Prevention of onset and progression of basic ADL disability by physical activity in community dwelling older adults: A meta-analysis

► 1st meta-analysis on association between physical activity and basic ADL disability. ► Physical activity at medium/high level reduces risk incident disability by 49%. ► Reduced risk controlled for age group, length follow-up, confounding factors. ► Physical activity at medium/high level reduces risk progressive disability by 45%. ► Physical activity slows down disablement process in aging or diseased populations.