Question

which muscle of the posterior forearm is responsible for extension and adduction of the wrist? a.) extensor carpi ulnaris b.) extensor digitorum c.) extensor carpi radialis brevis d.) extensor carpi radialis longus

Explanation:

The Extensor Carpi Ulnaris muscle is located in the posterior forearm. Its main functions include wrist extension and adduction. The Extensor Digitorum primarily extends the fingers. The Extensor Carpi Radialis Brevis and Longus are more involved in wrist extension and abduction rather than adduction.

Answer:

A. Extensor Carpi Ulnaris