article exercise 4 human 4 human experiment 4 Exercise 3 controlled study 3 male 3 physical activity 3 Humans 2 Students 2 child 2 female 2 interview 2 major clinical study 2 physical education 2 school child 2 student 2 Academic Performance 1 Child 1 Children 1 Cognition 1 England 1 Executive functioning 1 Female 1 Focus groups 1 Functional MRI 1 Health Behavior 1 Health Knowledge, Attitudes, Practice 1 Health Promotion 1 Intervention 1