The current study will help to determine the efficacy of a rehabilitation protocol that involves the use of eccentric contraction for patients with shoulder pain syndrome. This approach aims to improve recovery in terms of pain and function based on scientific evidence.

Inclusion Criteria:

• 18-70 years old patient, female and male diagnosed with Shoulder pain syndrome and reliable patients who can follow orders.
• Patient diagnosed by rotator cuff tendinitis

Exclusion Criteria:

• Patient with VAS more than 8/10
• History of shoulder, cervical, or thoracic surgery, shoulder dislocation, fracture, and labral tear, full thickness rotator cuff tear and adhesive capsulitis, rheumatic disease and / or any medical condition that prevents patient to perform resisted exercises
• Neoplastic disease, and systemic inflammatory disease
• Participants with three positive rotator cuff tear tests were likely to have a full-thickness rotator cuff tear and were excluded from the study.