Norwegian 4x4 Interval Training
TLDR:
This interval training method is proven to effectively enhance VO2 max, which is a critical measure of cardiovascular health and fitness. The protocol helps reverse aging effects on the cardiac structure, making the heart functionally younger and more efficient.
How To Perform Norweigan 4x4 Interval Training
- Perform 4 minutes of high-intensity exercise at the maximum intensity you can maintain for the entire duration
- Directly after, perform 3 minutes of light activity (like walking), to allow your heart rate to recover.
- Repeat steps 1-2 4 times.
Dr. Rhonda Patrick
Cell Biologist & Podcast Host (FoundMyFitness)
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Dr. Rhonda Patrick is a cell biologist and cofounder of FoundMyFitness, a compendium of resources focused on promoting healthspan, longevity, and overall fitness through nutrition, exercise, and lifestyle behaviors.
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