Exercise, Knee Injury and Osteoarthrosis

according ACL injury Acta Orthop Scand activity activity level acute aggrecan fragments anterior cruciate ligament Arthritis Rheum arthroscopy articular cartilage associated athletes Bone Joint Surg cartilage changes cartilage matrix cause Clin Orthop compared concentration controls coxarthrosis cruciate ligament injury degradation disease early effect elite players et al evaluation examination exercise factors females follow-up former function higher Hospital human important incidence increased influence inhibitor joint cartilage joint fluid keratan sulfate knee injuries knee joint lesions loading Lohmander LS Lund major male markers medial meniscectomy meniscus injury methods non-elite Orthop osteoarthritis osteoarthrosis patients performed played present prevalence progression proteoglycan fragments radiographic ratio reconstruction reference group repair reported represent risk Roos runners running samples score serum showed shown soccer players Sports stromelysin suggested surgery Sweden synovial fluid Table tears TIMP tissue trauma treatment types University