Traumatologist-orthopedist of the trauma department of Nizhnekamsky CRMH Adam Eldiev told about the most common views on the etiology and pathogenesis of gonarthrosis. The young specialist began his speech with the example of 2000. There was a sharp increase in the number of patients suffering from deforming arthrosis of the knee joint. The growth was so rapid that many leading researchers could not even understand why this was happening.