Exercise is crucial for people living with osteoarthritis. Studies have linked cardiovascular exercise to improved bone health and joints in patients with osteoarthritis. Try to work out for at least 20 minutes, four or five times a week. Walk on the treadmill or use an the elliptical machine at the gym. Yoga can also ease joint pain. Some experts recommend exercise before joint replacement surgery to help strengthen the body. Before starting any exercise routine, check with your doctor first.