Iron Culture presented by MASS

Trexler and Helms step back from training specifics to talk about how science gets interpreted, communicated, and applied.

Trexler opens with two anecdotes that exposed a blind spot in his own communication — a one-minute clip of a talk on the Minnesota starvation experiment that drew online backlash, and a classroom tangent on macaque calorie-restriction research that a colleague worried could nudge students toward disordered eating — both cases where true, interesting science left too much room for misapplied conclusions. That leads into the academic-versus-applied distinction (when an idea is “ready for showtime”), what Trexler has absorbed from science communicators and evolutionary-biology seminars outside fitness, the case for structuring science as story, leading with a question rather than an attack on social media, and modeling intellectual humility.

The back half covers how to tell when information isn’t “ready for prime time,” a worked example from a Mass article on weight-variability research, and the shared pull — across researchers, communicators, and audiences alike — to carry findings past what the evidence supports.

Join us for new episodes of Iron Culture on 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

6:50 Interpreting, communicating & applying science

9:29 Anecdote: a clipped talk & the starvation experiment

14:21 Anecdote: the macaque calorie-restriction tangent

16:27 Academic ideas vs. "ready for showtime"

26:09 What talks outside fitness taught him

28:46 Science needs story: "Houston, We Have a Narrative"

41:35 Lead with a question, not an attack

44:53 Modeling humility: the Enoka example

52:57 When information isn't "ready for prime time"

1:00:31 Wanting science to do more than it can

1:07:02 Completing the circle & the expert's blind spot

Trexler and Helms dig into training frequency and hypertrophy, prompted by a wave of recent discussion and two new papers: a new original study comparing three weekly sessions of three sets against one session of nine, and a new preprint from an independent research team utilizing the openly available data from Pelland’s previously published meta-regression. They trace the long history of the frequency debate (including Helms’s own shifting position), review where the science had settled, and put the current online discourse and the reanalysis under the microscope. The back half turns practical: a state-of-the-science recap, higher frequency as a tool for distributing volume and managing fatigue, and “zigging where the data zags,” with a personal example of practical application.

Join us for new episodes of Iron Culture, 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 & business

5:30 Tonight's topic: frequency & hypertrophy

8:54 A history of the frequency debate

21:19 Where the science had settled

29:33 The new claim & study under the microscope

42:39 The state of the science

56:24 Distributing volume & managing fatigue

1:04:52 Zigging where the data zags (a practical application)

1:18:32 Wrap-up

In this episode, Eric Helms and Steve Hall explore the nature of aging, the importance of self-awareness, and practical insights into nutrition and training for bodybuilders. 

They share personal stories, scientific perspectives, and coaching tips to help listeners optimize their health and performance.

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 reflections on aging

02:03 The linear acceleration towards death

03:52 Microplastics and health concerns

05:54 Leadership, responsibility, and feeling like an adult

10:04 The impact of losing a parent and human fallibility

14:58 Coaching Winnie and competition prep insights

24:11 Meal timing, protein intake, and practical nutrition

35:50 The science of nutrient timing and meal frequency

49:49 Constraints, individualization, and coaching philosophy

59:57 Closing thoughts and future topics

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