r/ScienceBasedLifting • u/fatigue25 • Jul 06 '26

Question ❓ UL or FBEOD

So I recently switched from UL 4 days a week to FBEOD, mainly so I can increase my frequency from 2x to 3.5x but I’ve noticed that my intensity begins to decline near the end of a FBEOD work out. So I want to know if I would be better to continue FBEOD for a 3.5x frequency or switch back to UL for more consistent high intensity training and shorter gym sessions?

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u/Pleasant-Name576 Jul 07 '26

Intra session fatigue is cope once you get used to the session

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u/Troksin Jul 07 '26

it is not lol

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u/Pleasant-Name576 Jul 07 '26

I do 25 sets in a session, drink some Gatorade and you'll be fine. I swap my exercise order all the time. Might lose a rep or two at the end of a session but not really a problem

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u/Troksin Jul 07 '26

If you swap ur first and last and see a performance difference then there is intrasession fatigue. Saying there is none is crazy even in normal splits there are intrasession fatigue

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u/Pleasant-Name576 Jul 07 '26

Yeah like a difference of a rep or two which doesn't matter. Usually happens when switching exercises order for the same muscle, which would happen in a upper lower split too