Skin reflex

Skills: Neck
Quiz: Neck

Plantar reflex downward (Normal)

Plantar reflex inverted (Babinski sign)

Miller T., Johnston SC. Should the Babinski sign be part of the routine neurological examination? Neurology. 2005;65:1165-1168

Test characteristics: Sens 35, Spec 77, LR+ 1.5, LR- 0.8

Babinski sign

Babinski sign, a possible injury in the corticospinal tract (pyramidal tracts) causes a pure spinal reflex to be triggered
The big toe slowly bends upward and the toes fan out
Normal phenomenon in children up to 2 years of age

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