Impact of Metabolic Syndrome on Rehabilitation Outcomes in Rotator Cuff Injury

* Inclusion Criteria for the Non-MetS Group: * Aged between 18-65 years * Willing to participate in the study * Unilateral Rotator Cuff Tear (RMY) * Inclusion Criteria for the MetS Group: In addition to the above criteria, meeting at least three of the NCEP-ATP III consensus criteria for Metabolic Syndrome Stable metabolic syndrome (e.g., no significant medical changes in the last 3 months) \- Exclusion Criteria for All Participants: * Inability to cooperate with the tests or presence of mental health issues * Presence of cervical radiculopathy symptoms * Presence of other orthopedic pathologies in the same shoulder (e.g., fracture, prosthesis, avascular necrosis, advanced shoulder osteoarthritis, frozen shoulder, severe scapular dyskinesia, neurological diseases, etc.) * Presence of function-limiting neurological, vascular, or cardiac issues * Local steroid injection to the shoulder within the last 3 months * Receipt of physiotherapy or rehabilitation within the last 3 months * Systemic rheumatic or inflammatory diseases * Surgical history due to chronic rotator cuff tear * Diagnosis of glenohumeral joint or acromioclavicular joint arthritis * Severe scapular dysfunction or significant postural abnormalities