 The main exclusion criteria will be: Active or recurrent peptic gastric or duodenal ulcer, history of peptic ulcer or gastrointestinal bleeding, history of other bleeding disorders other than gastro-intestinal, concomitant treatment with anti-coagulants, lithium, other NSAIDs including aspirin doses 150 mg or corticosteroids, local injections of steroids in the affecting shoulder six months previous, presence of any form of crystal, destructive, infectious or inflammatory arthropathy, osteonecrosis, previous shoulder surgery in the affected side, adhesive capsulitis, cervical radiculopathy, severe renal, cardiac or hepatic failure, uncontrolled hypertension, pregnancy or breast feeding, confined to bed, planned hospital stays or surgical procedures during the trial, planned surgical intervention of the affected shoulder during the trial, alcohol or drug abuse and inability to comply with the protocol. 