Oppenheim's sign
| Oppenheim's sign | |
|---|---|
| Differential diagnosis | Pyramidal tract damage | 
Oppenheim's sign is dorsiflexion of the great toe elicited by irritation downward of the medial side of the tibia. It is one of a number of Babinski-like responses.The sign's presence indicates damage to the pyramidal tract.
It is named after Hermann Oppenheim.