Ключевые слова: adults, aerobic, attractive, background, black, body, caucasian, center, cheerful, class, colorful, concept, condition, curly, exercisers, exercises, exercising, female, fit, fitness, girls, group, gym, health, healthy, horizontal, indoor, inside, instructor, lifestyle, people, physical, recreation, shaping, sport, sportswear, stretching, team, teamwork, together, top view, train, trainer, training, wellness, women, young,