Ключевые слова: abdominal, abdominal muscle, abs, adult, athlete, black and white, body building, body building exercises, bodybuilder, bodybuilding, caucasian, fit, flexing muscles, guy, gym, handsome, health and fitness, healthy eating, human muscle, indoors, male, man, model, modern, muscular build, posing, power, six pack, sport, sports and fitness, sports clothing, sports training, strength, strong, triceps, wall, weight training, young man,