Ep 344 - Sports Science In Elite Athletics (ft. Dr. Marc Lewis)
In this episode of Iron Culture, Eric Trexler interviews Dr. Marc Lewis, the director of Applied Sports Science for the Houston Texans. They discuss the role of sports scientists in maximizing athlete performance through data collection, management, and analysis. Marc shares insights on the day-to-day responsibilities of a sports scientist, the importance of understanding athlete load and stress, and the evolution of sports science in the NFL. They also explore the future of sports science careers and provide advice for aspiring sports scientists. Need some lifting gear? Use our discount code (MRR10) over at www.elitefts.com Keep up-to-date with Dr. Lewis and his projects: https://drmarclewis.com/ Instagram: @marctlewis Twitter/X: @marctlewis Chapters 00:00 Introduction to Sports Science in Football 01:47 What Does a Sports Scientist Do? 7:26 From Data to Decisions 11:00 Navigating the Data Overload 23:13 Applied Data Versus Peer-Reviewed Evidence 27:20 Applying Sports Science Insights to Strength Coaching 34:46 The Reality of Overtraining in Elite Sport Versus General Fitness 45:17 The Extremes of Human Performance 51:01 Unique Needs of Elite Athletes 56:45 The Current State (and Future) of Sports Science in America 1:09:46 Building a Career in Sports Science
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Ep 343 - Q&A: Is Collagen Useful?
In this episode of Iron Culture, hosts Eric Trexler and Eric Helms discuss recent developments in college football and powerlifting, in addition to introducing their partnership with Elite FTS. The conversation shifts to a Q&A session where they address various topics, including collagen supplementation, creatine dosage, and the relationship between muscular endurance and strength. They also provide practical tips for reducing food focus during dieting and discuss the impact of hypertrophy on athletic performance. Need some lifting gear? Use our discount code (MRR10) over at www.elitefts.com Time stamps 00:00 Introduction (College Football & Powerlifting News) 04:25 Partnership with Elite FTS and Personal Experiences 11:50 Collagen Supplementation: Debates and Research Overview 35:37 Power Development: Training Volumes and Frequencies 49:00 Creatine: Dosage, Urination Frequency, and Cognitive Effects 1:03:18 Muscular Endurance: Training Insights 01:08:34 Hypertrophy and Athletic Performance 1:19:00 Creatine During Peak Week 1:19:58 Dieting Strategies and Food Focus
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Ep 342 - New Data: Does Growth Really Drive Strength Gains?
In this episode of Iron Culture, hosts Eric Trexler and Eric Helms discuss various topics including the ongoing debate about the relationship between muscle growth and strength gains. They discuss brand new findings from the largest and longest-running study on resistance training, explore the implications of "apparent" sex differences in strength gains, and emphasize the need for nuanced statistical analysis in understanding the factors that contribute to strength gains and observed sex differences. Want to read a thorough analysis of the article we discussed in this episode (and many more)? Support the show by joining the MASS Community at massresearchreview.com Chapters 00:00 Intro 09:10 The Debate on Muscle Size and Strength 12:30 New Research on Muscle Strength and Size 20:45 Exploring Sex Differences in Muscle Training 26:40 The Hierarchy of Evidence in Research 32:00 Relationships Between Strength And Muscle Size 36:40 Lifting For Sport: History And Changing Cultural Norms 39:00 Back To The Study Results (Understanding Sex Differences in Strength Gains) 42:15 Nuances of Statistical Analysis: Relationships Between Strength And Muscle Size 54:10 Aside About Collegiate Sports In USA 56:50 Causal Discovery Analysis in Strength Research 1:08:00 Summary and Conclusions: The Role of Muscle Growth in Strength Gains 1:21:45 Listener Question: Sample Sizes in Exercise Science 1:27:10 Outro
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Ep 341 - Unpacking Individual Responses to Training Volume
In this episode of Iron Culture, hosts Eric Helms and Michael Zourdos engage with Dr. Zac Robinson to discuss his dissertation research on the effects of resistance training volume on muscle adaptations. The conversation delves into the complexities of individual responses to training, the importance of research design, and the implications of findings for coaching practices. They emphasize the need for caution in interpreting data and the evolving nature of sports science, highlighting the significance of collaboration and flexibility in training approaches. Chapters 00:00 Introduction and Guest Introduction 06:25 The PhD Journey and Team Dynamics 11:32 Dissertation Overview and Research Focus 18:43 Research Methodology and Individual Variability 26:50 Understanding Individual Response Variation in Training 32:09 Study Design: Isolating Variables in Training Responses 37:33 The Importance of Replication in Research 42:40 Findings 53:41 Limitations and Implications of the Study 01:00:17 Genetics and Individual Response Variability 01:02:59 The Dose-Response Relationship in Training 01:06:25 Shifting Perspectives on Training Individualization 01:11:00 The Role of Sports Science in Coaching 01:19:51 Future Directions in Resistance Training Research
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Ep 340 - Protein: Valuable, But Overvalued
In this episode, Drs Trexler and Helms discuss various topics including updates on Eric's surgery, the valuable (but very modest) effects of protein intake on muscle gains, incontinence after contest prep, the relationship between sleep quality and nutrient timing, the recent ban on smelling salts in the NFL, and more. Time stamps: 00:00 Introduction 01:11 Preview of next week's episode (non-responders, hyper-responders, etc) 07:01 Trex's surgery update 12:11 Discussion on Protein Meta-Analyses and Research Updates (how much does protein intake actually matter for gains?) 33:10 Why meta-analyses differ from RCTs in terms of "expiration dates" 44:15 The Impact of Training vs. Nutrition (for muscle growth) 51:41 Q&A: Supplementation for Lifters (and Specifically Vegans Who Lift) 55:49 Incontinence, Increased Urine Output, and Contest Prep 59:16 Chrono Nutrition and Sleep Quality 01:11:28 The Role of Smelling Salts in Sports Performance (and Football)
Iron Culture was started by Eric Helms and Omar Isuf as a means of exploring the world of physical culture and attempting to distill a unified philosophy of lifting and to help listeners find greater meaning from the iron. It's now hosted by Eric Helms and Eric Trexler, who repeatedly beg Omar to return as a guest.
Iron Culture focuses on dispensing practical, useful information to the listener, bouncing from history, to philosophy, to contemporary lifting culture issues, to science. The format includes casual conversations between the two hosts on a variety of topics, discussions with a panel of experts and interviews with authoritative figures in the lifting community.
Iron Culture is proudly presented by the MASS Research Review.
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