The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

But the strongest muscle by weight is the masseter, a chewing muscle in the jaw, D'Agostino said. It is small, but it has many fibers packed into it and has a perfect 90-degree insertion angle on the ...

It’s easy to exercise the muscles you can see—your biceps, your quads—but there are more muscles in your body than just the big ones. We’ve talked before about the muscles in your hands and forearms, ...

Our feet, marvels of evolutionary engineering with 26 bones, 33 joints, and over 100 muscles, tendons, and ligaments, have become prisoners of modern footwear. This complex foundation that once ...

These three simple tests could save you a lot of pain in the long run. By Jen Murphy Building long-term strength means training all parts of your body: your legs, your arms and your core. But what ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Efficiently standing up and walking and running on two feet stands ...

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 ...