The Musclemania World Bodybuilding Championships in Hollywood, California brings physique stars from across the globe to compete in one of the most recognized bodybuilding contests in the world. You'll see new muscle champions from Europe, Asia, Australia, Canada and the USA. This Pump Room Part One video is a behind-the-scenes look at bodybuilders in the Juniors (under 22 years old) and Masters (over 40 years old) classes. You'll get an up-close and personal look at these men as they pump up, oil down, practice posing and get ready to take the stage. Our cameras take you in closer than you ever thought possible by capturing these amazing physiques in awe-inspiring detail and definition.