There's no doubt that exercise does a body good. Regular activity not only strengthens muscles but can bolster our bones, blood vessels, and immune system. Now, MIT engineers have found that exercise ...

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 ...

Lifting weights is only part of the equation. Muscles grow through a combination of mechanical tension, proper recovery, ...

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 ...

As any bodybuilder can attest, muscles grow when we make them do more work. Now, new research explains how muscle cells translate weight-lifting overload into bulk. The secret lies with a chemical ...

So many people want bigger biceps but don't know how to grow them. Here's what actually works.

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

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

Add Yahoo as a preferred source to see more of our stories on Google. Starting a new strength training program? Here's what you need to know about how long it takes to build muscle. When it comes to ...