摘要
In 2009,Professor Steven Blair predicted that physical inactivity would be the greatest public health issue of the 21st century.~1 A public health problem is one that affects the health,function,and well-being of a large number of people.
作者简介
Barbara E.Ainsworth,Guest Editor,E-mail address:barbara.ainsworth@asu.edu;Fuzhong Li,Guest Editor,E-mail address:fuzhongl@ori.org;J.Larry Durstine,Guest Editor,E-mail address:LDURSTIN@mailbox.sc.edu。