antagonist
- noun
- /ænˈtæɡənɪst/
- Specialized
- This FNS-KE exercise system provides smooth contractions of the quadriceps muscles, and there is no apparent need for co-contraction of antagonist muscles.
Examples
-
So with coordinated muscle and action, we have this beautifully timed process where one muscle contracts and the antagonist or yoked muscle relaxers.
-
When one muscle contracts, its antagonist muscle relaxes to allow smooth movement during exercise.
-
Ondansetron is a 5-HT3 receptor antagonist used for the prevention of nausea and vomiting in patients receiving chemotherapy or radiation therapy.
Academic text (2007) -
The first clinical fitting (to our knowledge) of a powered hand prosthesis, controlled directly by antagonist muscles (via exteriorized tendons) in a physiological manner, was accomplished.
Academic text (2001) -
In the human body, the biceps and triceps work together, where the triceps serve as the antagonist to the biceps during arm extension.
-
During flexion of the forearm, the biceps contracts while its antagonist, the triceps, relaxes to allow the motion.
Synonyms
A muscle that works against another to control movement at a joint
Antonyms
Compounds
- Specialized
A medicine that stops estrogen from working used to treat some breast cancers
- Specialized
A drug that stops the effects of strong pain medicines and helps breathing
- Literature
A powerful character who opposes the hero and creates major conflict
Surface Forms
Morphology
Etymology
Antagonist comes from the Greek parts anti- 'against' and agon 'contest'. In the body an antagonist muscle works 'against' another muscle by relaxing when the other pulls, so it opposes the movement.