Ключевые слова: active, adult, athlete, athletic, chronometer, clock, coach, energy, exercise, female, fitness, handsome, health, healthy lifestyle, instructor, leisure, male, man, measurement, millennial, muscluar, nature, outdoor, outside, park, people, personal trainer, physical, recreation, run, speed, sport, stop watch, stopwatch, stretching, time, train, trainer, two, vitality, woman, workout, young,