extensor rigidity

extensor /ex·ten·sor/ (-ser) [L.]

1. causing extension.

2. a muscle that extends a joint.

ex·ten·sor (

k-st

A muscle that extends or straightens a limb or body part.

extensor

[iksten′sər]

Etymology: L, extendere, to stretch out

any muscle that extends a body part, such as the extensor indicis, which extends the index finger.

extensor [ek-sten´ser] (L.)

1. causing extension.

2. a muscle that extends a joint; see muscle.

extensor

[L.] any muscle that extends a joint. See Table 13 for list of all muscles.

crossed extensor reflex

see crossed extensor reflex.

extensor postural thrust

a postural reflex reaction tested in small animals by lifting the patient off the ground, then lowering it to see whether the hindlegs are extended to make contact and support weight and several short steps are taken to maintain posture. Called also extensor reaction.

Extensor postural thrust response. By permission from Sharp NJH, Small Animal Spinal Disorders, Mosby, 2004

extensor process disease

see pyramidal disease.

extensor reaction

see extensor postural thrust.

extensor rigidity

see under upper motor neuron.

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abductor muscle of little finger articular muscle deltoid muscle depressor muscle of angle of mouth depressor muscle of lower lip extensor muscle of fingers extensor muscle of index finger extensor muscle of little finger extrinsic muscle triangular muscle	extension of life extension partial denture extensive grazing Extensive support extensor extensor carpi radialis brevis extensor carpi radialis longus extensor carpi ulnaris extensor digiti minimi extensor digitorum extensor digitorum brevis extensor digitorum longus extensor hallucis brevis extensor hallucis longus extensor indicis extensor lag extensor muscle of fingers extensor muscle of index finger extensor muscle of little finger Extensor muscles extensor pollicis brevis extensor pollicis longus extensor retinaculum extensor retinaculum of the ankle extensor retinaculum of the hand extensor rigidity extensor thrust extenuate exteriorize extermination extern external external abdominal oblique muscle external abdominal region external absorption external acoustic meatus external acoustic pore external aperture of aqueduct of vestibule external aperture of canaliculus of cochlea external aperture of tympanic canaliculus external auditory canal external auditory foramen external beam radiotherapy external capsule external carotid artery external carotid nerve external carotid plexus external carotid steal syndrome external cephalic version external cervical os external chest compression	Extensor muscles Extensor muscles extensor pollicis brevis extensor pollicis brevis Extensor pollicis brevis muscle Extensor pollicis longus Extensor pollicis longus Extensor pollicis longus muscle extensor postural thrust extensor postural thrust extensor postural thrust extensor process disease extensor process disease extensor process disease extensor reaction extensor reaction extensor reaction extensor retinaculum Extensor retinaculum (disambiguation) extensor retinaculum of foot, inferior extensor retinaculum of foot, inferior extensor retinaculum of foot, inferior extensor retinaculum of foot, superior extensor retinaculum of foot, superior extensor retinaculum of foot, superior extensor retinaculum of hand extensor retinaculum of hand extensor retinaculum of hand extensor retinaculum of the ankle Extensor retinaculum of the hand extensor rigidity extensor thrust Extensors Extensors Extensors Extensure extent extent extent extent extent Extent (file systems) Extent in aid Extent in chief extent of a military exercise extent of authority extent of damage extent of damage Extent of Disease Extent of reaction Extent of reaction Extent of reaction Extent of reaction (chemistry) Extent of reaction (chemistry) Extent of reaction (chemistry) extent of surface extent of the court’s authority extent of view Extent of Wall Thickening Extention Extention

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