When you train your muscles (either by lifting weights, running, or doing resistance work), you create tiny microtears in your muscle fibers. While this might sound detrimental, it’s actually a good ...

Most fitness-minded people have probably heard of fast- and slow-twitch muscle fibers. However, the distinction can be somewhat mysterious, especially in the context of understanding how it relates to ...

Researchers find that a gut bacterium may influence muscle strength and fitness, opening the door to probiotics that support healthy aging.

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 ...

A single species of gut bacterium, one that thrives on the fiber-rich foods central to the Mediterranean diet, boosted forelimb grip strength by roughly 30% in mice, according to a study published ...

If you’ve ever wondered why some people seem to adapt more quickly to resistance training, it’s probably due to the type of skeletal muscle tissue they have. Each of our muscle fibers is either ...

The biology behind muscle pain: calcium chaos, microscopic damage, and the overlooked mechanism that explains how statins can ...

In two new studies, North Carolina State University researchers designed and tested a series of textile fibers that can change shape and generate force like a muscle. In the first study, the ...