What workout did you do today? (2018/2019)

[Captain_Doughnutman]

Have you read this thread?

Cardiac drift on longer workouts (Aerobic Decoupling)

Hi there, I have thought about cardiac drift recently. From what I understood there seem to be many different reasons for cardiac drift to occur: Heat. The body has to work increasing amounts to cool itself. Dehydration. The blood volume decreases the heart has to pump more. Increased fatigue. The body cycles though different muscle fibres. Mechanical reasons e.g. low inertia trainers (not sure about this one though). … What ever the reason, the body has to gradually produce more input (hear…

And this:

Are You Fit? All About Aerobic Endurance and Decoupling

…aerobically fit endurance athletes experience a decoupling rate of less than 5%.

I’ll have to take a look at my own data now!*

*[edit: crunched my 2hr indoor (power) and 3hr outdoor (speed) rides – both 0% decoupling rate.]