Photography Markus Bidaux
Unecessary rest, as it’s called, is probably what’s really holding you back from hitting the gym on those days you feel you’re a bit squeezed for time. And not only is it time wasted, it can also be having a negative effect on your results. If you’re hoping to build muscle, you usually don’t want to be resting any longer than 90 seconds between sets.
Any more than that diminishes the amount of metabolic stress, which is what encourages muscle growth.