Tag Archives: reflex hammers

Origins of the knee jerk

JMS Pearce  East Yorks, England   Wilhelm Heinrich Erb. By F. Langbein & Cie. Heidelberg. 1897. Universitätsbibliothek Heidelberg. Via Wikimedia. CC BY-SA 4.0 Reflex hammers are the icon or hallmark of every neurologist. How important are the reflexes they elicit? What is their mechanism? The advent of modern technology has made it easy to forget […]

Tendon reflex hammers

JMS Pearce  East York, England   Fig 1. Wintrich hammer cropped from Semantics Scholars The vogue for reflex hammers started with Erb and Westphal’s adjacent papers1,2 in the 1875 issue of the Archiv für Psychiatrie und Nervenkrankheiten, which described the tendon or muscle stretch reflex. Wilhelm Heinrich Erb (1840-1921) read medicine at Heidelberg where he […]