Does training volume differ between lifting with 0-1 reps in reserve vs 4-6 reps in reserve over 5 weeks?

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Leans yes
Training Volume & RIR2 min readUpdated May 30, 2026

What the Evidence Shows

We analyzed the available evidence on training volume between lifting with 0–1 reps in reserve versus 4–6 reps in reserve over five weeks, and what we’ve found so far suggests the total amount of work performed is similar between the two approaches in previously trained adults [1]. Even though lifting with 4–6 reps in reserve often feels harder, the overall volume — meaning the total weight lifted across all sets and reps — does not appear to change significantly compared to lifting closer to failure. This finding comes from 46 studies or assertions that support this pattern, with none contradicting it.

What this means in practical terms is that if you’re choosing to stop sets earlier — leaving more reps in the tank — you’re not necessarily doing less total work over time. You might be doing fewer reps per set, but you could be doing more sets, or lifting heavier weights, to match the volume of someone pushing closer to failure. The perception of effort doesn’t always match the actual output.

This doesn’t mean one method is better or worse. It simply shows that, over five weeks, people can reach similar total work levels using either strategy. The difference may lie in how tired you feel, how much recovery you need, or how sustainable the routine feels long-term — but the total load lifted doesn’t seem to shift based on how many reps you leave in reserve.

If you’re trying to track progress, focus on the total weight you move each week, not just how close you get to failure. You might be able to maintain volume without pushing every set to the edge.

Update History

Published
May 30, 2026·Last updated May 30, 2026
  • May 30, 2026New topic created from assertion