Teen Cardiorespiratory Fitness Declines
Teens — especially adolescent girls — are becoming less fit from a cardiorespiratory standpoint, according to 2012 data reported in a recent National Youth Fitness Survey.
The percentage of youth ages 12-15 who had adequate levels of cardiorespiratory fitness decreased from 52.4 percent in 1999-2000 to 42.2 percent in 2012.
A higher percentage of boys ages 12-15 — 50.2 percent — had adequate levels of cardiorespiratory fitness compared with girls of the same age (33.8 percent).
Researchers observed a similar pattern for youth ages 12–13 and 14–15. In both age groups, a higher percentage of boys than girls had adequate levels of cardiorespiratory fitness.