opisthotonos
Noun
Meaning
A tetanic spasm in which the body is bent backwards and stiffened.
Source: Webster's dictionaryHypernyms
Examples
The characteristic position is called "stargazing", meaning a chick "sitting on its hocks and the head in opisthotonos ".
In cattle, constant changing of position of the feet gives bluetongue the nickname The Dancing Disease. citation Torsion of the neck ( opisthotonos or torticollis ) is observed in severely affected animals.