Light Activity Every Day Keeps Disability at Bay

http://www.northwestern.edu/newscenter/stories/2014/04/light-activity-keeps-disability-at-bay.html

April 30, 2014 | by Erin White

Pushing a shopping cart or a vacuum doesn’t take a lot of effort, but enough of this sort of light physical activity every day can help people with or at risk of knee arthritis avoid developing disabilities as they age, according to a new Northwestern Medicine® study.

It is known that the more time people spend in moderate or vigorous activities, the less likely they are to develop disability, but this is the first study to show that spending more time in light activities can help prevent disability, too.

“Our findings provide encouragement for adults who may not be candidates to increase physical activity intensity due to health limitations,” said Dorothy Dunlop, professor of medicine at Northwestern University Feinberg School of Medicine and lead author of the study. “Even among those who did almost no moderate activity, the more light activity they did, the less likely they were to develop disability.”

Results of the study were published April 29 in the British Medical Journal.

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