Ключевые слова: abdominal, active, activity, athlete, athletic, back, balance, bench, body, caucasian, equipment, exercise, exercising, female, fit, fitness, floor, girl, gym, health, healthy, indoors, mat, muscle, muscular, people, person, physical, pilates, power, situps, sport, sportswear, strength, strong, training, weight, woman, wooden, workout, young,