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 ...

Plus, how to train them to support your running performance ...

Skipping is seen as a kid-only activity. Yet it has been shown to have benefits at any age as a way to practice "explosive" movements safely and build and maintain fast twitch muscle fibers which ...

Tsukuba, Japan—Muscle fibers, which constitute skeletal muscle, are classified into two main types: slow-twitch (Type I, red muscle) and fast-twitch (Type II, white muscle). Slow-twitch fibers are ...