# 040 This new study will change how you think about fatigue

Page: https://stenobird.com/podcast/hypertrophy-past-and-present-7348739/040-this-new-study-will-change-how-you-think-about-fatigue
Text version: https://stenobird.com/podcast/hypertrophy-past-and-present-7348739/040-this-new-study-will-change-how-you-think-about-fatigue.md
Podcast: [Hypertrophy Past and Present](https://stenobird.com/podcast/hypertrophy-past-and-present-7348739)
Published: 2026-02-23T11:59:07+00:00
Episode link: https://share.transistor.fm/s/5abe0883
Audio file: https://media.transistor.fm/5abe0883/2b159f0e.mp3
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JSON: https://stenobird.com/v1/public/podcasts/hypertrophy-past-and-present-7348739/episodes/040-this-new-study-will-change-how-you-think-about-fatigue
Duration seconds: 5153

## Resource

In this episode of Hypertrophy Past & Present , Jake and Chris unpack a new hypertrophy study that illustrates how fatigue doesn’t just make training harder but can directly reduce the hypertrophic stimulus by lowering single-fibre mechanical tension. The episode opens in the Silver Era again with Henry Paschal’s 1950 “busy person” program then pivots into the core discussion: why fatigue mechanisms (CNS and calcium-ion related) dampen muscle growth, and what this implies for exercise order, rep ranges, and advanced training methods. Key topics include: Henry Paschal’s 1950 routine A new “repetition duration” study How CNS fatigue and calcium-ion fatigue both serve the same function Why max effort and slow velocity don’t always equal max recruitment and max tension Programming implications: exercise order, rep ranges, RIR, clusters, and isometrics

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## Transcript

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