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Transform Your Fitness with Norwegian 4x4 Protocol!

Unlock peak performance with our science-backed HIIT training app. Available now on iOS and Android. The Norwegian 4x4 Protocol is a groundbreaking high-intensity interval training (HIIT) method designed to maximize cardiovascular health and endurance. This method involves four intense four-minute intervals at 90-95% of your maximum heart rate, each followed by a three-minute active recovery period. Backed by scientific research, the 4x4 Protocol is renowned for significantly boosting VO2 max, a critical measure of aerobic capacity.

This app was created by Norwegian4x4.com (Nikita Y.) on Thursday, July 4, 2024.

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Lifestyle
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