Ep 387 - Energy Cost of Building Muscle

Ep 387 - Energy Cost of Building Muscle

In this episode, Eric Trexler and Eric Helms explore the energetic cost of building human skeletal muscle, discussing recent research, practical implications, and misconceptions about muscle growth and energy expenditure.

Relevant papers:
https://pubmed.ncbi.nlm.nih.gov/31482093/
https://pubmed.ncbi.nlm.nih.gov/37914977/
https://www.biorxiv.org/content/10.64898/2026.08.17.745156v1.full.pdf

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Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters
00:00 Introduction
01:52 Powerlifting shout-out
11:55 Introduction to new paper on energetic cost of building muscle
20:01 Components of muscle tissue building and their energy costs
22:59 Practical implications of the 3500 calorie rule
30:05 The five additive components of muscle growth energy cost
33:49 Variability in individual energy expenditure responses
40:12 Limitations and future directions in research
50:10 Summary and concluding thoughts

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Ep 386 - Sleep, Hypertrophy, and Creatine

Ep 386 - Sleep, Hypertrophy, and Creatine

Trexler and Helms dig into sleep and how it intersects with body composition and supplementation. They open on the sleep-and-lifting landscape, then work through the frequently cited 2010 study on ins...

20 Elo 1h 19min

Ep 385 - Do Studies on Untrained Lifters Apply to Trained Lifters?

Ep 385 - Do Studies on Untrained Lifters Apply to Trained Lifters?

Trexler and Helms dig into Helms's new MASS article, "Are studies on untrained lifters irrelevant to trained lifters?" It's built around a new umbrella review by Andy Fry and colleagues. The recurring...

12 Elo 1h 18min

BONUS: Bulking Is Dead - Eric Helms & Steve Hall

BONUS: Bulking Is Dead - Eric Helms & Steve Hall

In this episode, Eric Helms and Steve Hall explore the nuances of body recomposition, optimal bulking and cutting strategies, and the science behind muscle gain and fat loss. They discuss recent resea...

5 Elo 1h 15min

Ep 384 - Is Ultrasound Lying About Your Gains?

Ep 384 - Is Ultrasound Lying About Your Gains?

A methods-focused episode about how muscle and body-composition measurements can mislead you when reading the research. The main event is a new Balshaw and colleagues paper concluding that ultrasound ...

29 Heinä 1h 22min

Ep 383 - Q&A: Imbalances, Fatigue, & REDs

Ep 383 - Q&A: Imbalances, Fatigue, & REDs

In today's Q&A episode, the Erics work through a few listener questions. First they tackle upper/lower body imbalance — why lagging body parts usually call for improving training quality before adding...

22 Heinä 1h 5min

Ep 382 - The Science of Building Bone (ft. Dr.Lora Giangregorio)

Ep 382 - The Science of Building Bone (ft. Dr.Lora Giangregorio)

The Erics sit down with bone health expert Dr. Lora Giangregorio, a professor of kinesiology at the University of Waterloo, to unpack what's actually known about how bone adapts to resistance training...

15 Heinä 1h 26min

BONUS: Are Fitness Trackers Worth It? - Eric Helms & Steve Hall

BONUS: Are Fitness Trackers Worth It? - Eric Helms & Steve Hall

In this episode, Steve Hall and Eric Helms explore the nuances of training, recovery, and the use of technology in bodybuilding. They share insights on managing recovery, the limitations of fitness tr...

8 Heinä 1h 14min

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