Reactive Balance Training in Augmented Reality for Older Adults

Inclusion Criteria: * Community-dwelling adults aged 60 years old or older * Able to communicate effectively in Cantonese or Mandarin * Able to walk independently on level ground for at least 30 minutes * Abbreviated Mental Test (Hong Kong version) scores \> 6 * Have fallen in the preceding year, have concerns about falling, or feel unsteady while walking or standing. Exclusion Criteria: * Uncorrected vision or hearing impairment * Osteoporosis * Have a history of hip or knee replacement * Resting blood pressure ≥ 160/100 mmHg * Resting heart rate exceeds the 60-100 beat/min normal range * Have musculoskeletal conditions causing pain or functional limitation that would preclude safe performance of study procedures (e.g., acute fracture) * Have cardiovascular conditions that may pose risks during training or assessment (e.g., uncontrolled arrhythmias) * Have mental health conditions impairing decision-making capacity or ability to comply with study instructions (e.g., psychosis) * Have neurological conditions affecting balance, coordination in a way that would increase safety risk (e.g., Parkinson's disease) * Participating or planning to participate in another fall prevention program.