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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how athletes slow down with age Dr. Stephen Seiler

Breakdown: How Athletes Slow Down with Age

Like it or not, we slow down as we age. Do some parts of our physiological machinery slow down faster than others? If so, what does that mean for training and endurance performance?

max heart rate Dr. Stephen Seiler

How to Find Your Maximal Heart Rate

Dr. Stephen Seiler presents the case for why properly measured heart rate data is important to track and about some dos and don’ts to follow when attempting to determine your own HRmax.

Fast Talk interval Chris Case

This Is an Interval

Trevor Connor revisits the fundamentals of aerobic versus anaerobic pathways, and helps us understand more advanced principles of interval training.

Colby Pearce Cycling in Alignment Podcast

Fundamentals of Cycling

Colby Pearce outlines some key abilities that make great cyclists in this broad overview of the sport.

A cyclocross rider rounds a bend through tall grass.

Mission Impossible: Determining Your True Threshold

How accurate are threshold numbers? And why is it so difficult to find accurate threshold numbers? We discuss several common ways to find your threshold and their pros and cons.

pro cyclist Fast Talk Laboratories

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.