Uploaded February 2026 | Updated September 2026, 2 hours ago

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In this episode of Iron Culture, Eric Trexler and Eric Helms discuss perpetually hot topics in the fitness and bodybuilding community, focusing on recent research findings related to training at long muscle lengths and the implications of muscle swelling on hypertrophy reserach. They explore the nuances of lengthened bias training, the importance of sampling variance in research, and the impact of muscle swelling on hypertrophy measurements.

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Chapters
00:00 Intro
04:39 Research Roundup: Lengthened Bias Training
07:20 Study Findings and Interpretations
10:24 Contextualizing Research in Fitness
13:53 Incremental Improvements in Research
17:10 Understanding Muscle Mechanics and Training Equipment
23:23 Sampling Variance and Its Impact on Research Interpretation
37:33 The Debate on Lengthened vs. Shortened Training
49:20 New Insights on Muscle Swelling and Hypertrophy
58:46 Understanding Muscle Performance and Recovery
01:03:39 The Debate on Training Volume and Hypertrophy
01:12:09 Wrapping up