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 > Indoor Cycling

Chris Case and Trevor Connor indoor cycling.

How to Warm Up for Zwift Races

The demands of virtual racing are different from live racing. Physiologist Rob Pickels explores the science of warmups and how this applies to fast-start Zwift races.

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triathlete racing in the heat

Exercise in the Heat Pathway

Endurance athletes inevitably face the challenges imposed by training and racing in the heat. How do our bodies respond, and what are ways that we can best prepare? Learn how to beat the heat with advice from Dr. Stephen Cheung, Dr. Stephen Seiler, and a range of experts and coaches.

winter guide to indoor cycling

Your Winter Guide to Indoor Cycling, with Dr. Stephen Cheung

Dr. Stephen Cheung leads a discussion on indoor cycling, including heat management, adaptive differences between indoor and outdoor workouts, and what to do with those “nice” winter days when you can sneak outdoors.

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