Knowledge Base

Physiology

Humans aren’t machines—we’re much more complicated. Exercise physiology involves changes in the body from exercise and rest.

From anaerobic threshold to environmental acclimatization, from FTP to PGC-1 alpha, we explore the science of human performance.

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Physiology > Fatigue

Fast Talk Podcast Q&A

Why Fatigue May Be All in Your Mind, with Dr. Stephen Cheung

Stephen Cheung differentiates some physiological causes of fatigue, including muscle damage, glycogen depletion, body temp, and why none of these reasons fully explains fatigue, despite what some researchers might tell you.

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