Several muscles could be called the "largest" in the body, depending on whether you're talking mass or surface area, but the body's smallest muscle has no competition.

The largest muscle in the human body is the Gluteus Maximus. It is responsible for keeping your posture upright, and is the principal antigravity force working when you walk up stairs.

Types of Muscles In the human body, there are three types of muscle tissue: Skeletal tissue: Skeletal muscles control the tendons, ligaments, and bones of the musculoskeletal system.

Human muscle cells come back from space, look aged Astronauts' muscles atrophy in space, but we can identify the genes involved.

A new gene therapy for Duchenne muscular dystrophy (DMD) has shown promise in not only slowing the progression of the disease but potentially even reversing the muscle damage, with human trials ...

Gabbi Tuft, a former WWE star, tried to lose muscle mass after transitioning. She succeeded by stopping resistance training and starting a keto diet.

What's the new ideal female body type? Now it's thin and muscular, research shows Social media could be sparking the change for women, expert says.

“Muscle is incredibly efficient. It’s 50% of the human body on average, at least for a male,” said Ryan Truby, PhD, an engineering professor at Northwestern University.

If you dread getting on a scale to calculate your body mass index, there’s a good reason to ignore the measure. Body composition tests are an increasingly popular way to gauge health. Here’s ...

From causing muscle loss to raising the risk of blood clots, long-haul space missions can have a profound impact on the human body.