Analyzes why so many adults are inactive by examining how children are introduced to physical activity, focusing on two behavioral principles that are germane to turning children on to physical activity (fun and self-worth), reviewing practices that violate these principles, and speculating about why the principles get violated. (SM)

Future physical activity practitioners need to be educated to be sensitive to the problem of socioeconomic inequality and motivated to contribute to social change. Direct community development experiences in low-income urban neighborhoods and rural areas can help raise consciousness, encourage reflection, and promote action for social change. (SM)

Certain risk factors for cardiovascular disease may be modified in childhood. The paper discusses high blood cholesterol, obesity, physical inactivity, smoking, and high blood pressure, noting that risk factor education and modification can occur at home, school, or the doctor's office. (Author/SM)