Levator Labii Superioris Alaeque Nasi

Joe Muscolino

Share This

The levator labii superioris alaeque nasi, a muscle of facial expression. The levator labii superioris and orbicularis oris have been ghosted in.

The Levator Labii Superioris Alaeque Nasi is a muscle of facial expression of the nose and a muscle of fascial expression of the mouth.

The muscles of facial expression of the nose are:

  • Procerus
  • Nasalis
  • Depressor Septi Nasi
  • Levator Labii Superioris Alaeque Nasi

The muscles of facial expression of the mouth are:

  • Levator Labii Superioris Alaeque Nasi
  • Levator Labii Superioris
  • Zygomaticus Minor
  • Zygomaticus Major
  • Levator Anguli Oris
  • Risorius
  • Depressor Anguli Oris
  • Depressor Labii Inferioris
  • Mentalis
  • Buccinator
  • Orbicularis Oris
  • Platysma

The Levator Labii Superioris Alaeque Nasi has two parts: Medial Slip and Lateral Slip.

 

ATTACHMENTS:

  • Maxilla to the upper lip and the nose.
    • The lateral slip attaches into the upper lip.
    • The medial slip attaches into the nose.

 

ACTIONS:

  • Elevates the upper lip.
  • Flares the nostril.

 

NOTE: Flaring the nostrils is functionally important for the intake of a deep breath. It is also important for the facial expression of anger.