chronaxie

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chronaxie

 [kro´nak-se]
the minimum time at which an electric current must flow at a voltage twice the rheobase to cause a muscle to contract. In a strength-duration curve for muscle stimulation, it is the pulse width at a voltage twice that at the rheobase.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

chro·nax·ie

(krō'nak-sē),
A measurement of excitability of nervous or muscular tissue; the shortest duration of an effective electrical stimulus having a strength equal to twice the minimum strength required for excitation.
[G. chronos, time, + axia, value]
Farlex Partner Medical Dictionary © Farlex 2012

chronaxie

also

chronaxy

(krō′năk′sē, krŏn′ăk′-)
n. pl. chronax·ies
The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a threshold response.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

chro·nax·ie

(krō'nak-sē)
A measurement of excitability of nervous or muscular tissue; the shortest duration of an effective electrical stimulus having a strength equal to twice the minimum strength required for excitation.
[G.chronos, time, + axia, value]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

chronaxie

The minimum time for which an adequate electric current must be applied to a nerve to produce a contraction of the associated muscle. An adequate current is one that is at least twice the threshold value.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005