IRCT2017011231906N1 IRCT 2017-02-20 Isfahan University of Medical Sciences The effect of ketorolac in the treatment of shoulder impingement syndrome Comparison the effect of Ketorolac sub acromial injection with methyl prednisolone in patient with shoulder impingement syndrome that refers to Isfahan university clinics in 2016-2017. 2016-09-22 anticipated 40 Complete https://irct.ir/trial/24979 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Shoulder impingment syndrom. Intervention 1: Patient history, examination and shoulder X-ray (Ap & lat) will be produced. Before treatment, we use the VAS score for severity of pain and Constant Score for shoulder Range of motion and function in group A. We mark site of injection on patient's skin in sitting position. After sterilization of injection site, physiatrist inject 2 ml of Ketorolac (60 mg) with 1 ml of lidocaine in subacromial space (group A) by posterior approach. Intervention 2: Patient history, examination and shoulder X-ray (Ap & lat) will be produced. Before treatment, we use the VAS score for severity of pain and Constant Score for shoulder Range of motion and function in group B. We mark site of injection on patient's skin in sitting position. After sterilization of injection site, physiatrist inject 1 ml of methyl prednisolone with 1 ml of lidocaine in subacromial space (group B) by posterior approach.