Exercise and physical activity in all forms are an important part of life, and can have lasting mental and physical health benefits. Promoting Physical Activity and Fitness provides critical insights in the field through clear and evidence-based information on how to evaluate, train, and foster physical activity and fitness in individuals with childhood-onset disabilities safely across the lifespan. The authors respond to specific needs to enable many people to lead more physically active lives. Themes include physical fitness and activity assessment and training, safe engagement, measurement of activity levels and progress, responses to pain, and information relevant to specific diagnostic groups. Diverse, complex subjects are presented in an accessible and engaging way.