The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. Key fact One way to remember which muscle is the agonist – it's the ...

The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. Key fact One way to remember which muscle is the agonist – it's the ...

Have you heard of agonist and antagonist muscle pairings before? This relationship between your muscles refers to opposing muscle groups, working in tandem, and their function to control and ...