For decades, scientists believed that muscle fiber typology was mostly set at birth—some people were built for speed, others for endurance. However, a 2018 study led by Andrew Galpin of California ...

Researchers have identified the role of the large Maf transcription factor family in regulating fast twitch muscle fibers. A mouse model lacking Maf expression in the skeletal muscles exhibited a ...

When you picture different athletes—marathon runners, gymnasts, and Olympic weightlifters, for example—you likely categorize them instinctively by their height, size, and build. But the differences in ...

Learn how different types of exercise alter muscle fibers for strength and endurance. Leavitt asked if Americans still have First Amendment rights Bartenders say one common request costs them tips — ...

"The short rest periods lead to driving more blood through into the muscles and a higher build-up of metabolic byproducts, aka a bigger pump," Brown says. "When the body experiences this build-up of ...

Add Yahoo as a preferred source to see more of our stories on Google. Usain Bolt, the world’s fastest person, ran a 100-meter sprint at a speed of 23.35 miles per hour (37.57 kilometers per hour).

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.

While most people associate building muscle with strength training, it is possible to build muscle while running if you follow the right training and nutrition plan. And that's great news if you don't ...