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

The Science Behind Going Slow to Be Fast

The concepts of central and peripheral conditioning help explain why an effective training base period leads to speed and durability in the race season.

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.