# The Norwegian 4×4 workout is a structured HIIT routine consisting of four min...
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Original URL: https://www.facebook.com/BoxLifeMagazine/posts/pfbid04rGazUJaooi5a1yZhqRxV51KAbmxHbuFoo3cc3vX6oGrvHkaiE2Bw33LYJgpzGG4l
Author: BoxLife Magazine
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## Content
The Norwegian 4×4 workout is a structured HIIT routine consisting of four minutes of intense effort at 85–95% max heart rate, followed by three minutes of recovery, repeated four times, with warm-up and cool-down for a total of 40 minutes. It’s designed to boost VO2max and overall cardiovascular health by pushing the body’s oxygen utilization. Regular practice also supports heart function, endurance in daily activities, and mental wellbeing. It’s simple to adapt to running, cycling, or swimming. Experts recommend twice-weekly sessions alongside moderate cardio for balanced training. More details in the full article.
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