Iron Culture presented by MASS

This episode looks at bodybuilding before steroids became widespread, arguing that the era is far more useful (and more complicated) than the usual “pure, simple, natty golden age” story. Drs Eric Helms and Conor Heffernan break down how strength sport, judging standards, gym access, and culture shaped physiques from the 1940s through the 1950s. The big takeaway is that early bodybuilding was not a direct comparison to modern natural bodybuilding. The sport was tied to Olympic weightlifting, evaluated with very different criteria, and influenced by training tools and social norms that changed the entire game.

Catch new Iron Culture episodes every Tuesday at 5:30 pm eastern time!

Be sure to use code "MRR10" for 10% off your order at elitefts.com

Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters

0:00 Intro

5:20 The "pre-steroid era" myth

13:48 Using history to break the rules

15:22 When did steroids actually arrive?

29:13 Were the silver-era physiques natural?

32:11 What the average lifter really looked like

39:33 Why old physiques look so different

43:02 Photography before Photoshop

51:37 Inside the Mr. America contest

1:05:27 Training shifts & the Weider–Hoffman rivalry

1:09:21 Equipment & accessibility

1:21:24 Why training volume was limited

1:22:41 The machine age changes everything

1:31:43 How your entry point shapes you

1:37:05 Lessons from the pre-steroid era

1:42:36 The "banned" lifts that were once normal

1:44:50 Wrap-up

Bodybuilders are laser-focused on retaining as much muscle as possible while dieting, and for very good reason. In that context, the smallest details matter. But what about everybody else?

This episode explores a hot take on weight loss, lean mass loss, and why the usual fear of losing muscle may be overstated in the context of successful long-term weight loss. Drs Eric Helms and Eric Trexler break down what lean mass loss actually represents, how body composition changes in obesity differ from bodybuilding or weight cycling, and why the health benefits of sustained fat loss substantially outweigh moderate losses in fat-free mass.

Catch new Iron Culture episodes every Tuesday at 5:30 pm eastern time!

Be sure to use code "MRR10" for 10% off your order at elitefts.com

Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters

00:00 Introduction

15:16 Helms' hot take on losing lean mass

19:02 Defining lean mass loss

23:28 Why obesity increases fat-free mass

30:14 Temporary versus lasting muscle loss

35:05 DEXA versus MRI measurements

42:12 Prioritizing function and quality of life

47:29 Obesity, stigma, and public health

73:35 Weighing health benefits against muscle loss

In this episode, Eric Helms and Eric Trexler share their current approaches to diet, training, and supplementation, emphasizing pragmatic strategies, individualization, and the importance of evidence-based practice. They discuss how constraints, habits, and intrinsic motivation shape their approaches to fitness, offering valuable insights for both athletes and everyday lifters.

Catch new Iron Culture episodes every Tuesday at 5:30 pm eastern time!

Be sure to use code "MRR10" for 10% off your order at elitefts.com

Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters

00:00 Introduction and episode overview

00:04 Introduction to current fitness and diet approaches

02:13 Eric Helms discusses his role as co-director at Sprints

04:00 The importance of legacy and impact in fitness and research

06:04 Transition to practical training and nutrition strategies

10:45 Current training routines and scheduling challenges

16:05 Training volume, frequency, and adaptation

22:44 Fasted training, resilience, and human adaptability

26:16 Frequency and assessment of deloads

31:32 Personal training journeys and health challenges

36:38 Training habits, constraints, and optimizing within limits

43:20 Philosophy of motivation, identity, and long-term adherence

50:49 Balancing evidence-based principles with real-world constraints

51:46 Eric Helms discusses his current diet and body composition

52:13 The importance of a holistic approach to dieting

52:25 Adjustments in diet based on body composition and goals

53:24 Caloric intake and daily habits

55:23 Meal structure and food choices

57:20 Flexible eating and meal planning

58:55 Strategies for gaining or losing weight

01:02:03 Impact of medication and food addiction on eating behavior

01:04:51 Behavioral strategies during extreme dieting

01:07:37 Supplements and their role in performance and health

01:19:15 Cardio, step counts, and cardiovascular health

01:24:34 Training adaptations and managing physical constraints

01:29:17 Balancing resistance training, cardio, and lifestyle constraints

01:34:05 Final thoughts on personalized, evidence-based practice

In this episode, Eric Helms and Steve Hall discuss training strategies, auto-regulation, the role of cardio in bodybuilding, and practical techniques for efficient training. 

