Inclusion Criteria:  over 50 ages Stage 2-3 osteoarthritis according to Kellgren Lawrence lectures  Exclusion Criteria:  Presence of acute infection The patient has a history of knee surgery Presence of rheumatological disease History of malignancy Major knee trauma Presence of crystal arthropathy Presence of acute trauma/fracture History of avascular necrosis The presence of contracture in the knee Using analgesic or anti-inflammatory drugs in the last 1 week Using oral or intramuscular corticosteroids in the last 3 months Intra-articular injection of the knee in the last 6 months Receiving physical therapy modalities from the knee area in the last 1 year Diseases such as dementia that may cause loss of cognitive functions