Medical expert of the article
New publications
Subcutaneous Neck Muscle
Last reviewed: 23.04.2024
All iLive content is medically reviewed or fact checked to ensure as much factual accuracy as possible.
We have strict sourcing guidelines and only link to reputable media sites, academic research institutions and, whenever possible, medically peer reviewed studies. Note that the numbers in parentheses ([1], [2], etc.) are clickable links to these studies.
If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please select it and press Ctrl + Enter.
The subcutaneous muscle of the neck (platysma) is thin, flat, lies directly under the skin. It begins in the thoracic area below the clavicle on the superficial plate of the thoracic fascia, passes upward and medially, occupying almost the entire anterolateral region of the neck. There remains not a closed muscle a small section, which looks like a triangle above the jugular notch of the sternum.
Bunches of the subcutaneous muscle of the neck, rising above the base of the lower jaw in the face, are weaved into the chewing fascia. Part of the bundles of the subcutaneous muscle of the neck joins the muscle that lowers the lower lip, and to the muscle of laughter, woven into the corner of the mouth.
The function of the subcutaneous muscle of the neck: lifts the skin of the neck, protecting the superficial veins from compression; pulls the corner of the mouth downwards.
Innervation of the subcutaneous muscle of the neck: the facial nerve - VII (cervical branch).
Blood supply to the subcutaneous muscle of the neck: superficial artery of the neck, facial artery.
Where does it hurt?
What do need to examine?