Examines motivational foundations of exercise behavior, presenting a theoretical model in which motivation is the proximal precursor of exercise, which is determined by perceived constraints and situational facilitators. The paper explores the role of cognition versus automaticity in exercise behavior and examines habit versus routine, presenting…

Reviews factors that led to the issuance of official pronouncements on the health implications of physical activity by various prestigious scientific and medical societies, summarizing several statements. Emphasis has shifted from endorsing structured exercise to supporting public health interventions to promote physical activity through…

Presents an update on the Year 2000 objectives for the nation that establish targets in 22 priority areas. The article offers information from a study on exercise by the President's Council on Physical Fitness and Sports, reviews Healthy People 2000 data, and lists Year 2000 physical activity and fitness objectives. (SM)

This article provides background information on heart transplantation in general, focusing on pediatric heart transplantation and offering suggestions for teachers regarding the unique concerns of students with heart transplants (exercise, physical appearance, immunosuppressive medications, transplant rejection, infection, and psychological…