Ключевые слова: abdominal muscle, activity, adult, athlete, bicep, body building, boxing glove, caucasian ethnicity, competition, competitive sport, conflict, dark, desaturated, determination, exercising, fighting, fist, front view, generative ai, gym, healthy lifestyle, human muscle, kick boxing, lifestyles, looking at camera, male, masculinity, men, mixed martial arts, monochrome, muscular build, portrait, professional sport, punching, shirtless, sport, sports glove, sports training, strength, torso, toughness, vitality, waist up,