Fitgurú on MSN: Could Your Resting Heart Rate Predict How Long Youll Live? Medical Xpress: Zone 2, 3, 4? What do heart rate zones mean for your health?

Understanding the Context

Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones. Ranging from low to very high intensity, these zones are calculated as ... Zone 2, 3, 4? What do heart rate zones mean for your health?

Key Insights

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ... Runner's World: Is your resting heart rate healthy? Here’s how to check – and what to do if yours is too low or too high Is your resting heart rate healthy?

Final Thoughts

Here’s how to check – and what to do if yours is too low or too high Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...