Extensor carpi radialis longus is a specific muscle in the forearm that is responsible for extending and abducting the wrist. Some synonyms for this muscle include the extensor carpi radialis long, the Long radial extensor muscle, and the Radial extensor carpi longus muscle. This muscle is one of the primary muscles responsible for movements that involve the wrist and hand. It works in conjunction with other muscles in the forearm, such as the extensor carpi radialis brevis, to provide stability and extension to the wrist joint. Understanding the different synonyms for this muscle can help individuals better understand its function and role in the upper extremities.