Dimensions, Function and Applications of the Auricular Muscle in Facial Plastic Surgery - PubMed (original) (raw)

. 2021 Feb;45(1):309-314.

doi: 10.1007/s00266-020-02045-x. Epub 2020 Nov 30.

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Dimensions, Function and Applications of the Auricular Muscle in Facial Plastic Surgery

Brian H Chon et al. Aesthetic Plast Surg. 2021 Feb.

Abstract

Purpose: To determine the dimensions and function of the auricular muscle and to consider applications of this muscle in facial plastic surgery.

Methods: Nonpreserved fresh frozen human cadaver dissections from the (HOSPITAL-Blinded) Body Donation program were dissected. The length and width of the superior auricular muscle were measured. One surgeon performed all dissections and measurements.

Results: A total of seven left and five right hemifaces were studied. The average central height of the superior auricular muscle was 4.7 cm, and an average width was 5.0 cm. There was no significant difference between the average values of the left versus the right hemiface measurements. The muscle originated in the fibers of the galea and temporal fascia and inserted into the conchal cartilage in each specimen. Engaging the muscle in its line of action yielded slight elevation of the forehead and prevented movement of the galea along the vertex of the scalp.

Conclusions: The auricular muscle acts as an occipitofrontalis stabilizer and a weak brow elevator.

Level of evidence iv: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors - www.springer.com/00266 .

Keywords: Auricular muscle; Auricularis; Ear auricle; Facial muscles; Humans; Muscles/surgery.

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