Ergonomics is the study of fitting a work environment to a worker. This document provides tips for computer users to avoid injury from static posture. It recommends taking 5 minute breaks every hour away from the computer and performing simple stretches for the hands, back, shoulders, neck and at the computer desk to relieve stiffness. Exercises include clenching and releasing fists, shoulder rotations, side-to-side head turns, and back stretches.