The best way to prevent injury is by having strong, flexible muscles and joints that resist strain and injury. The back and neck like movement. Putting the back in a static position for long periods of time, such as sitting at a computer screen for hours, increases the risk of back or neck strain. The best preventive medicine for neck and back strain is movement. Take frequent breaks away from the computer screen to stretch.
Here are some easy stretching exercises for simple neck pain that can relieve simple cases of neck ache. Some can even be used on the job to relieve neck strain.