Ключевые слова: activity, adult, arm, athlete, athletic, back, bicep, body building, build, caucasian ethnicity, class, closeup, dumbbell, equipment, exercise, exercising, fitness, gym, healthy lifestyle, horizontal, human back, human body part, jogging, lifestyles, male, man, muscular, muscular build, one person, people, power, pump, relaxation, row, running, shoulder, sport, sports training, strength, strong, the human body, torso, training, up, vein, weight, weightlifting, working, young adult,