teen: 12-18 yrs.
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Getting teenagers into the routine of exercising increases the likelihood that they will grow up to value healthy living and stay active. It will take concerted efforts of parents, schools and communities, however, to encounter the many diversions vying for a youngster's time and attention.
A teen’s fitness program should include aerobic exercise such as brisk walking, basketball, bicycling, swimming, in-line skating, soccer, jogging—any continuous activity that increases heart rate and breathing.