Physiology

Exercise physiology involves the study of the acute responses and chronic adaptations to exercise. Humans aren’t machines—we’re much more complicated.

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

Latest

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.
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.
How to Dress for Cold-Weather Exercise - Fast Talk Laboratories

How to Dress for Cold-Weather Cycling

Learned through years of difficult experiences, our Canadian CEO and Coach Trevor Connor offers his best tips for how to dress for cold-weather cycling.
VO2max test with Erica Clevenger

Could Respiration Be Your Limiter?

Athletes spend much of their time training their legs and heart. What about our lungs? Steve Neal breaks down the components of respiration to help explain why it could be holding you back.
lactate-workload plot of thresholds

The True Definition of Threshold

Your lactate threshold may not be what you think it is. Coach Trevor Connor explores the true definition of this physiological turn point.