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Muscles of Facial Expression

From WikiSM

Description

Muscles of Facial Expression (Anterior View)[1]
Main facial expression muscles of face and key facial areas division[2]

General

  • Located within the subcutaneous tissue of the face
  • Originate from the bone/ fascia and insert onto the skin
  • As they contract, they pull on the skin to exert their effects
  • All are innervated by the Facial Nerve

Scalp/Forehead

Eyes/Eyelids

  • Orbicularis oculi
  • Corrugator supercilii
  • Levator palpebrae superioris

Nose

  • Nasalis
  • Procerus
  • Depressor Septi Nasi

Mouth/Lips

  • Orbicularis oris
  • Buccinator
  • Risorius
  • Zygomaticus major
  • Zygomaticus minor
  • Levator labii superioris
  • Levator anguli oris
  • Depressor anguli oris
  • Depressor labii inferioris
  • Mentalis

Neck

Clinical Significance

  • Needs to be updated

See Also

References

  1. ↑ Buettner, Ricardo. "Robust user identification based on facial action units unaffected by users' emotions." (2018).
  2. ↑ Zhao, Minghua, et al. "Deep-block network for AU recognition and expression migration." Multimedia Tools and Applications 82.17 (2023): 25733-25746.
Created by:
John Kiel on 14 April 2025 14:03:14
Authors:
Last edited:
27 May 2026 15:30:21
Categories:
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