Myth Busters—Why We Can’t Talk About Lactic Acid

Ouch, it burns! But what causes that burning sensation in our muscles when we work out? Dr. Inigo San Millan and Caley Fretz reveal new science on lactic acid and "the burn".

Chris Case Fast Talk Podcast
Photo: Brad Kaminski

Ouch, it burns!

But what is “it” — the root cause of the pain in your legs when you smash it up a hard climb? For the longest time, we colloquially called “it” lactic acid. It turns out that was wrong.

Coach Trevor Connor and Caley Fretz examine the chemistry that occurs in our muscles while riding and racing. They talk to Dr. Iñigo San Millán, who is the former director of the University of Colorado Sports Medicine and Performance Center.

Best of all, they give you practical advice for your own training to help make that burn go away—or at least make you faster even if it hurts.

Trevor Connor, Caley Fretz, and Dr. Iñigo San Millán

Episode Transcript

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