The muscle that extends the forearm is the
A)brachialis.
B)triceps brachii.
C)brachioradialis.
D)biceps brachii.

Question

Quizplus · Accepted Answer

The triceps brachii is the muscle that extends the forearm. It is a three-headed muscle located on the back of the upper arm and acts to straighten the arm at the elbow joint. The other muscles listed (brachialis, brachioradialis, and biceps brachii) are involved in flexion of the forearm, not extension.

The Muscle That Extends the Forearm Is the