Ключевые слова: agility, american, athlete, athletics, bounding, boy, cones, coordination, cross, drills, education, equipment, examination, exercise, female, field, fitness, flexibility, form, green, high, hurdles, jumping, learning, outdoor, outdoors, over, play, player, plyometrics, power, practice, running, school, speed, sport, sports, sprinting, strength, student, students, sunny, teenager, thai, thailand, track, training, turf,