Clinical Research Directory

* Patients 18-75 years of age * Patients undergoing knee arthroplasty * Patients who do not have communication problems, who are conscious and able to answer questions, and who do not have any disorder/disease affecting their decision-making ability (dementia, Alzheimer's, etc.) * Patients who do not have psychiatric disorders such as anxiety disorder, panic attacks, depression and are not receiving psychiatric treatment such as antipsychotics/anxiolytics. * Without Muscle Disease, * Patients who volunteered to participate in the study. * Patients who understand the study content and voluntarily sign the informed consent form for the study will be included in the study. Exclusion Criteria: \-