Extensor carpi radialis longus

Home/Extensor carpi radialis longus
Extensor carpi radialis longus 2016-12-29T15:14:03+00:00

The extensor carpi radialis longus is one of the five main muscles that control movements at the wrist. This muscle is quite long, starting on the lateral side of the humerus, and attaching to the base of the second metacarpal bone (metacarpal of the index finger).