Many of us spend the majority of our working hours sitting behind a desk staring at a computer screen. We know that repeating this day in and day out can result in some damaging side effects over time. An easy way to prevent aches and pains is to take frequent breaks.
Nothing ruins a creative groove more than realizing you can't draw a straight line anymore because your wrist keeps cramping. Or you can't get comfortable in your chair because your back is sore. Or you can barely turn your head because you've got a crick in your neck.