Musculus corrugator supercilii

The corrugator supercilii muscles are two small, triangular muscles of facial expression, which contribute to movement of the eyebrows, including frowning. They are located deep to the frontal part of occipitofrontalis and orbicularis oculi muscles, with which they blend .

Summary

Arterial supply

Innervation

  • temporal branches of the facial nerve

Action

  • combines its actions with orbicularis oculi muscle to pull the eyebrows medially and downwards in bright environments to shield the eyes (e.g. in sunlight)
  • frowning
  • responsible for producing vertical wrinkles on the supranasal strip of the forehead

See also