Q: I’ve been using an X-centric set [lift in one second, lower in six] for every muscle and have noticed more cuts, veins, and I’m pretty sure more muscle size. I usually use it on the last set of a 4X sequence, but I’ve heard it’s better on the first set to get more of a warmup. Which is better, the X-centric set on the first or last set of 4X?

A: In a previous newsletter, we outlined how to use an X-centric set on the last set of a 4X sequence with The Ultimate Fat-to-Muscle Workout. We showed a lat routine with 4X on the first exercise.

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