Ключевые слова: achievement, active, american football, athletic, caucasian, chronometer, coach, development, exercise, fit, fitness, five people, flexibility, flexible, football, hand, health, healthy, holding, improvement, lifestyle, looking at camera, male, man, measure, mid adult, muscle, muscular, part of, physical, player, progress, real people, sport, sportswear, strength, strong, team strip, timer, toned, training, uniform, white background, woman, young adult,