Ключевые слова: adult, athlete, athletic, background, balance, body, bodybuilder, bodybuilding, caucasian, concept, equipment, exercise, extension, fit, fitness, flexing, gym, hand, healthy, human, indoors, leg, legs, lifestyle, machine, male, man, model, muscle, muscles, muscular, one, people, person, power, press, silhouette, sitting, sport, strength, strong, tank, train, training, triceps, white, working, workout, young,