Ключевые слова: aerobics, athlete, athletic, back, body, calories, cardio, cardiovascular, close, closeup, doing, energy, equipment, exercise, exercises, feet, female, foot, girl, gym, heart, horizontal, indoor, jogging, lady, leg, legs, lifestyle, lose, motion, person, physical, running, shoes, simulator, slender, sneakers, sports, track, trainer, treadmill, unknown, up, walking, weight, white, woman, workout, young,