Abstract Background Chronic rotator cuff pathology (CRCP) is a common shoulder condition causing pain and disability. Physiotherapy is often the first line of management for CRCP yet there is little conclusive evidence to support or refute its effectiveness and no formal evaluation of its cost-effectiveness. Methods/Design This randomised. double-blind. https://parisnaturalfoodes.shop/product-category/magnesium-bis-glycinate-300-ultra-gentle/