Strenuous exercise safe for people at high risk of knee arthritis
Many worry strenuous exercise could hurt their joints 10 years of vigorous activity did not pose risk Strenuous activity for one to two hours weekly reduces risk of knee osteoarthritis by 30% Osteoarthritis affects 32.5 million adults in U.S. CHICAGO—People at high risk for knee osteoarthritis (OA) may be nervous and reluctant to participate…