Learn how different types of exercise alter muscle fibers for strength and endurance.

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.

How do muscle cells grow after a workout? And how do your genetics affect your experience as a gymgoer? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

There are a bunch of different reasons that serious endurance athletes generally don’t have big pipes. The most obvious one is that they spend a lot of time running and pedaling and so on, and very ...

If you’ve ever wondered why some people seem to adapt more quickly to resistance training, it’s probably due to the type of skeletal muscle tissue they have. Each of our muscle fibers is either ...

Researchers building a model of muscle damage in a cultured system found that components leaking from broken muscle fibers activate ''satellite cells,'' which are muscle stem cells. While attempting ...

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 ...

"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, ...