The Influence of Dual Task and Gait Speed on Gait Variability in Patients With Chronic Ankle Instability

Inclusion Criteria

• •history of at least one significant ankle sprain which occurred at least 12 months prior to enrolment in the study and was diagnosed by a physician or a physical therapist using clinical examination classifications described by Malliaropoulos et al
• •history of at least two episodes of 'giving way', and feelings of ankle joint instability in the previously injured ankle joint of 1 year post-initial sprain
• •the most recent injury occurred more than 6 weeks prior to the study enrolment
• •the ability to apply full weight bearing on the injured lower extremity with no more than mild discomfort