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Lab Notes

How any of this actually works.

The Lab Notes

Everything we do here, explained. No held-back secrets and nothing you have to buy to understand it. If you want to run this yourself, these pages tell you how.

The Basics · 5 min read

How your muscle actually works, and why most of your reps build nothing

Your muscle is thousands of separate bundles, and your body refuses to use the big ones unless it has to. There are exactly three ways to force them on.

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