A tetanic contraction of the flexor muscles, curving the back with concavity forward. [G. emprosthen, forward, + tonos, tension]
* * *
em·pros·thot·o·nos .em-.präs-'thät-ən-əs n a tetanic spasm in which the head and feet are brought forward toward each other and the back arched
* * *
em·pros·thot·o·nos (em″pros-thotґə-nəs) [Gr. emprosthen forward + tonos tension] a form of tetanic spasm in which the head and feet are brought forward and the body is rendered tense; called also episthotonos.Medical dictionary. 2011.