Ключевые слова: 1516, 2025, 20s, 6065, 60s, action, activity, aged, american, balance, caucasian, class, elderly, european, exercise, female, fit, flexibility, group, gym, gymnastics, health, hobby, indoors, instructor, lifestyle, mats, motivation, outfit, pilates, practicing, relaxation, softball, sportswear, sporty, stretch, studio, team, teen, teenager, three, together, training, vitality, woman, young,