Well... Of the top of my head: use a proper keyboard, use all of your 10 fingers, code in a proper body position. Hands should be in a natural position most of

Well... Of the top of my head: use a proper keyboard, use all of your 10 fingers, code in a proper body position. Hands should be in a natural position most of the time. Standard laptop keyboards and mice are a crime against one's hands, it's generally better to replace 'em with something ergonomic. I did boxing as a university sport. That was the worst choice possible: I developed early-stage osteoarthritis.