Ключевые слова: 20s, abdomen, active, activity, athletic, back, balance, body, care, caucasian, exercise, female, fit, fitness, flexibility, gym, health, healthy, indoors, jogging, legs, lifestyle, machine, muscle, muscular, people, physical, running, slimming, sport, sportswear, stretch, stretching, toned, trainer, training, treadmill, wellness, woman, women, workout, young adult,