Zone 5
Very high intensity training (90-100% of maximum heart rate), typical of HIIT. Useful for improving VO2 Max and cardiac output.
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HRV, VO2 Max and RHR: The Three Pillars of Cardiometabolic Longevity
Understanding and optimizing the three most powerful indicators of your cardiovascular health and autonomic nervous system.
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Exercise for Busy People: Maximizing Results in 30 Minutes
You don't need to live in the gym. The science of intensity and consistency to build a strong, long-lived body with little time.
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