The Triceps Brachii and Biceps Brachii are Good Examples of ________

Question

The triceps brachii and biceps brachii are good examples of ________.
A) muscles that flex the elbow
B) an agonist-antagonist pair
C) synergists
D) agonists
E) antagonists

Accepted Answer

The triceps brachii and biceps brachii are an agonist-antagonist pair. The triceps brachii is the antagonist which extends the elbow and the biceps brachii is the agonist which flexes the elbow. They work together as a pair to create movement in the arm.