Definition of opponent muscle in English:

opponent muscle

Syllabification: op·po·nent mus·cle

noun

Anatomy
Any of several muscles enabling the thumb to be moved toward a finger of the same hand.
More example sentences
  • A contracted muscle will have an opponent muscle that will test weak.
  • 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.

Definition of opponent muscle in:

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