Ключевые слова: adult, anatomy, animal arm, animal back, animal body part, animal limb, arm, back, beautiful, beauty, biology, caucasian ethnicity, disciplines, flexing muscles, human arm, human back, human build, life science, light, light effect, male, man, men, muscular, muscular build, natural science, nude, numeral, one person, only male, orthographic symbol, photographing, point of view, posing, rear view, shadow, standing, stretching, studio shot, symbol, tone, torso,