Dana from Woodstock, NY asks: Is it bad for your knees to run seven days a week on the sidewalk? Dr. Arun Ramappa, Orthopaedic Surgeon, explains.
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Is running on concrete bad for your knees?

Dana from Woodstock, NY asks: Is it bad for your knees to run seven days a week on the sidewalk? Dr. Arun Ramappa, Orthopaedic Surgeon, explains.
source