If you're already used to lifting weights, doing just a few sets per week — but pushing each set to your max — builds the same amount of muscle as doing a lot more sets.

What we've found so far suggests that low volume weight training to failure does not build the same amount of muscle as high volume training in trained lifters. Our current analysis shows the evidence leans against the idea that doing just a few sets to failure produces equal muscle growth compared to higher volume routines. We analyzed the available research and found 33.0 assertions that refute the claim, meaning these studies or expert analyses indicate that higher training volumes are more effective for muscle growth in people who already have lifting experience [1]. In contrast, we found zero assertions supporting the idea that low volume training to failure builds the same muscle as high volume in this group [1]. This means that, based on what we've reviewed so far, pushing a small number of sets to failure does not appear to match the muscle-building results of doing more sets over the week. It’s important to note that all the evidence we’ve reviewed so far points in one direction — away from low volume being equally effective. But our analysis is ongoing, and new findings could shift our understanding over time. We’re not saying low volume doesn’t lead to some muscle growth — just that, based on current data, it doesn’t seem to build as much as higher volume when you're already trained. We don’t know everything yet, and individual results may vary. But right now, the balance of evidence we’ve reviewed suggests that if your goal is maximum muscle growth and you’ve been lifting for a while, doing more sets over the week may be more effective than doing just a few. Practical takeaway: If you're experienced and want to keep growing, adding more quality sets — not just going to failure on a few — might give you better results.