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opposition

A name given to several muscles of the fingers or toes. Function: - action of these muscles bring the tip of thumb into contact with the little finger or any of the other digits. - abduction (APL & APB) & flexion (FPL & FPB) & adduction (adductor pollicis & 1st dorsal interosseous) at the metacarpophalangeal joint Notes: - although comparable muscles in the foot are called 'opponens', no opposition occurs in the foot.

Related

compartments of palm opponens pollicis

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.
  2. Clinically Oriented Anatomy, 4th edition, KL Moore & AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia, PA 1999.