The investigators include patients attending the outpatient clinic in the area of Orthopedics and Traumatology of the investigators hospital with a diagnosis of knee osteoarthritis, which treatment requires surgery. Patients will be divided into two groups. In both groups, they will be given verbal, clear and detailed information on the approach to follow, the exercises given in brochures, and in the study group a schedule will be given in order to record rehabilitation exercises in patients after total knee replacement (TKA). Both groups will be assessed before and after surgery, together with outpatient follow-up by, WOMAC, Visual Analogue Scale and SF-12.