The Effect of Tail Fat Application on Joint Pain, Joint Stiffness, and Daily Living Activities in Patients With Gonarthrosis

\*\*Inclusion Criteria\*\* * Patients diagnosed with gonarthrosis by a physician. * Patients with a VAS score above 4. * Individuals who have experienced pain related to knee osteoarthritis for at least the last 3 months. * Participants aged 18 years and older. * Individuals without an allergy to sheep tail fat or other animal products. * Individuals who can communicate in Turkish and understand written and verbal instructions. * Individuals who can apply the sheep tail fat according to the instructions. * Individuals who agree to participate in the study. \*\*Exclusion Criteria\*\* * Individuals with severe physical disability or mental/psychological problems in the knee region. * Individuals with intellectual or cognitive limitations. * Individuals who have undergone knee surgery within the last year. * Individuals with peripheral vascular disease. * Individuals with infection, wound, cellulitis, or active skin disease in the knee region. * Individuals who have experienced knee trauma or received an intra-articular steroid injection within the last six months. * Individuals diagnosed with secondary arthritis or inflammatory joint disease. * Pregnant or breastfeeding women. * Individuals with active bleeding disorders. * Individuals with asthma and individuals with liver or kidney failure. * Individuals with connective tissue diseases (e.g., lupus, systemic sclerosis). * Individuals who have experienced a serious infection within the last three months or are immunosuppressed. * Individuals with neurological diseases affecting knee stability.