Dec 3, 2023 · The main function of the platysma is to contribute to producing a myriad of facial expressions. With its attachment on the modiolus and the lower lip, it can produce an …

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, …

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 …

Aug 27, 2025 · The platysma muscle performs several actions, primarily involving the lower jaw, lips, and neck skin. It helps to depress the mandible, which aids in opening the mouth.

Overall, the platysma muscle is clinically significant due to its role in facial expression and movement of the neck and shoulders, as well as its impact on the appearance of the neck. …

Platysma can separate into rope-like bands, with irregular tension, causing the appearance of wrinkly skin on the neck. This is associated with the first signs of ageing of the neck, known as …

Jun 6, 2025 · The platysma muscle plays a role in facial expressions and can be seen bulging out during strenuous physical activity. It is also important in neck surgery, as it usually needs to be …

Nov 15, 2025 · The platysma is classified as a muscle of facial expression, primarily drawing down structures of the lower face and neck. Its most recognizable function is the depression of …

The platysma muscle has several important functions. These include opening the mouth, tensing the skin of the neck, and various facial expressions, such as surprise, smiling, frowning, and …

Dec 12, 2025 · Learn about the anatomy and function of the platysma muscle with Innerbody's interactive 3D model.