Definition of opponent muscle in English:

opponent muscle

Anatomy

Any of several muscles enabling the thumb to be placed front to front against a finger of the same hand.
→ opponens
- ‘The reverse action is performed by that muscle's opponent muscle, usually situated on the opposite side of the limb or part of the body in which the movement is produced.’
- ‘A contracted muscle will have an opponent muscle that will test weak.’

Word of the Day

appaloosa

Noun

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