Reducing training volume by half during a fat loss phase (cut) allows for the maintenance of muscle mass, or even an increase in strength, by focusing on intensity and limiting recovery-related fatigue.

noli's read

The idea that volume can be reduced during a caloric deficit while maintaining gains is supported by scientific literature. Research, notably a meta-analysis published in 'Sports Medicine' (Helms et al.), indicates that the training volume required to maintain muscle is often lower than that required to build it, especially during periods of energy restriction. Jeff’s point on intensity (training close to failure) is crucial, as data suggest that effort intensity is the primary driver of muscle maintenance. The 'novelty' aspect and motivation are real psychological factors, although they are difficult to quantify. The statement does not contain any major exaggeration since the creator clarifies that this is a personal experience (n=1) and not a universal rule. It is scientifically consistent to reduce unnecessary volume which, in a deficit, becomes a systemic burden that penalizes recovery rather than acting as a growth stimulus.

the sources

No named source held this one up — that absence is part of the verdict.