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 ...

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 ...

Muscle fibers resemble entire tissues "Due to the heterogeneity of its nuclei, a single muscle cell can act almost like a tissue, which consists of a variety of very different cell types," explains Dr ...

Most cells typically have one nucleus that holds its genomic DNA. Muscle fibers, however, are large, individual cells that contain many nuclei. Reporting in Nature Communications, scientists have used ...

Tokyo, Japan – Researchers from Tokyo Metropolitan University have shown that the protein Musashi-2 (Msi2) plays a key role in the regulation of mass and metabolic processes in skeletal muscle. They ...

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 ...

Forget what you’ve heard about "toning" vs. "building"—science proves all muscle is created equal, and your ultimate look ...

People with type 2 diabetes tend to have poorer muscle function than others. Now a research team at Lund University in Sweden has discovered that in type 2 diabetes, a specific gene is of great ...

Skeletal muscle is the largest metabolic organ in the body. It is composed of muscle fibers, blood vessels, nerves and connective tissue. In skeletal muscle, blood vessels are responsible for ...