Heart-Rate Variability Training (HRV) There is a fair amount of research suggesting that, when the autonomic nervous system is working properly–not over-stressed–heart rate dances around like a barefoot ballerina on hot concrete. When stress levels are high, it tends to become rigidly locked into certain rates. The more variable the rate, the healthier the heart. Hence, training HRV is reputed to have a positive effect on both the heart and the brain. HRV is an excellent training–like almost all peripheral […]
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