Arm muscle anatomy refers to the location and function of the muscles of the arms. These muscles attach to the shoulder blade, upper arm bone (humerus), forearm bones (radius and ulna), wrist ...

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 ...

Your forearm anatomy includes 20 muscles, ranging from the extensor carpi radialis longus to the abductor pollicis longus. One of the largest is the brachioradialis, which helps to bend your elbow.

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day. To build all-around upper-body strength (oh, and gain even more muscle ...

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 ...

Muscle cramps when you use your arm; Trouble rotating your arm (such as turning the palm up or down) You could also see a big bulge in your upper arm. It will look like you have a huge biceps muscle.