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Walking Fends Off Loss of Mobility, And it's Not Too Late to Start

from NPR

People who have reached their later years may think it's primarily a time to relax, not to increase their physical activity. Not so. Previous research has suggested that exercise can improve memory and reverse muscle loss in older adults, among other benefits. And a study out Monday finds that a regular program of physical activity reduces the time spent with mobility-limiting disability.

Researchers took more than 1,600 sedentary people between 70 and 89 years old who had some functional limitations, but who could walk about a quarter of a mile in 15 minutes or less, unassisted by another person or a walker. (Canes were OK.)

Half of the participants got a health education program involving regular in-person sessions and some stretching exercises, while the other group was told to aim for 150 minutes of aerobic activity as well as strength, flexibility and balance training both at the study's facilities and at home. "Walking was the cornerstone of the program," says Thomas Gill, a professor of geriatrics at the Yale School of Medicine and an author of the study, which appears in Annals of Internal Medicine.

The study followed participants for about 2.7 years, and found that the physical activity program cut the amount of time that people spent with a "major mobility disability" — defined as being unable to walk a quarter mile — by 25 percent compared to the education program. Previous findings from the same study showed that the exercise program lowered the risk of becoming disabled in the first place; this one showed that it sped recovery from an episode of disability and lowered the risk of subsequent episodes. more


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