Ключевые слова: activity, athlete, boy, caucasian, cheerleader, cheerleading, competition, competitive sport, exercise, flexibility, flexible, game, girl, group, gymnastics, healthy lifestyle, lifestyles, man, nature, outdoors, performance, performer, practice, school, sport, sports clothing, sports team, sports training, sports uniform, summer, team, teamwork, teenage girls, teenager, together, training, trick, uniform, vertical, woman, young,