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 > Polarized Training

Cyclists using the polarized training method or 80/30 training

Polarized Training Pathway

In collaboration with Dr. Stephen Seiler, the “father of polarized training,” we have curated everything you need to know about the 80/20 training method.