A site for medical students - Practical,Theory,Osce Notes

Snout Reflex -clinical significance

Method of elicitation
Keep a finger on the upper lip and  a  direct tap on the lips with the examiner's finger lightly over it.
Puckering and protrusion of the lips is seen.
pressure of the knuckle against the center of upper lip provokes con-traction of the orbicularis oris muscle
This is also seen in B/l UMN facial palsy and diffuse cerebral damage.