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Iron Culture

Ep 383 - Q&A: Imbalances, Fatigue, & REDs

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22 Jul 2026 · 1h 5m

Muscle growth

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In today's Q&A episode, the Erics work through a few listener questions. First they tackle upper/lower body imbalance — why lagging body parts usually call for improving training quality before adding volume, and why standout muscle groups can be maintained on surprisingly little work. Next is a long discussion on managing fatigue and exercise sequencing in high-frequency, non-traditional splits, including why the "48 hours between muscle groups" rule is more dogma than requirement and how to th

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