Your body is made up of two kinds of muscle fibers: slow twitch (type 1) muscles, and "fast twitch" (type 2) muscles. "Slow-twitch muscles are the ones in charge of long endurance challenge—so they ...

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.

Fast twitch muscles help with sudden bursts of energy involved in activities like sprinting and jumping. Twitch muscles are skeletal muscles that help support your movement. They’re especially ...

Exercise in the future could be customized for individuals based on genomics, according to a new study. For years, scientists have studied the effects of different types of exercise on the human body, ...

The muscular system works to control the movement of our body and internal organs. Muscle tissue contains something called muscle fibers. Muscle fibers consist of a single muscle cell. They help to ...

The brains of endurance trainers communicate with muscles differently than those of strength trainers or sedentary individuals, new research shows. While it is not immediately clear why the ...

Muscular atrophy is the thinning, wasting, or loss of muscle tissue, leading to decreased strength and mass. There are various types of muscle atrophy and different treatments for them. One common ...