Muscle growth is more than just moving heavy weights—it's a complex biological response. In this video, we explain how resistance training creates micro-tears in your muscle fibers, triggering a ...

Medically reviewed by Mallory Christopherson DC, FMT, CSCS Muscle growth (hypertrophy) is not a quick process. It requires time, commitment, and consistency and is about more than lifting weights. It ...

Your body is primed to build muscle two times a day—right after your workout and during deep sleep. With the right meal or supplement before bed, you can get stronger while you doze. THE SCIENCE: Your ...

Why some of us have sculpted, toned and visible muscles and some of us carry a little more flab depends on a lot of factors. Part of it is how and how much you work out, explains Todd Schroeder, ...

I’ve always been bookish. I spend most of my time in the lab rather than running, jumping or climbing. But I still have super strong muscles. They’re way bigger than when I was a young. I asked my ...

Exercise can have benefits at the level of neurons, through chemical and mechanical effects, researchers find. The discovery could inform exercise-related therapies for repairing damaged and ...

Here’s something we don’t talk about enough: aging doesn’t shrink all your muscles evenly. Just like getting stronger isn’t a one-size-fits-all deal, neither is getting older. A recent review by ...

Many dedicated gym-goers find themselves frustrated after months of consistent heavy lifting with minimal muscle growth to show for their efforts. The answer often lies beyond the weight room, in ...

MIT scientists find that motor neuron growth increased significantly over 5 days in response to biochemical (left) and mechanical (right) signals related to exercise. The green ball represents cluster ...