In this episode, we take an inside look at the science and strategy behind our newest class: Norwegian 4×4. Developed by sports scientists in Norway, this interval-based cardiovascular training method isn’t just for elite athletes. It has been proven to enhance heart health and even reverse heart aging by up to 20 years. We break down the research, including why this protocol is so effective for people of all fitness levels and show how you can incorporate it into your own routine—even without gym equipment. If you’re looking for a science-backed way to boost your endurance and longevity with just one session per week, this episode is for you!
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