Browse our articles to learn more about the Norwegian 4x4 Protocol in action!
Join thousands of users who have already improved their cardiovascular health with Norwegian 4x4 Method.
Learn how to make the most out of your workouts with our comprehensive guide. Find out how the app can help you achieve your fitness goals with ease.
Estimate your maximum heart rate based on age, weight and height. Knowing your HRmax is essential for effective training and cardiovascular health.
Be among the first to revolutionize your training with the Norwegian 4x4 App. Sign up for our newsletter and stay updated with the latest news!