IRCT20150118020702N3 IRCT 2020-06-22 Artesh University of Medical Sciences Evaluation of Low Molecular Weight Hyaluronic Acid in treatment of supraspinatous Tendinopathy A Comparison between Low Molecular Weight Hyaluronic Acid (Hyalgan® MW= 500-700 KD) and physioytherapy in supraspinatous Tendinopathy. 2018-07-23 anticipated 51 Complete https://irct.ir/trial/48600 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: For the random allocation of participants to two groups with the same size of 28 participants (56 patients in total), we used block randomization. Random numbers were generated in an independent statistical room and with the help of a computer. 2 Supraspinatous thendinopathy. Intervention 1: Intervention group1: hyaluronic acid injection performed by physiatrist in tendon.each 2 ml syringe contains hyaluronic acid 20mg. One injection performed with sterility.This drug produced in italy.After injection pleced ice in the site of injection and care rules told to patient. Intervention 2: Intervention group2: in this group patient underwent physiotherapy.physiotherapy contains US,TENS and exercise.10 set of physiotherapy performed. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no further information