The Norwegian 4x4: The Best HIIT Workout to Boost Your VO2 Max and Turn Back Time

What it is, why it’s awesome, and how I do it

Jason Gutierrez
ILLUMINATION

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Photo by David Traña on Unsplash

Once a week, my wife watches me ride what I call the Norwegian rollercoaster.

It involves a highly beneficial HIIT-style workout and a rollercoaster of emotions.

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Jason Gutierrez
ILLUMINATION

Engineer. Papa. Each week, I share short essays and stories on careers, life, and the creative process 🖊: https://parttimewriting.beehiiv.com/subscribe