Dive into the world of heart rate variability (HRV) and resting heart rate with James Breese and Josh Kennedy. In this episode, we go into the science behind HRV, its significance in determining physical fitness, and how it can guide your training priorities. Whether you're a fitness enthusiast or someone just starting your journey, this episode highlights the importance of HRV and how it can impact your overall health and training regimen.

Timeline Summary:

• [00:00:22] Introduction to Heart Rate Variability (HRV)
• [00:01:14] The relationship between HRV and resting heart rate
• [00:02:15] Impact of low HRV on training decisions
• [00:02:55] Importance of health in the Strength Matters system
• [00:06:34] Addressing the fear of cardio in training

Key-takeaways:

1. Heart Rate Variability (HRV): James defines HRV as a measure of the autonomic nervous system and its significance in determining physical fitness.
2. Difference between HRV and Resting Heart Rate: HRV is about the variance in time between heartbeats, and a greater variability indicates better readiness for physical exertion.
3. Aerobic Deficiency Syndrome: James discusses the importance of building cardiovascular capacity slowly, especially for those with low HRV scores.
4. Strength Matters System: Josh emphasizes that health comes first in their training system. They assess clients' health data and prioritize cardiovascular development if needed.
5. Approach to Cardio: James and Josh discuss the common fear of cardio and how it can be made enjoyable with the right intensities. They also touch upon the cultural differences in the perception of cardio between Europeans and Americans.

Websites and Links Mentioned:

• Strength Matters

Remarkable Quotes

"Heart rate variability is a measure of your autonomic nervous system that's widely considered one of the best objective metrics for physical fitness." - James Breese

"The greater the variability, the more ready your body is for physical exertion." - Josh Kennedy

"Without your health, you've got nothing." - Josh Kennedy

"Cardio doesn't have to be pain and suffering. It could be enjoyable if you get it right at the right intensities." - James Breese

"Start walking more at lower intensities to begin with and build it for volume." - James Breese

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