This study examined if accelerometer-based assessments of physical activity were responsive to changes in physical activity level commensurate with performing structured versus unstructured activity in youth. Youth (6-16 years; N = 206) participated in a simulated after-school program that included structured and unstructured games on four…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children--more than a quarter of children--are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their afternoons. The 2009 report, conducted…

Each afternoon across the U.S., 15 million children--more than a quarter of children--are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their…

Each afternoon across the U.S., 15 million children--more than a quarter of children--are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their…

Each afternoon across the U.S., 15 million children--more than a quarter of children--are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their…

Each afternoon across the U.S., 15 million children--more than a quarter of children--are alone and unsupervised after school. The parents of 18 million would enroll their children in an afterschool program, if one were available. These are some of the key findings from the nation's most in-depth study of how America's children spend their…