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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 > Exercise in Cold Weather

Fat bike in the snow

Exercise in the Cold Pathway

Exercising in cold weather has a significant impact on our physiology—from breathing to metabolism to performance. In this Pathway, you’ll learn about the physiological and psychological effects of cold from renowned environmental physiologist Dr. Stephen Cheung and many other experts.