A physical activity reward system and method which rewards a person performing physical activity with a reward, such as use of an appliance such a TV viewing time. The system includes a physical activity monitor capable of generating activity information proportionate to the amount of exertion or work done. The system may be used to record and keep track of the reward points or information. The system may further control the supply of electricity to an appliance through an electrical control module. The electrical control module may be interposed between a source of household electrical current and an electrical appliance such as a TV set.