Dynamic changes in some facial muscles after superficial versus deep hyaluronic acid injection: An electromyographic study

Document Type : Preliminary preprint short reports of original research

Authors

1 Department of Dermatology & Venereology, Faculty of Medicine, Alexandria University, Egypt

2 Department of Physical Medicine, Rheumatology and Rehabilitation, University of Alexandria

3 Department of Dermatology & Venereology, Faculty of Medicine, Alexandria University, Egypt

Abstract

INTRODUCTION
According to American Society of Plastic Surgeons (ASPS) 2020, among middle-aged females worldwide, soft tissue filler injection is the second most popular minimally invasive cosmetic procedure. The majority of injectable filler procedures seek to enhance local volume at a desired aesthetic location, but there is insufficient research or realization of the possible regional or panfacial effects.
Facial electromyography (EMG) is a technique for measuring facial muscle contractions. Unlike needle electrodes, surface electrodes do not cause discomfort or infection and do not require medical training.
Dermal fillers are now used for more than just managing static rhytides and volume restoration; they can also be used to purposefully alter the balance and contractility of the facial musculature. In order to either enhance or impede muscle action, myomodulation involves carefully placing dermal filler in the area of the sphincter or facial mimetic muscles. Three fundamental elements, in addition to these traits, contribute to the function of muscle movement in facial expression: the length-tension relationship, muscle pulley and lever systems, and the action of functional muscle groups.

Keywords

ALEXMED ePosters
Volume 5, Issue 4
December 2023
Pages 45-46

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