Every knee arthritis patient needs to hear... - pain does not always imply harm -it's ok to run/walk/weight train -yes, PT can be helpful. -steroids are not typically helpful and might harm u -it's helpful to remain active -ignore the x-ray and focus on remaining active. -don't try stem cells They shouldn't hear. - you have bone on bone -you have the knee of a 90 year old - you should stop exercising -rest, or you'll need a TKR - come back every 3 months for an injection