1) Orthotonus 
Orthotonus ... A form of tetanic spasm in which the neck, limbs, and body are held fixed in a straight line. ... Origin: ortho-+ G. Tonos, tension ... (05 Mar 2000) ... 
(or-thot´ә-nәs) tetanic spasm that fixes the head, body, and limbs in a rigid straight line.
Type: Term Pronunciation: ōr-thot′ŏ-nos, -ŏ-nŭs Definitions: 1. A form of tetanic spasm in which the neck, limbs, and body are held fixed in a straight line.
orthotonos Muscle spasm or rigidity in which the neck and back are held in a straight line; associated especially, with tetanus.