Normal (Negative) Babinski / Plantar Reflex The plantar reflex is a reflex elicited when the sole of the foot is stimulated 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 Babinski response or Babinski sign #Babinski #Reflex #Plantar #Negative #Normal #Clinical #Video #Signs #PhysicalExam #pyramidal
