Ключевые слова: activity, and, athlete, back, backache, ball, bending, caucasian, clothing, competition, competitive, concepts, court, expressing, expression, facial, fitness, frustration, games, grimacing, human, ideas, injury, leisure, lifestyles, male, man, negativity, one, only, outdoors, outfit, pain, physical, pursuit, racket, recreational, shadow, silhouette, sport, sports, standing, sunlight, tennis, touching,