Effect of Mobilization With Movement in Patients With Rotator Cuff Lesions

Inclusion Criteria: * Age between 18 and 65 years * Clinical and/or imaging-confirmed diagnosis of rotator cuff lesion (e.g., tendinopathy or partial tear) * Presence of shoulder pain for at least 3 months * Pain and functional limitation during shoulder movements * Ability to actively perform shoulder movements required for assessment and intervention * No physiotherapy or manual therapy treatment for the affected shoulder within the last 3 months Exclusion Criteria: * History of shoulder surgery on the affected side * Full-thickness rotator cuff tear or shoulder instability * Shoulder fracture, dislocation, or acute trauma within the past 6 months * Neurological disorders affecting the upper extremity (e.g., cervical radiculopathy, peripheral neuropathy) * Systemic inflammatory or rheumatologic diseases * Severe shoulder osteoarthritis or adhesive capsulitis * Current participation in another clinical trial * Use of corticosteroid injection in the affected shoulder within the last 3 months * Pregnancy * Inability to comply with the study protocol or assessment procedures