During adolescence, sports participate in the balance and vitality. Several studies have shown that athletes teens have a better image of themselves. Conversely, few teens physically active or who are too fat or too thin, are more prone to anxiety or behavioral disorders. It would be a shame considering that the sport adolescence can become a significant discipline. It keeps incomparable virtues (coordination, motor skills), educates to autonomy, respect for rules. TeenFit is the course where teens are! This course allows them to break free from all tensions and above all to have fun!