Here's why:
* Agnostic refers to the state of not knowing or believing in a specific deity or belief system. It doesn't relate to muscles.
* Muscle pairs typically refer to antagonistic muscle groups, which are muscles that work in opposition to each other to create movement. For example, the biceps brachii and triceps brachii in the arm.
It's possible you might have encountered a term or concept that sounds similar but is misremembered or mispronounced.
Could you please clarify the term or provide more context?
