The Effect of Ultrasound-Guided Tendon Dry Needling on Pain and Function in Rotator Cuff Tendinopathy

Inclusion Criteria: * Patients with at least 6 months of shoulder pain who presented to the outpatient clinic of the Physical Medicine and Rehabilitation Department at SBU Istanbul Training and Research Hospital who agreed to participate in the study. * Positive examination tests (painful arc, Neer's, Hawkins-Kennedy, Yergason, Speed) * Positive findings on MRI (tendinosis/partial rupture), Exclusion Criteria: * Diagnosis of rheumatologic diseases * History of intra-articular/subacromial shoulder injection in the last 3 months * Individuals with a history of shoulder trauma * Individuals with a history of coronary artery disease * Cervical origin pain * Patients with a history of shoulder surgery * Patients with positive tests for instability * Patients with a history of humeral fracture * Diabetes mellitus (DM) * Patients with adhesive capsulitis * Individuals allergic to local anesthetic medications * Full-thickness rotator cuff tear