Ключевые слова: 30s, 55s, active, adult, aerobics, american, athletics, austrian, ballet, barre, body, britain, canadian, caucasian, class, dance, equipment, european, exercise, female, fit, fitness, fourth position, french, german, girl, group, gym, gymnastics, health, healthy, lifestyle, pilates, shape, slim, sport, sportswear, stretch, training, wellness, woman, workout, young,