Workout of the Week: 20 Seconds to Heaven

The ability to push a big gear with high cadence teaches a sport-specific strength that is difficult to create otherwise.

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The Respiratory System and Athletic Performance

Oxygen delivery, VO2max, and breathing efficiency all shape how the respiratory system supports endurance performance.

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Chris Case

The Science and Safety of Endurance Exercise During Pregnancy

We look at the latest research on the safety, benefits, and precautions for expecting mothers.

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Athena Shapiro

Getting to the Core

The importance of a strong core for athletic performance can’t be overstated. Trevor Connor details the various benefits of a strong core, and the disadvantages of a weak one.

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Trevor Connor

Individualizing HIIT Workouts by Season and Athlete Phenotype

Understanding when and how to introduce HIIT can make all the difference in an athlete’s ability to absorb training and optimize performance.

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Dr. Paul Laursen

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