Some of the most common injuries in construction occur when workers lift, stoop, kneel, twist, grip, stretch, reach overhead, or work in other awkward positions to perform a task. These musculoskeletal disorder (WMSD) injuries can include back problems, carpal tunnel syndrome, tendinitis, rotator cuff tears, sprains, and strains.

Full article: Does your construction company need an ergonomics program?
Source: Safety Best Practices