Ключевые слова: active, aerobic, aerobics, athlete, athletic, ball, birthing, body, club, coach, equipment, exercise, exercising, explaining, female, fit, fitball, fitness, gym, health, healthy, instructor, lifestyle, male, man, mat, personal, physical, physio, physioball, pregnancy, pregnant, recreation, relaxing, shape, showing, sport, sports, sportswear, stability, stretching, swedish, swiss, trainer, training, wellness, woman, workout, yoga, young,