They share insights from their recent training camps and personal experiences to help listeners optimize their workouts and recovery.

Catch new Iron Culture episodes every Tuesday at 5:30 pm eastern time!

Be sure to use code "MRR10" for 10% off your order at elitefts.com

Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters

00:00 Introduction and episode overview

01:55 Training environment and mental focus during camps

03:57 Eric and Steve discuss recent training experiences

06:50 Auto-regulation and its role in effective training

11:59 Time-saving techniques: drop sets, clusters, and rest pause

19:49 Cardio in bodybuilding: health benefits and recovery

29:56 Monitoring performance and avoiding overtraining

39:58 Practical tips for implementing efficient training methods

49:58 Reflections on training, recovery, and future plans

In this episode, Eric Helms and Richard Collins explore the art and science of coaching, emphasizing the importance of motivation, rapport, and tailored strategies in achieving long-term success in fitness and bodybuilding. In this episode, Richard shares his extensive experience in physique sport coaching, mental performance training, and how athletes and coaches can optimize their mindset and preparation for peak performance.

Check out Richard's instagram (richard_collinscoach) to stay up to date with his work.

Catch new Iron Culture episodes every Tuesday at 5:30 pm eastern time!

Be sure to use code "MRR10" for 10% off your order at elitefts.com

Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters

00:00 Introduction and guest background

01:53 What is coaching and why it matters

04:04 The importance of motivation and internal drive

07:04 Building rapport and trust with clients

10:10 Transition from sports to bodybuilding coaching

14:53 Differences in motivation between athletes and general clients

19:56 Creating internal motivation in clients

25:07 The role of accountability and standards

29:54 The impact of emotional intelligence and relationship building

34:58 Misconceptions about tough love and discipline

40:14 The importance of understanding client context

45:04 Practical strategies for long-term adherence

49:55 Lessons learned from sports coaching

55:09 The value of humility and continuous learning

01:00:12 Closing thoughts and key takeaways

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

Catch new Iron Culture episodes every Tuesday at 5:30 pm eastern time!

Be sure to use code "MRR10" for 10% off your order at elitefts.com

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

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 insufficient sleep and fat loss, laying out its design and the details behind its dramatic-sounding numbers. From there they discuss what the broader literature does and doesn't establish, the acute effects of sleep restriction on power, skill, and pain perception, and observational data — including sleep patterns in hunter-gatherer societies and among elite athletes — plus the relationship between sleep duration and sleep efficiency. The back half turns to supplementation. They trace the history of research on creatine and sleep, from early findings that creatine might reduce sleep need to newer work on brain creatine under sleep deprivation. This leads into a crossover trial testing caffeine and creatine against a sleep-deprivation cognitive challenge, its findings on rugby passing accuracy, and how to interpret an isolated positive result on a little-studied question. They cover a more recent high-dose replication, then close with the practical side — creatine dosing, the common report that creatine disrupts sleep, and caffeine timing — before wrapping up.

Join us for a live recording of Iron Culture! We go live Tuesdays at 5:30 pm eastern time.

Be sure to use code "MRR10" for 10% off your order at elitefts.com

Iron Culture is proudly presented by the MASS Research Review

massresearchreview.com

Chapters

0:00 Intro

9:44 Sleep & body composition

11:16 Unpacking the famous 2010 sleep study

20:52 The blind spot in the sleep literature

23:04 Sleep restriction, power, skill & pain

27:20 Sleep duration vs. sleep efficiency

31:45 The big takeaway on sleep & gains

34:57 Creatine & sleep: the research history

41:22 The caffeine vs. creatine study

44:47 What the study found

54:21 A newer high-dose replication

1:08:26 Practical application: dosing, timing & sleep complaints

1:15:44 Wrap-up

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 internet claim is that most exercise research is done on untrained people, so a trained lifter is "built different" and the findings don't apply. The hosts unpack why that's mostly wrong. They start with the messy problem of defining how "trained" someone is. Then they discuss Fry's review, which reports that roughly 70% of resistance training study participants are sedentary or untrained, with fewer than 500 out of nearly 19,000 participants counting as genuinely well-trained. But the key focus of the episode is that this doesn't invalidate the research: what makes a beginner grow more will also make an advanced lifter grow more — the difference is rate, not mechanism.

