Norwegian 4x4

Software / App

A high-intensity interval training protocol involving 4 minutes at 85-95% maximum heart rate, followed by a 3-minute break, repeated four times. Used for improving VO2 Max.

Mentioned in 2 videos

Save the 2 videos on Norwegian 4x4 to your own pod.

Sign up free to keep building your knowledge base on Norwegian 4x4 as more episodes are added.

Get Started Free