Which spinal nerve relays motor impulses to most of the muscles of the posterior forearm?
A) ulnar
B) median
C) axillary
D) radial

Question

Quizplus · Accepted Answer

The radial nerve relays motor impulses to most of the muscles of the posterior forearm, including the triceps brachii, anconeus, supinator, and brachioradialis. The other listed nerves (ulnar, median, and axillary) do not primarily innervate muscles of the posterior forearm.

Which Spinal Nerve Relays Motor Impulses to Most of the Muscles