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Muscles for Facial Expressions

Muscles for Facial Expressions

The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...

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Updated: Sep 2, 2025

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

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Mastering Midface Injections.

Hillary A Newsome¹, John J Chi¹

¹Division of Facial Plastic & Reconstructive Surgery, Washington University Facial Plastic Surgery Center, Washington University in St. Louis-School of Medicine, 660 S Euclid AveCampus Box 8115St. Louis, MO 63110, USA.

Facial Plastic Surgery Clinics of North America

|August 7, 2022

Summary

This summary is machine-generated.

Midfacial rejuvenation with injectable filler restores lost volume in aging faces. Precise technique targeting deep fat pads is crucial to avoid complications during this common cosmetic procedure.

Keywords:

Aging face Filler Hyaluronic acid Midface Nonsurgical facial rejuvenation

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Area of Science:

Cosmetic dermatology
Facial anatomy
Aesthetic medicine

Background:

Injectable fillers are frequently used for cosmetic enhancement.
Facial aging involves volume loss, particularly in the midface deep fat pads.
Midfacial rejuvenation aims to restore youthful contours.

Purpose of the Study:

To describe the critical areas for midfacial volume restoration using injectable fillers.
To highlight the importance of anatomical knowledge for successful outcomes.
To emphasize potential complications associated with improper technique.

Main Methods:

Utilizing injectable fillers (e.g., hyaluronic acid) for volume replacement.
Targeting specific deep fat compartments: suborbicularis and deep medial cheek fat.
Employing cannulas or needles for filler administration.

Main Results:

Successful restoration of midfacial volume is achievable with precise filler placement.
The suborbicularis and deep medial cheek fat pads are key targets for rejuvenation.
Adherence to proper technique and anatomical understanding is vital.

Conclusions:

Injectable fillers effectively address age-related midfacial volume deficit.
Respecting facial anatomy is paramount to achieving optimal aesthetic results.
Complications can arise from inadequate technique during filler injections.