Clinical Research Directory

Inclusion Criteria: * Age 18-35 years * Sedentary lifestyle (International Physical Activity Questionnaire short-form 'inactive/low' category, or \<150 minutes/week of moderate-to-vigorous physical activity) * Able to stand and walk independently without an assistive device * Normal or corrected-to-normal hearing and vision * Body Mass Index (BMI) 18.5-29.9 kg/m² * Willing and able to provide written informed consent and comply with the 4-week training schedule and assessment sessions Exclusion Criteria: * Diagnosed neurological, vestibular, or orthopedic/musculoskeletal condition known to affect balance or gait (e.g., stroke, Parkinson's disease, vestibular disorders, lower-limb fracture/surgery in the past 6 months) * History of falls within the past 12 months * Hearing impairment or use of a hearing aid/cochlear implant * Uncorrected visual impairment * Regular participation in structured exercise, sport, or balance/agility training (\>150 min/week of moderate-to-vigorous activity) * Pregnancy * Cardiovascular, respiratory, or other medical contraindication to physical exertion/exercise testing * Current use of medication known to affect balance, reaction time, or central nervous system function (e.g., sedatives, anti-vertigo medication) * Cognitive or communication impairment that would limit the ability to follow auditory-cued instructions * Concurrent enrollment in another balance, stepping, or exercise-intervention study