Upper Back and Arm Work GPP

Morning,
Is there a materially different training effect from structuring GPP work (upper back and arm work) as straight sets as opposed to an AMRAP? So long as volume and RPE (ensuring sets are done submaximally) are roughly equated, do you think performing 3-4 straight sets in lieu of a prescribed AMRAP (eg 7 mins) would accomplish the same training effect? Thanks in advance!

I’m not sure I understand the phrase “materially different” here, but yes there are subtle differences between repeated, submaximal sets and sets taken to failure.

If you’re asking for a difference in repeated submaximal sets done with and without a time constraint, I think the biggest differences are going to be time spent and metabolic byproduct build-up. To the extent the former has an effect on reducing total fatigue and the latter has an effect on increasing hypertrophy, tilts my preference in favor of the AMRAP for certain training goals. If we’re talking about 3-4 sets, I don’t think it matters at all.

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Appreciate the helpful response