Q: I totally get the idea of Power-Density for more muscle size, and I notice that some of the top bodybuilders use that type of mix. I’m not sure how X Reps fit in, though. Is a set with X Reps more power or density? And why are they so great? Aren’t they just a few short-range movements at the end of a set?
A: Considering the studies that show the biggest bodybuilders’ muscles are jam-packed with type 2A fibers, the ones with both power and endurance (density) capabilities, all bodybuilders should be using both types of sets (and X Reps can help, as you’ll see). [Read more…]