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 latest science shows you might not have to choose.

Muscle growth requires patience. Experts break down exactly how long it will take you to see visible muscle definition and what habits you need to achieve it.

Add Yahoo as a preferred source to see more of our stories on Google. Summer's just around the corner and it's starting to get warm. That means a lot of people will be flocking to the gym or spend our ...

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.

Exercises to rebuild muscle after 55: a certified trainer shares 5 daily dumbbell moves to train full-body strength.

Fast-twitch fibers help with explosive movements like sprinting and weight lifting. Genetics and training influence the distribution of fast-twitch and slow-twitch muscle fibers. Doing strength ...

Building functional human muscle in the laboratory has long been a goal of regenerative medicine, but one stubborn obstacle ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...