The USA's top bodybuilders converge in Las Vegas for an unforgettable weekend of non-stop muscular competition. USAMuscle Video is there to bring you exclusive and all-access video coverage of one of the year's most highly-anticipated contests. This Pump Room Part 3 video features heavyweight and super-heavyweight bodybuilders pumping up, oiling down and practicing their poses before hitting the stage. Filled with mind-blowing close-ups, this video is your backstage pass to all the muscle action! • 1 hour 37 minutes