Week 19: The Hidden Flaws of HRV Tracking
And a few more updates
Hi there 👋
A few weeks ago, I had a chat with Jonne Tiili about HRV, when it’s best to measure it, and what are some of the most important aspects when it comes to interpreting the data.
Jonne put together a nice video interviewing other experts as well, which you can find below.
I hope you’ll find some useful pointers in there.
Recent articles and updates
Here’s a new recap of articles, research, and updates from the past month — including a deep dive into lactate testing and how I’m using it during training, thoughts on HRV protocols and tapering, and my race report from the 50 km di Romagna. You’ll also find links to recent publications and interviews, as well as a few reflections on nutrition, wearable tech, and more.
Discount for HRV4Training Pro: 20% off 🖥️
HRV4Training Pro is the ultimate platform to help you analyze and interpret your physiological data, for individuals and teams.
You can find a guide and overview here.
Try HRV4Training Pro for free at HRVTraining.web.app or use promo code SCIENCE for 20% off.
While we really appreciate the pledges on Substack, our writing here will always remain free, and Pro is the best way to support our work.
I thank you for that.
When using Pro, the app will also automatically recognize your account and add the Normal Range to the Baseline view, together with detected trends and additional annotations, which can help contextualizing longer-term changes.
You will also be able to pick rMSSD as the parameter to see on the homepage of the app.
See you next week!
Marco holds a PhD cum laude in applied machine learning, a M.Sc. cum laude in computer science engineering, and a M.Sc. cum laude in human movement sciences and high-performance coaching. He is a certified Ultrarunning Coach.
Marco has published more than 50 papers and patents at the intersection between physiology, health, technology, and human performance.
He is co-founder of HRV4Training, Endurance Coach at Destination Unknown, advisor at Oura, guest lecturer at VU Amsterdam, and editor for IEEE Pervasive Computing Magazine. He loves running.
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