Inclusion Criteria:  Individuals between the ages of 18-50 who complain of shoulder pain Individuals diagnosed with a partial tear of the rotator cuff smaller than 1 cm and As a result of the examination performed by the physician stage 1 or 2 subacromial impingement syndrome. Two of the following tests are positive Hawkins-Kennedy, painful arc or infraspinatus muscle strength tests Presence of shoulder pain lasting longer than 6 weeks that limits activity. Being literate and not having cognitive dysfunction.  Exclusion Criteria:  Presence of other orthopedic, neurological and systemic problems affecting the neck, shoulder and back complex, Patients with heart failure and using a pacemaker, Labral tears and other intraarticular structural pathologies Signs of adhesive capsulitis Grade 3 or full thickness rotator cuff tear BMİ > 30 kg/m Having been included in a physical therapy program related to the same side shoulder joint in the last 1 year Using non-steroidal anti-inflammatory drugs.