Ключевые слова: 30s, activity, adults, american, bicycle, bodybuilding, cardiovascular, caucasian, class, clothing, club, cycling, cycloergometer, european, exerciser, exercycle, female, fitness, girl, group, guy, gymhall, having, healthy, intensive, interior, lesson, lifestyle, machine, male, moving, out, people, person, positive, racers, slim, smiling, sportive, stationery, together, train, wellness, working,