Ключевые слова: action, adult, athlete, back, beautiful, beauty, body, body building, caucasian, effort, exercising, flexing muscles, hand, healthy lifestyle, human muscle, lifestyles, male, male beauty, man, masculinity, muscle, muscular build, naked, one person, posing, power, relaxation exercise, sex symbol, shoulder, sport, sports training, strength, the human body, toughness, vitality,