“…Exercises performed were very heterogeneous across studies. In 6 RCTs, the intervention was mainly strengthening exercises (18,19,22,24,26,35,36,40), in 3 RCTs, it was stretching exercises (32,33,37) and, in one RCT, stabilization exercises for the trunk and shoulder were performed (27). Two RCTs reported results from a group of workers performing whole-body exercises, including aerobic, general strengthening and endurance, stretching and stabilization exercises not specific to the shoulder region or the upper extremity (25,30).…”