VO2max testing and lactate testing in Boulder Colorado

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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Pro cyclist getting cheered on near finish line

Pro Training Tips, with George Bennett

We sit down with Jumbo-Visma rider George Bennett to better understand how he trains, how you can apply his tips, and how pros have vastly different approaches.

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Fat biking in the snow in Niwot

How to Train in the Cold

We explore the physiological effects of training in the cold, from muscle damage to the increased caloric demands and how to stay warm.

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Is FTP Dead?

We take on a controversial subject: FTP or functional threshold power. Is FTP dead?

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Red Yellow Flare Light Graphic for Managing Heat

Managing Heat, with Rob Pickels

Physiologist Rob Pickels joins our hosts to talk about how heat affects athletic performance and the different strategies you can implement to manage it.

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How to Pick a Power Meter

We are joined by our tech crew, Dan Cavallari and Kristen Legan, to answer these questions and many more. Plus, pro power insight from Cannondale-Drapac’s master of the breakaway, Toms Skuijns.

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cyclist races by with bare legs in cold weather

Cold, Bare Legs Make You Dumb, Not Tough

We dig into the physiology behind pedaling in cold weather and offer up a few tips and tricks for dressing properly. Internationally renowned trainer Andy Pruitt and former pro Ted King add their own insights on the subject.

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Close-up of a power meter on bike's handlebars

The Myth of the Useless Heart Rate Monitor

Trevor Connor and editor Caley Fretz are joined by one of the world’s leading cycling physiologists, Inigo San Milan, to bust the myth that power is all that matters.

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