Between-Group Effect Sizes in Participant Measures^*, Baseline to 18 Weeks.

SPPB, Short Physical Performance Battery; ADAS-cog (Alzheimer’s Disease Assessment Scale—cognitive subscale; QOL-AD, Quality of Life in Alzheimer’s Disease; SFT, Senior Fitness Test. a: higher scores better; b: lower scores better. *Means (SD). **Effect size calculated by subtracting mean change in Group 1 from mean change in Group 2 and dividing by the pooled baseline standard deviation; + values favor PLIÉ, and − values favor Usual Care. Bolded effect sizes favor PLIÉ and were ≥ 0.25. Data missing as follows: SFT back scratch (group 1, n = 1, both time points). Between-Group Effect Sizes in Participant Measures*, Baseline to 18 Weeks.