It's well known that spaceflight causes muscle atrophy and other biological changes in reduced gravity, and especially in ...

slow-twitch muscle fibers, which move more slowly but help to keep you moving longer fast-twitch muscle fibers, which help you move faster, but for shorter periods “Twitch” refers to the contraction, ...

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

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.

University of Delaware’s Mona Batish is a molecular biologist. She studies circular RNAs formed as a result of so-called molecular mistakes that occur when a strand of RNA — the ribonucleic acid that ...

An international team of researchers has identified an intestinal bacterium that could play an important role in maintaining muscle strength, a discovery that could pave the way for the development of ...

Engineers at Washington University in St. Louis have developed a new class of protein-based fibers modeled on the aligned ...

Building functional human muscle in the laboratory has long been a goal of regenerative medicine, but one stubborn obstacle remains: real muscle is not just a mass of cells. Its strength and function ...

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 ...