No pain, no gain?
D000329:Advertising; D001265:Athletic Injuries / Q000150:complications; D002358:Cartilage, Articular / Q000293:injuries; D006801:Humans; D007596:Joints / Q000293:injuries; D010003:Osteoarthritis / Q000209:etiology / Q000517:prevention & control*; D010146:Pain / Q000523:psychology; D011322:Primary Prevention; D013177:Sports / Q000523:psychology