The Tragicus (muscle of tragus or Valsalva muscle[1]) is an intrinsic muscle of the outer ear.

The muscles of the auricula. (Tragicus visible at bottom right.)
OriginBase of the tragus
InsertionApex of the tragus
ArteryAuricular branches of posterior auricular and auricular branch of occipital arteries
NerveFacial nerve
ActionsIncrease the opening of the external acoustic meatus
LatinMusculus tragicus
Anatomical terms of muscle

It is a short, flattened vertical band on the lateral surface of the tragus.[1]

While the muscle modifies the auricular shape only minimally in the majority of individuals, this action could increase the opening of the external acoustic meatus in some.[2]

Additional images

See also


This article incorporates text in the public domain from page 1035 of the 20th edition of Gray's Anatomy (1918)

  1. "Definition: 'Tragius (muscle)'". MediLexicon International Ltd. Retrieved 9 March 2013.
  2. "Tragicus". AnatomyExpert. Archived from the original on 21 July 2013. Retrieved 9 March 2013.

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