Oppenheim's sign is dorsiflexion of the big toe elicited by irritation downward of the medial side of the tibia
Positive sign indicates a damage to the pyramidal tract.
It is named for Hermann Oppenheim.
Famous quotes containing the words oppenheim and/or sign:
“Although there are not real winners or losers, in games of pretending children soon learn that the game ends when mutuality ends.”
—Joanne E. Oppenheim (20th century)
“There is an innocence in lying which is the sign of good faith in a cause.”
—Friedrich Nietzsche (1844–1900)