Ключевые слова: active, american, back, body, britain, caucasian, center, centre, class, cobra, concentration, course, elderly, energy, europe, exercise, female, fitness, france, germany, group, gym, gymnastic, health, lifestyle, lower, male, man, mature, middleaged, old, pensioner, people, pilates, practicing, press, pump, relaxation, retiree, sport, sportive, stability, studio, together, toning, training, woman, young,