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What are the muscles of facial expressions?

Asked by Anonymous 

Source: OpenStack, CC BY-SA 4.0

  • Smiling and laughing: Zygomaticus major
  • Sadness: Levator labii superioris and levator angularis
  • Grief: Depressor anguli oris
  • Anger: Dilator naris and Depressor septi
  • Frowning: Corrugator supercilli and procerus
  • Horror, terror and fright: Platysma
  • Surprise: Frontalis
  • Doubt: Mentalis
  • Grinning: Risorius
  • Contempt: Zygomaticus minor
  • Closing the mouth: Orbicularis oris
  • Whistling: Buccinator and orbicularis oris
  • Winking: Orbicularis oculi