Exercise therapy is the first choice of treatment in the treatment of subacromial shoulder pain (SSP). Guidelines suggest exercise therapy for at least three months and research underlines the importance of progressive loaded exercise therapy at high dosage. However, it is not clear which is the best type of exercise and if pain should be provoked or avoided during exercise. Recent research found that painful exercises are beneficial in short term on pain and function in patients with different kinds of chronic musculoskeletal pain. The aim is to investigate if one painful exercise can give better and faster results in the management of SSP than non-painful program.
The aim of the randomized clinical trial is to investigate if exercising into pain gives better results in term of clinical outcomes compared to a non-painful exercise program.