Muscles of the head, face, and neck. Risorius shown in red. This is the most standard version of the direction and origin of the muscle. The risorius muscle is a highly variable muscle of facial …

Oct 30, 2023 · Overview of the muscles responsible for facial expression. Risorius is a slender and narrow facial muscle that belongs to the buccolabial group of muscles. It is highly variable …

Jun 5, 2023 · The risorius muscle is a narrow bundle of muscle fibers that becomes narrower from its origin at the fascia of the lateral cheek over the parotid gland and superficial masseter and …

Learn about the risorius muscle, its origin, insertion, action, innervation, and arterial supply. Understand its role in facial expressions.

Jul 28, 2020 · The Risorius is a muscle that controls facial expressions arising within the fascia that is over the parotid gland. It passes horizontally forward, inserting onto the skin at an angle …

Jun 30, 2022 · The Risorius begins around the parotid gland, a salivary gland in the back of the jaw, and wraps around the platysma muscle, a muscle located in the chest and neck.

Dec 18, 2022 · The risorius is a small, thin muscle located in the face. It is one of the muscles of facial expression, which are responsible for controlling the movement and expression of the …

The risorius is a thin, highly variable muscle of facial expression located in the superficial layer of the cheek. it contributes to smiling by retracting the angle of the mouth laterally — producing a …

May 10, 2025 · The risorius muscle is a thin, strap-like muscle located under the skin of the cheek. It helps produce facial expressions, primarily drawing back the corners of the mouth to …

The risorius is a small muscle located in the cheek that is responsible for pulling the corners of the mouth laterally, creating a grinning or laughing expression.