Question

Alex works at his computer for several hours a day. He is careful to sit up straight at the computer with his feet on the floor and to keep his muscles relaxed, and stays off his computer after 6 p.m. For what kind of computer-related health problems is Alex still at risk? Select all that apply. (1 point) Responses musculoskeletal problems musculoskeletal problems vision problems vision problems sleep problems sleep problems headache