A software product and method are disclosed for preventing and treating Repetitive Stress Injuries (RSIs) in computer users. The software product is comprised of an exercise program stored on a storage medium. The exercise program operates with a computer to display images demonstrating a random set of exercises on a computer screen in the following situations. The computer displays the images demonstrating the set of exercises when the computer user selects an icon on the computer screen, when a certain amount of time has passed since the set of exercises has last been displayed, and as a screen saver. The images demonstrating the set of exercises shows the computer user how to perform exercises that are geared to prevent and treat RSIs. The software includes a version that accommodates children, a version that accommodates adolescents, a version that accommodates teenagers, and a version that accommodates adults. Each version includes images that distinctly appeal to the respective age group. The time period between exercise sessions and the screen saver time period are different for the adult's and children's versions.