Knee arthritis is a chronic joint disease that causes pain, disability and impaired quality of life, leading to significant social and health problems worldwide. Moreover, these public and economic impacts related to osteoarthritis of the knee are expected to increase in the future. With the global increase in the proportion of the elderly population, overall obesity rates and the associated incidence of osteoarthritis of the knee, clinicians are now focusing on new treatment strategies. The diagnosis is usually made by history, physical examination and radiography (X-ray) and there is no need for additional examination. Today, both non-surgical and surgical interventions are used in the treatment of knee arthritis. Non-surgical options include patient education, weight loss, physical therapy (PT), support or foot orthosis, oral painkillers, non-cortisol anti-inflammatory drugs, cortisols, hyaluronic acid, plasma injections rich in platelets, prolotherapy, stem cell therapy and genicular nerve blocks. The aim of the study was to compare the benefits of genicular nerve block and physical therapy in volunteers with knee pain for more than 3 months like you and to determine the most appropriate method. In this study, Genicular nerve block and Physical therapy in patients with knee arthritis; * Effects on knee pain, mobility and functional ability * It is aimed to examine the effects on equilibrium parameters. A total of 66 participants will be included in the study. Participants will be randomly assigned to three groups by envelope selection method. Your treatment method will be determined according to the treatment method in the envelope you choose.