________ is a powerful forearm extensor.
A) Triceps brachii
B) Brachioradialis
C) Brachialis
D) Biceps brachii

Question

Quizplus · Accepted Answer

The triceps brachii is a powerful forearm extensor that runs along the back of the upper arm and attaches to the forearm bone. It is responsible for straightening the arm at the elbow and also plays a role in stabilizing the shoulder joint. The other options listed (B) Brachioradialis, (C) Brachialis, and (D) Biceps brachii are not primarily responsible for forearm extension.

________ Is a Powerful Forearm Extensor