Background: Shoulder pain is the third most common musculoskeletal condition presenting to physicians or physiotherapists ) in primary healthcare after low back and neck pain being a significant cause of morbidity and functional disability in both working and general population. Despite the large group of individuals seeking for primary care services, about 50% of patients with shoulder pain still report persistent pain after 12-18 months. As a result, socio-economic burdens are considerable due to extensive use of heath care services, sickness absence, disability pension, and loss of productivity as well as, patient´s suffering.