Q: You guys have contributed so much to my ability to build lots of muscle. I want to thank you. X Reps are fantastic. Positions of Flexion is great; I build most of my workouts around that full-range principle. You’ve also created 4X and negative-accentuated [X-centric] training. So what do you think is the best of the bunch, your #1 mass-building discovery over the years?

A: Out of all of our mass-building tactics, X Reps are probably the easiest to apply. Well, maybe “easiest” is the wrong word because when you use them correctly, X-Rep partials at the end of a set are brutal—they hurt, but they work. X Reps make any set three to five times more effective at packing on mass… [Read more…]