Documentary centering on the world of men's bodybuilding in 1977. "Pumping Iron" captures the punishing training and self-discipline it takes to transform an average body into a prize-winning specimen. The film focuses on Arnold Schwarzenegger (in his pre-movie star days) as he prepares to compete in the Mr. Olympia and Mr. Universe pageants. His main competitor: TV's "Incredible Hulk", Lou Ferrigno.