Ключевые слова: adult, athlete, attractive, back double biceps, biceps, body, body builder, body building, bodybuilder, caucasian, energy, exercise, exercising, fit, flex, flexing, guy, gym, healthy lifestyle, heavy, holding, human, human muscle, isolated, lifting, low body fat, macho, male, man, masculine, masculinity, muscle, muscular, muscular build, one person, person, physique, portrait, potrait, sexy, shirtless, showing, sport, strength, strong, the human body, torso, trainer, training, vascular, weight, workout, youth,