[Epidemiologic aspects of cartilage damage of the knee joint].

Making up a balance of symptomless cartilage damages of knee joint, we got a result of 94.6% after having a section of 102 cases with an average of age from 65.95 years. Taking into consideration professional and other factors of physical exercises, we are going to inform about the prophylactic and prognostical importance of degenerative cartilage changes, which will be manifested clinically in the symptomless stage.