retropulsion

Retropulsion, rē-trō-pul′shun, n. a disorder of locomotion: repulsion.—adj.

Retropulsion is the first indication, and will often bring the head into its normal position.

This supposed retropulsion of erysipelas on the brain from the frequent appearance of delirium, has prevented the free use of the lancet early in this disease to the destruction of many; as it has prevented the subduing of the general inflammation, and thus has in the end produced the particular one on the brain.

A tendency to go backward or retropulsion has been observed, according to Gray, as has also a tendency to go forward or propulsion.