Ключевые слова: activity, aerobics, athlete, background, bike, body, building, cardio, care, center, contemporary, cross, elliptical, equipment, exercise, fit, fitness, floor, gym, health, healthy, home, indoors, inventory, leisure, lifestyle, machine, modern, muscle, nobody, object, pedal, physical, power, recreation, rehabilitation, sport, stationary, step, technology, top, trainer, training, view, workout,