Recommended Frequency:
Every week on Saturday
You can customize this routine to suit your needs, so anything you don't like, change or skip it!
The Norwegian 4x4 protocol involves 4 rounds of 4 minutes of intense exercise at the highest intensity you can maintain, followed by 3 minutes of light recovery. This strenuous routine pushes your cardiovascular system to the limit, improving VO2 max and overall fitness.
Benefits: 🔥 Maximizes VO2 max and cardio capacity ♻️ Reverses effects of cardiac aging 💪 Increases overall exercise performance
4 Minute Intense Interval
3 Minute Recovery
What do I need to start this routine?