Ключевые слова: action, activity, athlete, ball, build, caucasian ethnicity, competition, competitive sport, concentration, court, determination, exercising, females, game, gymnasium, healthy lifestyle, hitting, leisure activity, leisure games, lifestyles, males, man, match sport, men, motion, net sports equipment, one person, outdoors, people, playing, playing field, practicing, professional sport, racket, recreational pursuit, rivalry, serving sport, sport, sports clothing, sports team, sports training, stadium, team, teamwork, tennis, winning, women, young, young adult, young men,