The plantar reflex observed during a neurological exam by stroking the sole of the foot with a blunt instrument. The reflex can take one of two forms. In normal adults the plantar reflex causes a downward response of the hallux (flexion). An upward response (extension) of the hallux is known as the Koch sign, or as the Babinski response or Babinski sign, named after the neurologist Joseph Babinski. The presence of the Babinski sign can identify disease of the spinal cord and brain in adults, and also exists as a primitive reflex in infants.
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Simulation Type |
Condition, Using interactive animation |
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Gender Specific |
No, Common for both genders |
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Condition Simulated |
● Flexor plantar reflex (Normal) ● Extensor plantar reflex, or Babinski reflex (Abnormal) |
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Procedure |
● The user can select the leg of the patient to be tested by using a toggle button “Show left/Show right”. ● The system will display patient's foot held by doctor which is relaxing, and a ‘Stroke’ button. ● Hit " Stroke " button to stroke on patient’s foot with a blunt instrument. ● An animation showing patient’s foot movement. ● Note the rate of patient’s foot movement. ● Patient's response rate will will be indicated in a response box. |