Ключевые слова: abdominal, abdominal muscle, abs, adult, athlete, back, biceps, black and white, body building, body building exercises, bodybuilder, bodybuilding, caucasian, chest, fit, flexing muscles, guy, gym, handsome, health and fitness, health club, healthy eating, healthy man, human muscle, indoors, lifestyles, machine, male, muscular build, posing, power, relaxation exercise, sport, sports and fitness, sports clothing, sports training, strength, strong, symmetry, triceps, weight training, young,