Last month, I bought a big new computer screen, thinking that if I stopped crouching over my laptop like a turtle, my lower back would stop hurting. It worked great — for about 48 hours. Then I started getting searing pains in my neck, which prevented me from turning my head to the right, which then almost got me into a car accident. All because, I eventually figured out, I had positioned my new screen about two inches too high.
About $1 billion a week is spent in the United States to deal with entirely preventable work-related musculoskeletal injuries, many
