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The Babinski response is extension of the toe at the MTP joint on eliciting
the plantar reflex.
It generally indicates an upper motor neurone lesion.
However, a Babinski response may also be present after a grand mal seizure, or
in a patient in a deep coma.
- the extensor plantar response
is the normal response in the immature nervous system until 6 months of age (in
term infants) at which point the persistence or appearance of an extensor plantar
response becomes a Babinski response (1)
MK et al. The rise and fall of the plantar response in infancy. J Pediatr 1998;133:568–570.
N and O'Connor S, 'Clinical Examination', 2nd ed., (1992), Blackwell Scientific
Last reviewed 01/2018