
We Need To Talk About "The Stretch" (Jeremy Ethier's New Study)
From The Jeff Nippard Podcast by Jeff Nippard
February 1, 2026 · 22 min
About this episode
Jeff Nippard discusses a new study on muscle growth with guest Jeremy Ethier, focusing on the implications of training with different tensions.
In this episode, I talk with fellow YouTuber Jeremy Ethier about a new study that he co-authored that compared muscle growth when training with more tension in the lengthened position versus with more tension in the shortened position. We'll cover what these new findings mean, if this changes our thoughts on "the stretch", and how these findings should be applied to training. Timestamps 0:00 - Intro and Jeremy's new study overview 2:54 - What Jeremy's study did really well 3:56 - Were these results surprising? 7:17 - How much does the stretch actually matter? 9:23 - Stretch implications for exercise selection 13:30 - Big picture takeaways on the stretch 15:25 - Does training experience change the results? 16:52 - Which stretch-biased exercises are worth it? 18:23 - Does science-based lifting keep flip-flopping? 19:20 - Jeremy's main takeaways 20:36 - Final thoughts Jeremy Ethier's video on the study: https://www.youtube.com/watch?v=HJHeGGSp1tQ References: Jeremy Ethier's Study: https://sportrxiv.org/index.php/server/preprint/view/660 New Long vs Short Muscle Length Meta-Analysis: https://www.researchgate.net/publication/399455789 DB vs Cable Lateral Raises…
People in this episode
Host: Jeff Nippard
Guest: Jeremy Ethier
Topics covered
- muscle growth
- training tension
- exercise selection
- stretch implications
- scientific findings
- fitness research
Keywords
- muscle growth
- tension
- lengthened position
- shortened position
- exercise selection
- fitness
- research study
Mentioned in this episode
Organizations: YouTube, Sportrxiv, PubMed, ResearchGate, PMC
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