Ключевые слова: 25s, activewear, activity, american, athletic, ball, casual, caucasian, competitive, concentration, court, czech, dynamic, emotions, energetic, equipment, european, hobby, hungarian, interacting, interest, male, man, motivation, net, occupation, pastime, play, positive, racquet, real, receiving, recreation, shot, sporting, stroke, team, tennis, white, workout, young,