teen: 12-18 yrs.
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.
Children vary greatly in size during pre-adolesence and adolescence. Physical aspects of youth play a strong role in their ability to participate in sports and exercise.