Using Garmin Sleep and HRV Stress to Plan My Workouts: Today’s Real Example
When Garmin HRV Stress Hits 72: A Practical Morning Read on Sleep, Load, and What to Do Next Published: April 8, 2026 · Quick, physiology‑driven guidance for the morning after a high HRV Stress reading. I woke to an HRV Stress of 72 on my Garmin and a Garmin Sleep Score in the […]
Predicting the Redline: Using Garmin Sleep Scores to Master Ronnestad 30-15 Intervals
Physiology First: Using Garmin Sleep Scores to Predict Ronnestad 30-15 Success Part I: The Garmin Sleep Score Ronnestad Preflight We often treat training like a game of chance, but the reality is that your body provides a daily “weather report” if you know where to look. Before I even touched my bike this morning, I […]
Decoding the Hard-Start: How Ronnestad Intervals Impact Garmin Stamina & Training Effect
The “Hard-Start” Evolution: Pushing the Limits of the Rønnestad Protocol Testing the Ronnestad Hard-Start Intervals protocol this week provided a fascinating look at oxygen kinetics and internal load. Before this session, I attempted to link my VO2 Master to the phone for a full metabolic calibration. Despite several attempts, the mask simply wouldn’t handshake. Rather […]
The OBC Dicta
The OBC Dicta (or, The Nine Commandments for Peak Performance In Cycling). *** I wrote the first version of this over twenty years ago, hoping that it would become the foundation for another book, but life and acceleration got in the way, and I just found it again in my Google Drive. A ‘Dicta‘ is […]
Vo2Master Vo2Max Value Affirms Garmin Vo2Max Estimator
Vo2Master’s Vo2Max Value Was 98% Consistent with Garmin In May of this year, I wrote a post about the Garmin Vo2Max Calculator. In July, I was able to test my Vo2Max at OBC Headquarters, to compare values. I performed a Graded Exercise Test, using the Vo2Master app. This app, on a cell phone, trapped data […]
DFAA-1 On a BIG SCREEN!
DFAA-1 with ECG is Now Available On a BIG SCREEN! I’ve been working with two professionals now for several months on a project, and we are ready to start releasing it in ALPHA. DFAA-1 (Detrended Fluctuation Analysis – Short Term Variable #1) is a way to look at Heart Rate Variability and Cardio-Vascular Health. Dr. […]
Getting FatMaxxer On the Same Screen As PerfPro Studio
The FatMaxxer App for Android is one of my favorite instruments when used in conjunction with a Polar H10 Chest Strap.
More DFAA1 Files From Myself and my Clients
My Own Sleep Was Not Great, But Things On the Cardio Side Are Really Looking Good Well, once again, I didn’t sleep great last night. I woke up around 1:00am, and was up for about an hour. There is stress at the house with a relative, and that may have contributed. Last night, however, I […]
First Night With A “Pink Noise” Generator
It Was Not the Best Night, But the Time Spent Actually Sleeping With Pink Noise Was VERY Enlightening… I thought I did everything right. Well, almost everything. The one thing I didn’t get around to yesterday was a ride. Instead, I worked on a project for my father, and got a call about some Drone […]
October 9 2021 Post-Ride Analysis
Bouncing Between DFAA1 0.75 and 1.00 for Optimal Fat Burn and Aerobic Base Improvement Having the FatMaxxer Android software on-screen in realtime has brought a new element to my base training. I use the screen to try and keep my intensity between DFAA 1.00 and 0.75. The advantage to this is that I can […]