The Posterior Interosseous Nerve Innervates Muscles Found in the ________

Question

The posterior interosseous nerve innervates muscles found in the ________.
A) posterior compartment of the arm
B) superficial anterior compartment of the forearm
C) anterior compartment of the arm
D) deep anterior compartment of the forearm
E) posterior compartment of the forearm

Accepted Answer

The posterior interosseous nerve, a branch of the radial nerve, innervates the muscles in the posterior compartment of the forearm, which are primarily involved in wrist and finger extension.