A Muscle That Extends the Elbow is the _______

Question

A muscle that extends the elbow is the _______.
A) triceps brachii
B) biceps brachii
C) deltoid
D) brachialis

Accepted Answer

The triceps brachii is a large muscle located on the back of the upper arm and functions to extend the elbow. The biceps brachii is a muscle located on the front of the upper arm and functions to flex the elbow. The deltoid is a muscle located on the shoulder and functions to lift and rotate the arm. The brachialis is a muscle located on the front of the upper arm and functions to flex the elbow, but not extend it.