Q: Your 4X Mass Workout e-book is one of my favorites, but I’m not sure using 4X at every workout will produce maximum mass for me. As you say in The Ultimate Power-Density Mass Workout, a muscle needs both density and power to grow to its biggest at the fastest rate possible. To me, 4X feels like more density because I fatigue very quickly. Then the muscle feels worthless on the next exercise. I’m thinking about using the Ultimate Power-Density Mass Workout that includes both 4X [short rests] and power sets [with longer rests]. Are there any adjustments you would suggest?

A: The Ultimate Power-Density Mass Workout is great for building size and strength (4X is primarily for muscle size). As you said, the Power-Density Mass Workout is a mix of straight power sets, 4X sequences and drop sets. For example, here’s the biceps routine from the full-range Positions-of-Flexion workout in that e-book: [Read more…]