Estimates suggest there are more than 650 skeletal muscles in the human body. Muscles perform a variety of functions that are essential to life. Skeletal muscles are attached to bones via tendons and ...

Hypotonia is the medical term for low muscle tone that doctors usually diagnose in infants. The condition is less common in adults. People sometimes call it floppy muscle syndrome. Usually, even when ...

The concept of "toning" is a myth — the "toned" look really means having muscle, and low enough body fat to see that definition. It's understandable to be nervous about gaining weight after you've ...

Eating enough to build muscle while still keeping body fat in check can be a challenge for anyone who wants to feel stronger, fitter, and more confident without obsessing over calories. For many women ...