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So I have been studying this chart and have a couple of questions. What do the arrows for each phase Easy, Aerobic, Anaerobic signify?

Dr. Couzens - is saying that time at stamina and time for uptake via gut training is the 4th dimension towards high performance?

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Hey Steven,

Have a listen to this video as a starting point:

https://youtu.be/qtj0rDL17b0?si=g25RyFttWNq_O-4p

Also, give Chapter 1 a read - specifically, the section on the Third Framework, Work Capacity

https://feelthebyrn.substack.com/i/139171220/the-third-framework-work-capacity

Then circle back with any specifics and I'll be happy to answer.

When I write about "time being the 4th dimension" - it is because our zones, and performances, change across time. Our capacity changes as the workout, or race, extends.

Thanks,

Gordo

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Jun 25·edited Jun 25Liked by Gordo Byrn

Thanks for sharing. I was able to understand from these and Alan Couzens post

http://alancouzens.blogspot.com/2007/08/interpreting-lactate-curves-for-ironman.html

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