What Actually Happens to a Woman’s Body When She Starts Lifting

I told you last time I’d come back and actually explain the “bulky” thing instead of just telling you not to worry about it. So here’s the real version — read that first post here if you missed it.

Let’s start with the biggest reason the fear doesn’t hold up: testosterone.

It’s the hormone mostly responsible for the kind of large, dense muscle growth people picture when they hear “bulky,” and women simply have a fraction of what men have naturally — somewhere in the range of 10 to 20 times less!!

The women you’ve seen with that heavily muscled, competitive-bodybuilder look got there through years of very specific, very deliberate training and eating built around that exact goal.

It’s not something that happens by showing up to a strength class twice a week.

Here’s what actually happens instead, and it happens slower than you’d think.

The first few weeks, almost nothing changes about how you look. What changes is how much you can lift — your nervous system gets better at recruiting the muscle you already have, so the weight on the bar goes up before your body visibly does.

It’s only after that, over months, that you start building real muscle tissue, and even then it’s gradual. (We use our Evolt360 body scanner to track this progress).

You’re not going to walk into class on a Tuesday and walk out “bulky” on Thursday. It doesn’t work that way for anyone.

What does change, over time, is worth naming: you get stronger, obviously, but also your bone density improves — which matters more for women than almost anyone talks about, since bone loss accelerates for women earlier in life than most people realize. (again tracked with our Evolt360 body scanner).

Your body composition shifts too — more muscle, often less fat, which is usually what people actually mean when they say they want to “tone up.” Tone isn’t a separate thing muscle does. It’s just muscle, under less fat, held by better posture. (tracked by our body scanner.)

And worth mentioning as well: what doesn’t happen is that your muscle doesn’t turn into fat if you stop lifting for a while — they’re different tissue types, one doesn’t become the other, no matter what you’ve heard. And you can’t out-squat your way to losing fat from one specific spot. That’s not how any of this works, for anyone, regardless of gender. (hint hint: nutrition is a HUGE factor in this!)

So if the only thing standing between you and the weight room was a fear that isn’t actually how your body works — that’s one less reason to stay out of it.

We’re on the floor Tuesdays at 5pm and Saturdays at 9:30am. Women only lifting. Or check out our group classes and programming where we lift 4 out of the 6 days a week.

Come see what actually happens.

-Coach Amanda

PS – men can connect with us to learn about what else we have to offer!