Скачать или смотреть Master the 4x4 Protocol for VO2 Max (Science-Backed Training)

The 4x4 Protocol is the scientifically proven method to maximize your VO2 max faster than any other cardio training. In this video, I break down exactly how to use the Norwegian 4x4 interval training method to boost your cardiovascular fitness.

🔥 What You'll Learn:
The exact 4x4 protocol breakdown
Why it beats Zone 2 cardio for VO2 max
How to implement it in your training
Science-backed results

This protocol has been tested by elite athletes and proven in multiple studies. If you're serious about improving your cardio performance, the 4x4 method is your answer.

💪 Watch my other 4x4 protocol videos for more training tips!

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