Ключевые слова: 5560, 6065, active, aerobics, aged, american, caucasian, class, club, coach, elderly, exercising, female, fitness, flexibility, floor, group, gym, healthy, indoor, leisure, lifestyle, mat, mature, motion, motivated, physical, pilates, position, posture, practice, relax, senior, soft ball, softball, sport, sportswear, stretching, studio, tension, trio, wellness, woman, workout,