Cutting rest time between sets may feel brutal, but it’s one of the most effective ways to keep your muscles working harder, ...

There's a lot of talk about lean muscle compared to bulk muscle, but experts say it's not worth differentiating the two.

"Muscle shirt" may soon take on a whole new meaning if new research out of Washington University in St. Louis pans out. A team has found a way to use bacteria to produce synthetic muscle proteins, ...

Tokyo, Japan – Researchers from Tokyo Metropolitan University have discovered that a protein excreted by type I (slow) muscle fibers, key to muscle endurance, can cause surrounding myoblasts, ...

There can get a point where you’re climbing mountains, navigating rough terrain, or carving fresh pow and feeling good —but ...

All runners, according to a popular school of training thought, can be divided into two categories: slow-twitch and fast-twitch. Physiologically, this idea rests on pretty shaky ground. The old view ...

The double helix of DNA is one of the most iconic symbols in science. By imitating the structure of this complex genetic molecule we have found a way to make artificial muscle fibers far more powerful ...

Artificial muscles made from twisted fibers could offer a compact and lightweight alternative to conventional motors in applications such as miniature robots or medical implants. But these synthetic ...

Researchers have created a new type of fiber that can perform like a muscle actuator, in many ways better than other options that exist today. And, most importantly, these muscle-like fibers are ...

Muscle knots are highly irritated muscle fibers that have tightened into a ball in one area of your muscle. These painful, tender spots can feel sore and often occur in your upper back, shoulders, or ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.