Running on a treadmill puts less stress on your knees than running on asphalt or pavement.
“Running is a great workout, but it can impact the knees — and since it’s the force of your body weight on your joints that causes the stress, it’s the same whether you’re on a treadmill or on asphalt,” says Todd Schlifstein, DO, a clinical instructor at New York University Medical Center’s Rusk Institute.
The best way to reduce knee impact, says Schlifstein, is to vary your workout.
“If you mix running with other cardio activities, like an elliptical machine, or you ride a stationary bike, you will reduce impact on your knees so you’ll be able to run for many more years,” says Schlifstein.
By Colette Bouchez