There's a sign of human evolution hidden right inside your body, and one little test could help you see it. Jonathan Bennion, M.P.A, the co-founder and director of the Institute of Human Anatomy in ...

Going through life absent an entire forearm muscle feels like something you’d probably have noticed by now, but as Jonathan Bennion of the Institute of Human Anatomy explains in a recent YouTube video ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...