Effectiveness of Telerehabilitation in Balance Training Program

* The purpose of this study is to assess the effectiveness of telerehabilitation for fall prevention. * Participants are randomly assigned to telerehabilitation group or control group. * Both the telerehabilitation and control groups will receive fall prevention education. * In addition, both groups will receive a fall prevention exercise brochure that includes instructions on how to perform the exercises, the recommended repetition and number of sets. * The telerehabilitation group engages in two exercise sessions per week for a duration of 12 weeks at home. The session will be led by a physical therapist via telerehabilitation (LINE video call). * All participants are advised to perform exercise for a total 3 days/week and record in the log book. * Participants are evaluated for balancing abilities using tests including: Timed Up and Go test, Five times chair stand, Single leg stance, Gait speed, Number of fall at 3 month, 6 month, 1 year.