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 ?
de Aguilar-Nascimento, "Measurement of the thickness of the adductor pollicis muscle as a predictor of outcome in critically ill patients," Nutricion Hospitalaria, vol.
The thickness of the adductor pollicis muscle reflects the muscle compartment and may be used as a new anthropometric parameter for nutritional assessment.
Adductor pollicis muscle fatigue during acute and chronic altitude exposure and return to sea level.
(1999) Slower fatigue and faster recovery of the adductor pollicis muscle in women matched for strength with men.
The diaphragm is the muscle that is least sensitive to the effects of muscle relaxants (14-16); thus, complete paralysis of the diaphragm requires a TOF count of 0 and a PTC of 0 measured at the adductor pollicis muscle (6, 17).