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…

Examines risk factors for osteoporosis that are especially relevant to the college health setting, focusing on bone development, inadequate calcium and vitamin D intake, cigarette smoking and alcohol use, steroid use and high protein diets, and physical inactivity and excessive exercise. Also presents intervention strategies for college health…

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)