Postoperative USG Control and Clinical Follow-up of Massive Rotator Cuff Tendon Ruptures

Inclusion Criteria: * Diagnosis of a massive rotator cuff tear confirmed by preoperative magnetic resonance imaging (MRI), involving at least two tendons and/or retraction to the glenoid level. Scheduled for surgical rotator cuff repair at Gazi University Hospital, Department of Orthopaedics and Traumatology. Ability and willingness to undergo postoperative follow-up and imaging (ultrasound) at 2 weeks, 3 months, 6 months, and 12 months post-surgery. Ability to provide written informed consent. No prior surgery on the affected shoulder. Adequate cognitive and physical capacity to comply with postoperative rehabilitation protocols and outcome assessments. Exclusion Criteria: * Previous surgical intervention on the affected shoulder (including rotator cuff repair, shoulder arthroplasty, or arthroscopy). Irreparable rotator cuff tears determined intraoperatively (e.g., excessive retraction, poor tissue quality). Presence of advanced glenohumeral osteoarthritis (e.g., Hamada grade ≥ 3). Neurological disorders affecting shoulder function (e.g., brachial plexopathy, stroke-related hemiparesis). Systemic inflammatory or rheumatologic diseases (e.g., rheumatoid arthritis, lupus) affecting musculoskeletal function. Infectious conditions of the shoulder or systemic infection at the time of surgery. Inability to attend regular follow-ups or comply with the rehabilitation protocol due to psychiatric illness, cognitive impairment, or other medical conditions. Refusal or ina…