The biceps brachii muscle and the triceps brachii muscle
A) are synergists.
B) are antagonists.
C) both flex the forearm.
D) are both antagonists and flexors of the forearm.
E) are both synergists and flexors of the forearm.

Question

Quizplus · Accepted Answer

The biceps brachii and triceps brachii muscles are antagonists. The biceps brachii flexes the forearm, while the triceps brachii extends the forearm.

The Biceps Brachii Muscle and the Triceps Brachii Muscle