A new study explains how a tiny enzyme switch helps muscles make energy during exercise and may even connect to diabetes risk ...

Many people start strength training because they want to build muscle. That’s a great goal – building muscle can help you look and feel great. It improves your metabolism, self-esteem, and overall ...

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 ...

Danielle “Nellie” Bruns, an associate professor in the University of Wyoming’s Department of Zoology and Physiology, has received a five-year, $1.78 million research grant from the National Institutes ...

A comprehensive guide to max out your gains and fill out your shirtsleeves, according to exercise experts.

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 ...

Ever noticed that your muscles feel more sore when it's cold? There's a reason for that. Experts explain why and how to fix it.

Bodybuilders like to feel a muscle working, but for us regular folks, that's not actually a rule you need to follow.

Evaluating peptides for muscle growth requires examining multiple factors: product quality, scientific evidence, safety considerations, and realistic cost-benefit ratios. Quality varies dramatically ...

We’ve all seen pro cyclists with muscles that have been extremely toned by cycling, and the classic physique of big muscular legs with a comparatively small upper body and slim arms. There’s good ...