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 ...

Repeated exercise, or wasting, can change the way key genes work.

In the short-term, hypertrophy training causes microtrauma to the muscle, making it break down and leading to tiny tears.

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 ...

“For weight loss, working out three to four times per week is optimal,” explains trainer Kehinde Anjorin, NCSF, CFSC, founder ...

Creatine is a natural source of energy that helps your skeletal muscles flex (contract). It helps create a steady supply of ...

This is read by an automated voice. Please report any issues or inconsistencies here. When you walk into a gym, you’ll see lifters meticulously counting sets, tracking reps and stacking plates. But ...