Taking a bit more time to rest between weightlifting sets might help your arms and thighs grow a tiny bit more, but the difference is so small it might not even matter in real life.

Resting more than a minute and a half between sets doesn’t seem to help you build more muscle than resting for about a minute — it’s not worth the extra time.

If you're new to lifting weights, resting a bit longer between sets might help your legs grow a little more, but it won't make much difference for your arms or overall muscle mass.

Inter-set rest intervals exceeding 60 seconds promote greater skeletal muscle hypertrophy compared to rest intervals of 60 seconds or less, when training volume and intensity are matched.

Resting for 1 to 3 minutes between sets doesn’t seem to build more muscle than resting for 1 to 1.5 minutes — the difference is too small to matter in practice.

Taking a little longer break between sets of weightlifting (more than a minute) might help your arms and legs grow slightly bigger, but the difference is so small it might not even matter in real life.