Xert Breakthrough With Physiological Metrics Part One – Warmup

We Use a Moxy Monitor, a Vo2 Master, PerfPro Studio, and Xert To Show a PROPER Warmup I continue to learn something almost daily when it comes to mixing Physics and Physiology. The data that we get and use for wattage training, is almost always complemented by the information I collect from physiology. We have […]

Xert FTP Tested

Xert Claims my FTP (Functional Threshold Power) Sits At 265 Watts. Is It Accurate?

I’ve always wondered if calculated Functional Threshold Power Values are accurate. Since 2017, however, I have relied on the Xert FTP value.

For years, we relied on the “20-Minute” Test. Riders would perform a 20-Minute effort, all out, and then subtract 5% from that value. The new number was considered “Threshold”.

Later, physiologists looked at 90% of a 3-Minute Maximal Effort.

There’s the 5-1-5 test….

Step Tests (25w steps every 3 minutes)…

Ramp tests (15-20w every minute)…

The latest ‘Testing’ asks for a 20-minute, 5-minute, 1-minute, and 5-second effort.

[caption id="attachment_12832" align="aligncenter" width="1024"]Xert FTP Garmin PerfPro Studio Vo2 Master Xert Claims that my FTP (Functional Threshold Power) is at 265 watts. Let’s find out how accurate that really is.[/caption]

NO MORE TESTING???.

Moxy Monitor Warmup Protocol

The Moxy Monitor Warmup Protocol Ensures a Better Ride!   The Moxy Monitor gives cyclists a better window into their body, and how the body responds to intervals and recovery. When we use the Moxy for warmup observations, we end up with a higher saturated muscle oxygen (SMo2), and a higher Total Hemoglobin Count (ThB). […]

Using the Moxy Muscle Oxygen Monitor to Affirm LT1

Moxy Muscle Oxygen Monitor Is A Passive Way to Detect Lactate Threshold Deflection Points I’ve been using the Moxy Muscle Oxygen Monitor since the product first became available in the early 2010’s. I quickly realized that it offered insights into physical fitness unlike any other product. Today’s Online Bike Coach Daily Ditty shows how my […]

Billat 30-30’s with Xert, Vo2Master, and PerfPro

Billat 30-30’s Are a Great Way to Improve Your Ability to Suffer Under Load!   Xert has zones that flex with time spent above Threshold. When you bite into HIE, the Xert Dial responds by reducing the band of yellow or orange, and expanding the Purple arc, which is theoretically not possible to surpass. When […]

Blowing Up A Workout

The Workout

My first mistake was in preparation. I needed to make some changes in the warmup, but I’m not the biggest fan of the Xert Workout Builder. The changes I wanted were made, but I also ended up making 8 warmup intervals, instead of 8 starter 30-second intervals. That meant that I had to dance around in the workout itself, jumping here and there, to get the warmup I wanted in.

[caption id="attachment_12418" align="aligncenter" width="1024"]Xert OBC Billat 30-30s Using Slope Mode Blowing Up a Workout Here’s the workout. I had no problem achieving the first 6 intervals. It was trying to hit my goals for the next several intervals that blew me up completely.[/caption]

The next problem I encountered in setup was that the 30-second warmup intervals were just too hard. I set them based on % of FTP, instead of % slope, and they pulled my SmO2 values down to SEVEN PERCENT. I only performed five of these, but they really hurt.