Look straight ahead. When sprinting, you can use the motion of your arms to help you sprint faster. You should keep your shoulders and arms relaxed during any type of running; many runners hunch their shoulders, drawing them up towards the ears.Tension of this sort in the shoulders causes muscle pain and slows you down.rop your shoulders away from your ears and keep your hands open with the fingers curled slightly. Allow your arms to move back and forth in rhythm with your legs. Your arms should be moving back and forth in a straight line. Side to side movement slows you down.