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#089 Why Exercise Intensity Matters for Longevity | CrossFit for Health 2024

FoundMyFitness

NOTE

Optimizing VO2 Max Improvement

High intensity interval training is crucial for improving VO2 max, especially for individuals who struggle to enhance it through other methods. To effectively enhance VO2 max, it is essential to elevate the heart rate to at least 80% of the maximum heart rate. The Norwegian 4x4 protocol, involving four minutes of high-intensity exercise followed by three minutes of recovery, repeated four times, is a highly effective and evidence-based method for enhancing cardiorespiratory fitness and VO2 max.

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