Ключевые слова: active, adult, assisting, athlete, body, care, caucasian, chronometer, clock, closeup, coach, detail, equipment, exercise, female, fit, fitness, flexible, girl, gym, hand, hard, health, healthy, helping, instructor, male, man, motivating, muscular, outdoors, people, personal, position, push, sports, sportswear, stopwatch, strong, time, timekeeper, timer, timing, trainer, training, two, woman, working, workout, young,