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 ...

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 ...

Which exercises are most effective for your pecs? What to know.

Based on the research published in Medicine & Science in Sports & Exercise, the belief that we just need to increase training volume is being shattered. Here’s how. A study by ENES published in ...

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 ...

Researchers have created a magnet-containing gel mat that simulates the mechanical forces exerted on muscle cells during exercise. The novel ‘workout mat’ might assist in testing treatments for people ...

You can't 'tone' muscle, so here's what is really happening when you build muscle definition, and why you need to know about ...

In TODAY.com's Expert Tip of the Day, dietitian Natalie Rizzo shares her favorite post-workout snack to help the body recover ...

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 ...

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 ...