Ключевые слова: abdominal, abdominal muscle, abs, adult, aerobics, athlete, body building, body building exercises, body conscious, bodybuilding, caucasian, chest, exercise machine, exercising, fit, guy, gym, handsome, health and fitness, healthy lifestyle, human muscle, indoors, lifestyles, male, man, model, muscular build, picking up, power, relaxation exercise, sport, sports and fitness, sports clothing, sports training, strength, strong, the human body, waist, weight training, well being, young man,