I tried the Norwegian 4x4 workout after seeing it go viral—and honestly? I feel fitter than ever

Nordic workouts aren't for the faint-hearted.
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Everyone's Talking About The Norwegian 4x4 Workout RN - So Is It Really Unrivalled For Boosting Cardio Fitness?

Heard the words “Norwegian 4x4” while refilling your water bottle at the gym or on social media recently? You’re not imagining things - this high-intensity interval training method has become the talk ...
AOL

How to Use the Norwegian 4x4 Workout Method to Increase Your VO2 Max

'Longevity workouts'and the best types of training to increase your lifespan seem to have gained more momentum in recent years. With the likes of billionaire Bryan Johnson experimenting with various ...
The Conversation

The Norwegian 4x4 Hiit workout is a favourite among athletes and actress Jessica Biel – here’s why it’s so beneficial

The intensity of the 4x4 workout can improve your cardiovascular health. TORWAISTUDIO/ Shutterstock Lack of time is often the main reason people don’t exercise regularly. But a type of interval ...