Zill Sasha N
Department of Anatomy and Pathology, Joan C. Edwards School of Medicine, Marshall University, Huntington, West Virginia 25701, USA.
Curr Biol. 2007 Jun 19;17(12):R462-4. doi: 10.1016/j.cub.2007.04.028.
Humans and many other animals can readily walk forward or backward. In insects, the nervous system changes the effects of sense organs that signal forces on a leg when the direction of walking is reversed.
