Schaeffer's sign

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Schaeffer's sign is a clinical sign in which squeezing the Achilles tendon elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like responses.[1]

The sign takes its name from the German neurologist Max Schaeffer (1852-1923).


  1. ^ Kumar SP, Ramasubramanian D (December 2000). "The Babinski sign--a reappraisal". Neurol India. 48 (4): 314–8. PMID 11146592. Retrieved 2009-04-13. 

External links[edit]

Schäffer's reflex at Who Named It?