The extensor carpi radialis brevis muscle aids in moving the hand. Specifically, it abducts and extends the hand at the wrist joint. The muscle works in concert with the extensor carpi radialis longus ...

The extensor digitorum muscle (also called the “extensor digitorum communis”) is one of the key muscles on the backside of the forearm. The extensor digitorum muscle helps in the movements of the ...

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 ...

Extensor tendonitis is an inflammatory condition of the tendons on the back of the hands or the top of the feet. These tendons attach to muscles that straighten your fingers and lift up your toes and ...