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Active transport:
Modes of transportation to and from school that 
involve physical activity; includes primarily walking and biking.
Classroom physical activity:
Opportunities for physical activity inte-
grated into classroom lessons.
Developmentally appropriate physical activity:
Physical activi-
ty that meets/includes the following criteria: (1) an orderly sequence 
of motor skills learning, (2) provisions for individual differences, 
(3) appropriate goal structures, and (4) ample learning time.
Exercise:
Planned, structured, and repetitive activity designed to target 
a particular outcome (e.g., a component of fitness).