S13 EP23: Muscle Memory and The Truth About Losing Strength (It’s Not What You Think)
The Thick Thighs Save Lives Podcast
Constantly Varied Gear
4.9 • 724 Ratings
🗓️ 21 April 2026
⏱️ 48 minutes
🧾️ Download transcript
Summary
Good news! We’ve got some answers on the real science of muscle memory. You’re not starting over and you didn’t wreck it all again! You took some time off…and it’s O.K.
If you’ve ever said ‘I’m back to square one’ after time off…this episode is going to change the way you see your body forever. What if we told you your body never actually forgets the work you’ve done? Would you believe us? In today’s episode, we explain why “starting again” isn’t necessary and how your body will adapt quickly.
You don’t need to make up for lost time, so stop punishing yourself for the gap. Your progress isn’t erased. And no past workout was a waste of time. Your body didn’t forget you. Your gains are just waiting patiently for you to return and need them again.
How is this possible?
In this episode, we dive into what actually happens inside your muscles when you train, stop, and start again. We talk about:
Why it takes so long to build strength the first time
The truth about muscle atrophy vs. muscle memory
What “starting over” really means
How strength training creates lasting biological changes
Why resistance training matters more than you think
How to reframe your mindset and ditch the shame around time off
If you’ve ever thought, “I used to be stronger…” this episode will give you the hope (and science) to get you back in the game.
(00:01:00) We all have to ride our own beauty.
(00:05:30) The postpartum strength realization
(00:10:45) What muscle memory actually means
(00:13:54) The “starting over” mindset trap
(00:18:58) What actually happens inside your muscles when you train
(00:23:51) Why you don’t lose everything after time off
(00:28:00) The squat example: rebuilding strength faster
(00:34:53) Why you’ll never be THAT sore again
(00:38:02) Why starting again is easier than you think
(00:42:43) Why even 2–3 days/week still matters
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Transcript
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| 0:00.0 | Why did it initially take me so long and so much work at the outset? |
| 0:07.7 | But now that I have it, how come I don't have to work as hard to maintain it? |
| 0:12.5 | We've got some answers on the science of muscle memory. |
| 0:16.2 | This is going to change the way that you see your body and the way that you see the starting over, |
| 0:23.2 | quote unquote. |
| 0:24.6 | Once you start training your muscles to adapt to more difficult conditions, they... |
| 0:33.6 | You look at all of the reasons why you're inadequate and why you're falling short and why |
| 0:37.4 | you were so much better before. |
| 0:39.6 | And what I want to introduce is looking at that body with, you know what you're doing. |
| 0:44.2 | You're like, oh, I was so fit. |
| 0:46.5 | I was so strong. |
| 0:47.6 | I was so. |
| 0:48.3 | And then I wrecked it all. |
| 0:50.3 | But you didn't. |
| 0:55.8 | Hi, guys. Welcome back. |
| 0:57.8 | I am Rachel. |
| 0:58.5 | It's the Thick Thighs Save Lives podcast. |
| 1:01.4 | We are here. |
| 1:02.7 | We are excited. |
| 1:04.2 | Kelsey, did you eat lunch? |
| 1:07.0 | I did eat lunch, yeah. |
| 1:08.2 | All right. |
... |
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