As we age, the performance of our mitochondria (the powerhouse of our cells) declines. This is accompanied by insulin resistance that typically leads to weight gain. Furthermore, studies show that poor mitochondrial function is a root cause of a lot of chronic diseases.
Zone 2 training is the only zone that efficiently improves mitochondrial performance. Here are the numerous health benefits associated with Zone 2 training:
1. Increased mitochondria count
2. Increased mitochondrial efficiency
3. Increased metabolic flexibility
4. Decreased resting heart rate
5. Reduced blood pressure
Zone 2 is triggered not by intensity but rather the DURATION.
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