['Subacromial impingement syndrome is the most common indication for shoulder operation. However, exercise therapy for the conservative treatment is recommended in the first instance.', 'To evaluate the implementation of exercise therapy in impingement syndrome.', 'Retrospective study using structured postal questionnaire and data collected from hospital archive.', 'A total of 104 consecutive patients who had undergone shoulder surgery due to impingement syndrome. Patients were asked about therapy modalities that they had received before and after the operation as well as pain (VAS) and functional impairment (ASES) at one-year follow-up.', 'Before surgery 49% of patients had not received advice for shoulder muscle exercises. After operation all patients had received mobility exercises, but one quarter of patients still reported that they had not received instructions about shoulder strength exercises. At the follow-up the means of the ASES index was 85 and use of NSAID had decreased by 75%. However, 15% of patients had moderate functional impairment (ASES under 60).'] Is exercise therapy evidence-based treatment of shoulder impingement syndrome . Current practice or recommendation only?