The relationship between the biceps brachii and triceps brachii muscles is described as antagonistic, with one flexing and the other extending the forearm during movement.
Antagonists are the words that describe the relationship between the biceps brachii and triceps brachii muscles. In the context of muscle movement, antagonistic muscles work in opposite directions to produce movement around a joint. For example, the biceps brachii is responsible for flexing the forearm, while the triceps brachii is responsible for extending the forearm.
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