Layne Norton, PhD

speaker

251 appearances 1 recordings 1 series first heard Feb 2026 last heard 10 Feb

Layne Norton, PhD’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Feb 2026 with 1.

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The Dr. Gabrielle Lyon Show · How to Eat for Strength, Metabolism, and Longevity · 10 Feb 2026 podcast

With training, I think some of the biggest myths that are out there is there's like, you know, rep ranges is one that you, you know, that there's, you know, magical rep ranges.

Another one is that, you know, there are certain movements that, you know, produce way more muscle growth than other movements.

And the reality is like, there are some subtle differences.

Like if we look at, for example, isolation movements versus compound movements,

I'm thinking about squats first, a study looking at squats on Smith machine versus leg extensions.

And they showed overall in the quadricep similar amounts of growth, basically the same amount of growth.

But regionally, the leg extensions produce more growth of the rectus femoris, which is kind of that middle muscle in your quadricep.

And the squats produce a little bit more growth in the vastus lateralis.

Now, they weren't huge differences, but it's worth noting.

And again, variety is the spice of life.

So I would say like there aren't necessarily like magic exercises, but you are probably best off doing a combination of compound lifts that move multiple joints for a given exercise, as well as isolation exercises.

But, you know, the myth that like high reps tone and, you know, that's been around for God knows how long, ever since people got into lifting weights and that low reps make you bulky.

That's that's it's just absolute nonsense.

What makes you look bulky is body fat.

Body fat is what makes you look bulky.

Now, if you have a lot of muscle and a lot of body fat, you will look bulkier.

But body fat is what really makes you look bulky.

And, you know, I think I really feel like, you know, women like you and the people out there that are doing good work.

And the worry about women becoming too muscular, I think, has been tamped down.

You know, even with men, I'll meet someone like, oh, I don't want to get too muscular.

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