A precise repositioning of the fractured bones, in such a way that the ankle joint is exactly restored, only really became possible with the invention of the plaster cast in 1851, by Dutch army surgeon Antonius Mathijsen, the discovery of X-rays by Wilhelm Conrad Röntgen in 1895, and the development of a completely new operational technique by the Arbeitsgemeinschaft für Osteosynthesefragen (AO Foundation) in Switzerland in 1958. Today,
