In this episode of Iron Culture, hosts Eric Trexler and Eric Helms discuss various topics related to fitness, nutrition, and hydration. They delve into the importance of hydration, the potential for overhydration, and the effects of vitamin C and gelatin on muscle recovery. The conversation also covers the debate between eccentric and concentric training for muscle growth, as well as the relationship between cardio and strength training. Throughout the episode, the hosts emphasize the need for evidence-based practices in fitness and nutrition, while also addressing common misconceptions in the fitness community.
To attend the upcoming SNA conference electronically and see the entire MASS team's presentations, you can find tickets here:
https://sportsnutritionassociation.com/sna-annual-2025-conference/
To submit a question for us to answer on the show, head over to https://massresearchreview.com/ironculture/
Time stamps:
00:00 Intro
07:17 Afterhours question: over- and de-hydration
Peacock 2011 Initial hydration status, fluid balance, and psychological affect during recreational exercise in adults https://pubmed.ncbi.nlm.nih.gov/21574099/
Stover 2006 Urine specific gravity in exercisers prior to physical training https://pubmed.ncbi.nlm.nih.gov/16770361/
Kouri 1995 Fat-free mass index in users and nonusers of anabolic-androgenic steroids https://pubmed.ncbi.nlm.nih.gov/7496846/
13:24 Hydration status, training adaptations, and strategies for athletic events
26:08 Gut cut and water manipulation strategies for powerlifting and lifestyle factors which could be influencing hydration status
31:50 Urine colour (vitamin supplements and DIM)
35:47 Afterhours question: Are Vitamin C and Gelatin worth the hype?
42:17 Q&A 1: Can you consume too many micronutrients?
49:13 Q&A 2: Eccentric muscle actions for hypertrophy
da Silva Comparison Between Eccentric vs. Concentric Muscle Actions On Hypertrophy: A Systematic Review and Meta-analysis https://pubmed.ncbi.nlm.nih.gov/39652733/
57:05 Q&A 3 Heart rate variability (HRV) and fatigue and recovery
Robinson 2024 Exploring the Dose-Response Relationship Between Estimated Resistance Training Proximity to Failure, Strength Gain, and Muscle Hypertrophy: A Series of Meta-Regressions https://pubmed.ncbi.nlm.nih.gov/38970765/
1:03:44 Tracking repetitions for unilateral exercises and cardio modalities for mitigating the interference effect
Schumann 2022 Compatibility of Concurrent Aerobic and Strength Training for Skeletal Muscle Size and Function: An Updated Systematic Review and Meta-Analysis https://pubmed.ncbi.nlm.nih.gov/34757594/
1:11:11 Closing out
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