righting reflex

[rītĭng]
n.
  1. Any of various reflexes that tend to bring the body into normal position in space and resist forces acting to displace it out of normal position.static reflex
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.