Ключевые слова: adults, aerobic, african, attractive, background, black, body, caucasian, center, class, colorful, condition, curly, exercise, exercisers, exercising, female, fit, fitness, form, girl, group, gym, headset, health, healthy, horizontal, indoor, inside, instructor, leading, lifestyle, microphone, people, physical, practicing, recreation, shaping, sport, sportswear, sportswomen, stepper, team, train, trainer, training, wellness, women, young,