“…More than a third of adolescents in grades 9 to 12 do not regularly participate in vigorous physical activity (Grunbaum et al, 2004; National Association for Sport and Physical Education & American Heart Association, 2006). Whereas, over 11% of the more than 15,000 high school students surveyed for the 2003 National Youth Risk Behavior Survey, reported no moderate to vigorous physical activity (Grunbaum et al, 2004). Overall, among high school students, males are more physically active than females (Grunbaum et al, 2004; National Association for Sport and Physical Education & American Heart Association, 2006).…”