Ключевые слова: active, adult, aerobics, athlete, athletic, balance, ball, body, caucasian, cheerful, class, confident, core, equipment, exercising, female, fit, fitness, friends, group, group training, gym, halfball, healthy, heavy, horizontal, indoor, lifestyle, loss, male, man, motivation, muscle, outfit, people, physical activity, slim, smile, sport, sportswear, squats, team, teamwork, training, weight, women, workout, young, young adult, youth,