The Relationship Pain Beliefs With Kinesiophobia, Catastrophizing, Pain Knowledge, and Shoulder Functional Disability in Individuals With Shoulder Pain

Inclusion Criteria: * Individuals aged between 18 and 75 years * Presence of shoulder pain for at least 3 months * At least one positive finding in each of the following categories: * Painful arc during flexion or abduction * Positive Neer's or Kennedy-Hawkins tests * Pain during resisted external rotation, abduction, or empty can test Exclusion Criteria: * History of shoulder dislocation or fracture in the past 12 months * Presence of full-thickness rotator cuff tear * Previous shoulder surgery * Received physiotherapy or corticosteroid injection for the shoulder in the past 3 months * Presence of adhesive capsulitis (passive shoulder range of motion \< 50%) * Presence of systemic diseases such as cancer or rheumatic disorders