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