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-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

The human body is composed of more than 600 muscles, all of which are very important for movement, strength, and balance. However, among these many muscles are some that are quite large and strong, ...

The first comprehensive cell atlas of aging human muscle reveals the intricate genetic and cellular processes behind muscle deterioration and mechanisms to counteract it. How muscle changes with ...

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 ...