In a significant stride forward in the field of bio-inspired robotics, researchers have engineered artificial muscles powered by artificial intelligence (AI). These muscles, made from materials that ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Muscles make up nearly 40% of the human body and power every move we make, from a child's first steps to recovery after injury. For some, however, muscle development goes awry, leading to weakness, ...

As you bite into a crisp apple, your jaw muscle contracts, allowing you to grind the fruit between your teeth. When you climb a flight of stairs, your gluteus maximus (or "glutes") push your body ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

Try arm exercises to build muscle after 50, a daily plan designed by Jarrod Nobbe, MA, CSCS, using bands and bodyweight.