An image from the film "Generation Iron."
In 1977, the documentary "Pumping Iron" introduced moviegoers to the world of bodybuilding.
The film showcased the events leading up to the 1975 Mr. Olympia competition, focusing on then 5-time champ Arnold Schwarzenegger and future Hulk Lou Ferrigno.
A lot has changed since then, as Americans have become more interested in fitness and exercise. But what about bodybuilding?
"Generation Iron" is a new film from director Vlad Yudin. It follows a new generation of bodybuilders in their quest to be crowned Mr. Olympia. We're joined by the film's director Vlad Yudin.