Ключевые слова: 10 years old, 1013, 10s, 912, active, adolescent, american, athlete, athletic, attacking, boy, briton, caucasian, defense, european, female, fighter, french, german, girl, gym, inside, intense, jabbing, karate, kids, legs, male, martial arts, mixed martial arts, movement, moves, pair, powerful, punch, punching, russian, self defence, sparring, sport, stamina, strong, toned, workout, young, youth,