sprains are innocuous injuries that require little treatment is common across patients and healthcare professionals; indeed, up to 50% of individuals who incur an acute lateral ankle sprain do not seek formal healthcare management for their injury. 3 All too often colloquial terms such as a ‘rolled’ankle or ‘twisted’ankle are used to describe an acute lateral ankle sprain injury. In reality, acute lateral ankle sprains are rarely ever a ‘simple’injury. 4 This is evidenced by the high propensity for the development of long-term injury-associated symptoms. Individuals who have incurred an acute lateral ankle sprain injury often experience ankle joint instability, regular occurrences of ‘giving way’of the ankle joint, as well as recurrent sprains during the months and years after their initial injury; these are the characteristic features of chronic ankle instability. 5–8