Effectiveness of the 1x2x3 Training Methodology on Strength, Walking Speed, and Balance as Assessed by the SPPB Test in Community-Dwelling Older Adults: Effectiveness of the 1x2x3 training methodology on strength, gait speed and balance assessed on the sppb test in community-dwelling elderly people. (2026). Revista Chilena De Rehabilitación Y Actividad Física, 6(1). https://doi.org/10.32457/reaf.v6.3503