Fundamentals · F04

Fatigue, Recovery, and Durability

How fatigue accumulates, how recovery actually works, and what durability means across sessions and weeks.

Core Concept

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Fatigue, Recovery, and Durability: How the System Actually Works

Fatigue isn't a single thing — it accumulates differently depending on what you're doing, how long you've been doing it, and what came before. This article maps the system so everything else in this pillar has a foundation to build on.

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The Full Picture

11 articles

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Central vs. Peripheral Fatigue: What's Actually Giving Out

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Why You Slow Down Before You Have To

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Fatigue Within a Session: Why Later Rounds Feel Different

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Recovery Debt: How Fatigue Carries Across Days

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Sleep and Performance Capacity

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Why One Bad Night Affects More Than You Think

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Why Some People Fade and Others Don't

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Feeling Fine vs. Being Recovered: Why They're Not the Same

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Active vs. Passive Recovery: What the Evidence Says

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How Long Full Recovery Actually Takes

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