Alternative Definitions of Sarcopenia, Lower Extremity Performance, and Functional Impairment with Aging in Older Men and Women

OBJECTIVES: To compare two methods for classifying an individual as sarcopenic for predicting decline in physical function in the Health, Aging and Body Composition Study. DESIGN: Observational cohort study with 5 years of follow‐up. SETTING: Communities in Memphis, Tennessee, and Pittsburgh, Pen…