Lead Sponsor

University of North Carolina, Chapel Hill

Collaborators

Age

18 - 35 years

Sex

ALL

Healthy Volunteers

No

•Individuals with Chronic Ankle Instability which will be defined as those individuals who:
•have sustained at least two lateral ankle sprains;
•have experienced at least one episode of giving way within the past 6-months;
•answer 4 or more questions of "yes" on the Ankle Instability Instrument;
•have self-assessed disability scores of ≤90% on the Foot and Ankle Ability Measure;
•have self-assessed disability scores ≤80% on the Foot and Ankle Ability Measure-Sport.

•known vestibular and vision problems,
•acute lower extremities and head injuries (\<6 weeks),
•chronic musculoskeletal conditions known to affect balance (e.g., Anterior Cruciate Ligament deficiency) and
•a history of ankle surgeries to fix internal derangement.
•Participants will also be excluded if they have any of the following which are contraindications to Transcranial Magnetic Stimulation testing:
•metal anywhere in the head (except in the mouth),
•pacemakers,
•implantable medical pumps,
•ventriculo-peritoneal shunts,
•intracardiac lines,
•history of seizures,
•history of stroke
•history of serious head trauma.

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Mechanisms of Manual Therapies in CAI Patients