If your forearms are angled upward while you’re typing, you could be at risk for Carpal tunnel. Your forearms, wrists and hands should be parallel to the floor or slightly lowered. If not, tension will build in the tunnel at the middle of your wrist at the palm of your hand, according to Oswald. If your wrists are tense, try this stretch: Place your hand out in front of you, turn your palms facing upward, and with the other hand, grab your fingers and pull them down so you are stretching the back of your hand toward you; hold for 30 seconds. You could also turn the palm down and pull fingers downward to get the back of the forearm.