Ai Chi-Based Rehabilitation for Peripheral Unilateral Vestibular Dysfunction

Inclusion Criteria: * Age between 18 and 70 years * Diagnosis of unilateral peripheral vestibular hypofunction * Presence of dizziness symptoms for at least 3 months * Ability to participate in Ai Chi and aquatic exercise program * Berg Balance Scale score ≥21 * Willingness to participate in the study Exclusion Criteria: * Inability to complete assessment tests and questionnaires * Severe systemic disease that may interfere with exercise participation * Central vestibular disorders * Berg Balance Scale score ≤20 * Severe visual or hearing impairment * Initiation or change of psychiatric medication within the last 3 weeks * Severe cardiopulmonary disease * Contraindications to hydrotherapy, including water phobia, behavioral disorders, dyspnea at rest, incontinence, known chlorine allergy, open wounds, acute systemic illness, epilepsy, tracheostomy, permanent drainage devices, immunodeficiency, or known neurological disorders