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:
“Playing at make-believe, the young child becomes the all-powerful person he cannot be in reality. In pretending, the child takes control of his otherwise powerless position.”
—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)