Eli5: Lifting more weight without building more muscle

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Bit of a weird question. How is it that that people gain strength without getting relatively bigger or more muscle.

Imagine I can bench 100kg or 225lb for a 1 rep max. Now imagine I train hard and now can lift the same weight for 3 reps.
Its unlikely your muscles have gotten three times bigger.

What has actually changed in the body to enable this?

In: Biology

9 Answers

Anonymous 0 Comments

You’re not really. You really can’t build muscle or strength without the other. You can definitely prioritize one though and build a lot more strength than muscle. Basically it’s this.

Think of muscles as factories that produce strength. When you build muscle, you’re building more factories and making your already existing factories bigger. But each of these factories are very inefficient. Lifting is a skill. There’s also training your central nervous system, lifting cues and a whole bunch of other stuff powerlifters focus on. This is basically the equivalent of making those factories more efficient at producing strength.

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