Ключевые слова: 20s, agility, alertness, american football, american football player, athlete, ball, bending, black background, blue, competition, competitive sport, determination, football player, headwear, helmet, holding, isolated, looking down, male, man, mixedrace, padding, placing, playing, protection, safety, shoulder pad, skill, sport, sports clothing, sports helmet, sports uniform, sportsman, strategy, team sport, young adult,