Inclusion Criteria:  Pain around the shoulder, a positive impingement sign Diagnosis of non-calcific rotator cuff pathology without complete tear Do not respond to conservative therapy or rehabilitation for at least 3 months  Exclusion Criteria:  Rheumatic diseases Glenohumeral osteoarthritis Full-thickness cuff tears Fractures Infections Tumors Received a subacromial injection within 3 weeks Pregnant or want to become pregnant.