sentences:  The first medical report on poliomyelitis was by Jakob Heine, in 1840; he called the disease "Lähmungszustände der unteren Extremitäten" ("Paralysis of the lower Extremities").Karl Oskar Medin was the first to empirically study a poliomyelitis epidemic in 1890.This work, and the prior classification by Heine, led to the disease being known as "Heine-Medin disease".