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The triceps brachii and brachioradialis act as antagonists to the biceps brachii during elbow extension.
The triceps brachii muscle acts as the antagonist to the biceps brachii during elbow extension. While the triceps brachii extends the forearm, the biceps brachii flexes it, making them an antagonistic pair of muscles.
During elbow extension, the brachioradialis muscle also plays a role as a synergist to assist in the movement. It is located on the forearm and helps in flexing the forearm along with the biceps brachii.
Understanding the roles of these muscles in the arm's movement is essential in grasping how they work together as an antagonistic pair to facilitate various actions.
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