Either of these will explain the importance of physical activity for children.
Your child will benefit from developmentally appropriate physical activities he enjoys. Physical activities that can be sustained throughout life are ideal (for example, walking, hiking, biking, skating, dancing, and swimming).
What Fitness Can do for Your Children
New research suggests that children do better academically when their bodies are fit. Whether your kids are learning their ABCs or studying for the SATs, adding more physical activities to their schedules could help them on the path to success. Studies show that through its positive effects on alertness and mental health, such as increases in self–esteem and reductions in anxiety and stress, physical activity may actually increase a child’s capacity to learn.