BACKGROUND/OBJECTIVES: This clinical trial aimed to determine whether perturbation-based gait training (PBGT) on a split-belt treadmill enhances balance and muscle strength in older adults, comparing its effectiveness with walking-only training on a treadmill. METHODS: This single-center, prospective, single-blind (assessor), randomized controlled trial included 24 older adults from the Rehabilitation Center of Jeonbuk National University Hospital. Participants were equally divided into the PBGT and control groups. Both groups underwent 12 training sessions, three times a week for 4 weeks, for a total of 43 min per session. The outcomes, including the Five Times Sit-to-Stand Test (FTSST), Falls Efficacy Scale International, timed up-and-go (TUG) test, functional reach test, and lower-extremity manual muscle test scores, were measured at three time points: pre-training, post-training, and four weeks after training. RESULTS: While there were no significant differences between the two groups, the PBGT group demonstrated significant improvements in its FTSST and TUG values. CONCLUSIONS: Unpredictable perturbation training on a split-belt treadmill can be safely performed by older adults and may serve as an alternative exercise method to enhance physical performance and balance ability for fall prevention.

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