Ключевые слова: adult, athlete, attractive, back, beauty and health, biceps, body, body builder, body building, bodybuilder, caucasian, chinups, energy, exercise, exercise for back, exercising, fit, fitness, flex, flexing, guy, gym, healthy lifestyle, heavy, holding, human, human muscle, lifting, male, man, muscle, one person, physique, shirtless, shoulder, sport, sports and fitness, strenght, strong, training, workout, young,