Ep 373 - Does Bone Predict Hypertrophy?
Iron Culture presented by MASS
The MASS Crew
4.8 • 874 Ratings
🗓️ 22 April 2026
⏱️ 90 minutes
🧾️ Download transcript
Summary
This episode begins with a discussion about the importance of scientific rigor in fitness research and science communication. After that, hosts Eric Trexler and Eric Helms discuss the relationship between skeletal structure and muscle growth, including whether or not your bone structure can predict how much muscle you gain in response to training or your maximum level of muscularity.
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Chapters
00:00 Intro
11:19 Expert Creep and Science Communication
21:22 Responsibly Expanding Your Domain of Expertise
31:42 Exploring Bone Structure and Muscle Growth
32:51 Study Overview: Bone Characteristics and Hypertrophy
41:13 Interpreting the results of a new study
47:50 Methodological nuances
58:30 Hypertrophy versus total muscularity
01:02:48 Finding the right sport for your frame and bone structure
01:12:23 Practical applications
Transcript
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| 0:00.0 | What's up, everybody? Welcome back to Iron Culture presented by the mass research review. |
| 0:09.5 | I'm Eric Trexler, joined as always by the Dr. Eric Helms. Helms. How are you doing this morning? |
| 0:14.9 | I'm doing well. Thank you for acknowledging our different time zones. And I think that shows some |
| 0:19.7 | personal growth and a little less, you know, maybe American-centric zones. And I think that shows some personal growth and a little less, |
| 0:22.3 | you know, maybe American-centric view. And, you know, some will see that as a loss. I see it |
| 0:28.2 | as an important, at least for my own personal validation, you know, acknowledgement. So I appreciate |
| 0:35.0 | you. Well, speaking of personal growth, I am podcasting with a fresh pump at the moment. |
| 0:41.6 | I am hitting the gym hard as of like five days ago. So if I look fundamentally different, |
| 0:49.7 | it's because as far as I can tell, I've probably gained 10 pounds of muscle in the last five days. |
| 0:54.9 | Trex, you have derailed the whole episode. |
| 0:57.6 | Now what we're going to talk about is how excited I am to hear that my brother from another mother with the same name, similar background, but very different brains, is getting back at it and lifting. |
| 1:08.8 | You got to tell me, you got to tell the cult. |
| 1:10.8 | I know it's early days. |
| 1:11.6 | It's five days, but this is like equivalent to when the Marvel movies first started coming out, right? |
| 1:20.7 | And I'm a nerd. |
| 1:21.7 | This stuff that I got beat up for in high school is now apparently cool. |
| 1:25.5 | Saw the first preview. |
| 1:27.0 | And I'm like, holy shit, |
| 1:28.6 | there's going to be a movie about the Avengers, no way, or Iron Man or what have you. |
| 1:34.2 | That's that level of excitement I have. |
| 1:35.6 | I'm trying to control it, but do share more to the degree you're comfortable. |
| 1:42.7 | Yeah, well, listen, people know it's been a roller coaster with various surgeries and various, |
... |
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