antagonistic muscle

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Related to Antagonist (muscle): fixator muscle, stabilizer muscle
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Noun1.antagonistic muscle - (physiology) a muscle that opposes the action of anotherantagonistic muscle - (physiology) a muscle that opposes the action of another; "the biceps and triceps are antagonistic muscles"
muscle, musculus - one of the contractile organs of the body
agonist - a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist"
antagonist - a muscle that relaxes while another contracts; "when bending the elbow the triceps are the antagonist"
physiology - the branch of the biological sciences dealing with the functioning of organisms