clasp-knife phenomenon
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Clasp-knife response — refers to a stretch reflex with a rapid decrease in resistance when attempting to flex a joint, usually during a neurological examination. It is one of the characteristic responses of a upper motor neuron lesion. It gets its name from the… … Wikipedia
clasp-knife rigidity — an exaggerated stretch reflex of skeletal muscles seen in spasticity and decerebrate rigidity, resembling the opening of a penknife or clasp knife; there is increased resistance to the extensors (induced by passive flexion of a joint), which… … Medical dictionary
Claspknife — The clasp knife phenomenon also refers to a particular aspect of hypertonia A claspknife or lock knife is a folding knife, strictly speaking one equipped with some means of holding the blade in the open position when in use, so that it cannot… … Wikipedia
Hypertonia — This article is about increased activity and resistance in muscles. For increased blood pressure, see Hypertension. Hypertonia Classification and external resources ICD 10 P94.1 ICD 9 … Wikipedia
effect — The result or consequence of an action. [L. efficio, pp. effectus, to accomplish, fr. facio, to do] abscopal e. a reaction produced following irradiation but occurring outside the zone of actual radiation absorption. additive e. an e. wherein two … Medical dictionary
reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… … Medical dictionary
Expressive aphasia — Classification and external resources Broca s area and Wernicke s area ICD 10 F80 … Wikipedia
Parinaud's syndrome — Not to be confused with Parinaud s oculoglandular syndrome. Parinaud s syndrome Classification and external resources ICD 10 G … Wikipedia
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
List of World War II topics (F) — # F 34 tank gun # F Kikan # F. Burke Jones # F. F. E. Yeo Thomas # F. F. Worthington # F. H. Maynard # F. Lorée # F. Rogues # F. Ross Holland, Jr. # F. S. Bell # F. W. Winterbotham # Föhrenwald # Förbundet Arbetarfront # F1 grenade # Fab Morvan # … Wikipedia
