The platysma muscle or platysma is a superficial muscle of the human neck that overlaps the sternocleidomastoid. It covers the anterior surface of the neck superficially. When it contracts, it …

Dec 3, 2023 · The platysma is a thin sheet-like muscle that lies superficially within the anterior aspect of the neck. It arises in the upper thoracic and shoulder regions from a fascia that covers the pectoralis …

Nov 18, 2025 · The platysma is a broad, thin, paired muscle that covers the front and sides of the neck. It belongs to the group of cervical muscles and forms part of the superficial layer of the anterior neck, …

Platysma is a broad, thin sheet like muscle that lies superficially at the anterolateral aspect of neck bilaterally [1]. It originates in the upper thoracic and shoulder regions from a fascia that covers the …

Aug 27, 2025 · The platysma is a broad, thin, and superficial muscle located in the neck and lower face. This unique positioning allows it to play a noticeable role in both neck movement and facial expressions.

Aug 7, 2023 · The platysma is a superficial muscle found in the neck. It covers most of the anterior and lateral aspect of the neck. The platysma is a broad muscle which arises from the fascia that covers …

The platysma (Latin: platysma) is a broad and flat neck muscle extending from the lower part of the face to the upper thorax. It is classified as the superficial neck muscle.

The platysma is a broad, thin superficial neck muscle originating from the upper chest and shoulder fascia. Its fibers ascend to attach to the lower jaw, cheek, and mouth muscles.

Apr 19, 2026 · The platysma muscle is a broad sheet of muscle arising from the pectoral (chest) and deltoid (shoulder) muscles and rises over the collarbone (clavicle), proceeding upward in a slanting …

The platysma muscle is expansive in size, with a broad width that spans the collarbone, or clavicle, and the side of the neck. Its point of origination is the upper portions of the pectoral, or chest, and the …