Workout of the Week: Short Stack Intervals with Over-Unders

Keep your heart rate consistently high with a serving of short stacks, then maintain power with a side of over-unders.

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Ryan Kohler

Photo: Artem Varnitsin/Shutterstock.com

Keep your heart rate consistently high with a serving of short stacks, then maintain power with a side of over-unders.

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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

Workout of the Week: Sub-Threshold Intervals

Hit the sweet spot with a sub-threshold ride for those winter days that aren’t too cold.

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Julie Young

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