Aimed at professionals in schools, health authorities, leisure centres and other organisations interested in promoting physical activity in young people, this book provides strategies for designing and implementing youth physical activity programmes in a variety of settings. It describes how to change sedentary behaviour and encourage active participation at home, school and in the community. It examines the role of physical activity in preventing such long-term health issues as obesity, diabetes, heart disease and high blood pressure. Professionals from a variety of fields will learn the tools necessary to design, implement and assess physical activity programmes for young people.