Babinski

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Definition

Noun: 1. Babinski reflex, Babinski sign: A specific neurological reflex test where the big toe extends upward and the other toes fan out when the sole of the foot is firmly stroked along the outer edge from the heel to the ball of the foot. This response is normal in infants but is considered a sign of potential damage to the central nervous system (brain or spinal cord) in individuals over the age of approximately two years.

Usage

The term "Babinski" is used almost exclusively in medical and clinical contexts to describe this specific diagnostic sign. * The neurologist tested for a Babinski reflex to assess the patient's spinal cord function. * A positive Babinski sign in an adult can indicate an upper motor neuron lesion.

Advanced Usage
  • To elicit a Babinski: This phrase describes the action of performing the test.
    • The physician used a key to gently stroke the foot and elicit a Babinski.
  • Babinski is present/positive/negative/absent: These are standard ways to report the result of the test.
    • The clinical notes stated that the Babinski was positive on the right side.
Variants and Related Words
  • Babinski reflex: A full synonym for "Babinski."
  • Babinski sign: A full synonym for "Babinski."
  • Plantar reflex: The general category of reflex to which the Babinski belongs. A "normal" plantar reflex in an adult is the downward curling of the toes (the response), which is the opposite of the Babinski () response.
Synonyms
  • Babinski reflex (noun)
  • Babinski sign (noun)
Related Medical Terms (Not Synonyms)
  • Pathological reflex: A reflex not found in healthy individuals; a positive Babinski in an adult is a pathological reflex.
  • Upper motor neuron lesion: A type of neurological damage often indicated by a positive Babinski sign.
  • Plantar stimulation: The act of stroking the sole of the foot to test the reflex.
Noun
  1. extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons

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