The muscle separates
A small synovial bursa lies under the tendon.
Action. The same as that of the extensor carpi radialis longus. Innervation:C6-7. radial nerve.
The extensor digitorum muscle (m. extensor digitorum) stretches on the posterior surface of the forearm. It arises with the extensor carpi radialis brevis from the lateral epicondyle. In the middle of the forearm, the muscle separates into four bellies, each ending in a long tendon The tendon descend to the dorsal surface of the hand, pass under the retinaculum extesnsor through the fourth canal and then diverge toward the four fingers (with the exception of the thumb). Medical Billing Training will help you to do collections and also the pending amounts from the patients.