Iron Culture is proudly presented by the MASS Research Review. Mostly because Helms and Trex are co-owners.

massresearchreview.com

If you're in the market for some new (ultra-high-quality) gym gear or apparel, be sure to use code "MRR10" for a 10% discount over at elitefts.com

If you'd like to submit a question for a future episode, head over to:

massresearchreview.com/ironculture

Chapters

0:00 Intro

8:25 The article: do untrained studies apply?

11:31 What does "trained" even mean?

22:26 How researchers try to define training status

25:51 Fry's approach & the McKay tiers

28:07 A review of reviews: mapping the literature

32:24 The finding: 70% untrained

37:46 Is that actually a problem?

43:44 Where meta-analyses fall short

51:27 Dose, stimulus & the maintenance threshold

58:27 Realistic rates of progress & goal-setting

1:14:51 Wrap-up: you don't need perfect

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 research, practical insights, and debunk common myths to help athletes optimize their training and nutrition.

Iron Culture is proudly presented by the MASS Research Review. Mostly because Helms and Trex are co-owners.massresearchreview.com

If you're in the market for some new (ultra-high-quality) gym gear or apparel, be sure to use code "MRR10" for a 10% discount over at elitefts.com

If you'd like to submit a question for a future episode, head over to:massresearchreview.com/ironculture

Chapters

00:00 Audio Troubles and Nostalgia

02:47 Heat and Body Temperature During Massing

05:58 Gaining Weight: Personal Experiences and Insights

09:02 Recomposition: Understanding the Nuances

11:59 Surplus vs. Maintenance: The Anabolic Debate

14:45 The Role of Body Composition in Muscle Gain

18:05 Deficits and Muscle Gain: A Closer Look

20:53 The Impact of Training Experience on Gains

23:50 Psychology of Body Image and Muscle Growth

34:30 Evolution of Perspectives in Bodybuilding

35:30 The Surplus Dilemma: Muscle Gain vs. Fat Gain

39:35 Post-Show Recovery: Finding the Balance

43:43 The Impact of Body Fat on Muscle Growth

46:26 Psychological Aspects of Bodybuilding and Recovery

51:20 Understanding Muscle Memory and Recovery

01:04:31 The Complexity of Body Composition Studies

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 muscle thickness is a poor index of MRI-measured muscle growth. Trexler and Helms argue this shouldn't be read as "throw out all ultrasound research" — the real culprit is that muscle thickness is a crude one-dimensional snapshot with measurement error large enough to swamp the small changes seen in typical short studies, whereas MRI captures growth in more dimensions with better fidelity. They walk through why comparing across different dimensions and different devices matters, what researchers can do about it (bigger doses, larger samples, multiple measurements), and use the famous "sleep restriction kills your gains by 60%" study as an example of over-reading a tiny difference in ten people.

The second half turns to DEXA. Prompted by someone confused that DEXA fat mass didn't line up with the 3,500-calorie rule, they explain DEXA's three-compartment model, why it measures fat mass rather than adipose tissue, and why lean soft tissue readings are so sensitive to hydration. The practical upshot: don't build your worldview on a kilogram of day-to-day DEXA noise, be cautious using DEXA to estimate energy status, and understand that flattening a three-dimensional body into a two-dimensional scan introduces real limits. They close with an extended, tongue-in-cheek bit about trademarking "muscle journey" dimensions.

Iron Culture is proudly presented by the MASS Research Review. Mostly because Helms and Trex are co-owners.

massresearchreview.com

If you're in the market for some new (ultra-high-quality) gym gear or apparel, be sure to use code "MRR10" for a 10% discount over at elitefts.com

If you'd like to submit a question for a future episode, head over to:

massresearchreview.com/ironculture

Chapters

0:00 Intro

5:57 The paper: is ultrasound a poor muscle-growth measure?

18:04 What muscle thickness actually captures

25:38 Measurement error vs. a tiny signal

31:16 Different dimensions, different devices

37:52 What researchers should do about it

39:26 Case study: does sleep loss "kill gains"?

47:28 On to DEXA: where this started

53:26 How DEXA works & why fat mass ≠ adipose tissue

1:02:15 Why methods don't always agree

1:11:06 Water weight & the whooshing scale

1:16:43 Estimating energy status from DEXA

1:19:36 Wrap-up