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STATUS OF PHYSICAL ACTIVITY bEHAVIORS AMONG YOUTH
This section reviews what is known about the status of physical activity 
behaviors among youth, first for vigorous- or moderate-intensity activ-
ity, next for sedentary or light-intensity activity, and finally for vigorous- or 
moderate-intensity activity during the school day.
Vigorous- or Moderate-Intensity Physical Activity
Vigorous- or moderate-intensity physical activity is important for 
normal growth and development (see Chapter 3), including maintenance 

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Educating the Student Body: Taking Physical Activity and Physical Education to School
Status and Trends of Physical Activity Behaviors and Related School Policies
 
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