Clinical Research Directory

Inclusion Criteria: 1. Aged 18-44. 2. Previous history of at least 1 ankle sprain and at least 2 episodes of "giving way" in the past 3 months. 3. Participants must answer "yes" to at least 5 questions on the Ankle Instability Instrument. 4. Score of 11 or higher on the Identification of Functional Ankle Instability (IdFAI). 5. Confirmed clinical presentation of CAI by a PT, AT, or MD. Exclusion Criteria: 1. Sustained an ankle sprain in the previous four weeks or lower extremity neuromusculoskeletal injury other than to the ankle in the last 12 months. 2. History of surgery to the lower extremity. 3. Sustained a lower extremity fracture. 4. History of neurological disease, vestibular or visual disturbance or any other pathology that would impair their sensorimotor performance. 5. Current participation in a formal ankle joint rehabilitation program. 6. Sustained a concussion in the last 12 months. 7. Exhibit clinical examination characteristics of foot and ankle function which are consistent with conditions other than CAI (i.e. fracture, deformity).