Posterior surface of the forearm. Superficial muscles. Extensor carpi ulnaris muscle is labeled in purple.caput humerale - epicondylus lateralis humeri
caput ulnare - dorsal surface of the ulna
Tendon: base of the 5th metacarpal.
Innervation: nervus radialis (ramus profundus).
Function:
Extension of the wrist;
ulnar duction of the wrist together with m. flexor carpi ulnaris.
References
ČIHÁK, Radomír. Anatomie 1. 2. vydání. Praha : Grada, 2001. 497 s. ISBN 80-7169-970-5.
