Heart Rate Training
Discover the importance of heart rate zones in maximizing workout efficiency. By understanding the work-to-rest ratio, you can optimize your high-intensity interval sessions, whether they last 60 seconds or four minutes. Even minimal efforts, like a single four-minute session each week, can lead to significant fitness gains.In this clip
From this podcast

The Proof with Simon Hill
Lifestyle Choices for Longevity and Well-Being | Highlights of 2023 (Part 2)
Related Questions
Please clarify how to achieve the heart rates in the HIIT protocol: "4 intervals alternating between 4 minutes at 85–95% of maximal heart rate and 3 minutes at 60–70%." It seems impossible to immediately transition from 70% MHR to 85-95%, and vice versa.
How close to max heart rate should I get when doing High-Intensity Interval Training (HIIT)?
How many minutes per week should I be in each heart rate zone?