Q: In your X-Rep Update #1 e-book you discuss a study that produced a three-pound muscle gain after only one workout with static-contraction sets. Do you think that’s true, that much muscle after only one workout? And if so, should I do most of my sets just holding the weight statically?

A: The researchers used the most sophisticated body-composition-measuring device available at the time, known as a BodPod, so we have no reason to doubt their results. Subjects did a full-body workout that consisted mostly of one static-contraction set for each muscle and then rested for 14 days. Most gained muscle, and one subject packed on an amazing three pounds of muscle from that one workout, but…

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