Those who spent more than four hours per day doing light physical activity had more than a 30 percent reduction in the risk for developing disability compared to those spending only three hours a day in light activity (the least average number of hours collected in the study).
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…
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