adductor pollicis muscle


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ad·duc·tor pol·li·cis muscle

(ă-dŭk'tŏr pol'li-sis mŭs'ĕl)
Origin, by two heads, the transverse head from the shaft of the third metacarpal and the oblique head from the front of the base of the second metacarpal, the trapezoid and capitate bones; insertion, medial side of base of proximal phalanx of thumb; action, adducts thumb; nerve supply, ulnar.
Synonym(s): musculus adductor pollicis [TA] .

adductor pollicis muscle

Hand muscle. Origin: capitate bone of wrist and metacarpals 2-3. Insertion: proximal phalanx of thumb and medial sesamoid bone. Nerve: ulnar (C8-T1. Action: adducts thumb, aides in opposition with digit 5.
See also: muscle
References in periodicals archive ?
The patients were assessed in the first 72 hours of admission to the clinic by classical anthropometry that included percentage of weight loss (% WL), arm circumference (AC), triceps skinfold thickness (TST) and arm muscle circumference (AMC), as well as laboratory parameters such as lymphocytes and albumin, physical examination to investigate the presence of physical signs of malnutrition according Blackburn and Bistrian (1977) recommendations and measurement of adductor pollicis muscle thickness (APMT).
Handgrip strength and adductor pollicis muscle thickness as predictors of postoperative complications after major operations of the gastrointestinal tract.
Adductor pollicis muscle fatigue during acute and chronic altitude exposure and return to sea level.
2000) The effect of age and gender on the relative fatigability of the human adductor pollicis muscle.
Compared with corrugator supercilii muscles, the markedly prolonged recovery of the adductor pollicis muscles may indicate possible involvement of these muscles by myopathy, though this was not apparent clinically.