Muscles / Head & neck
Risorius
- Head & neck
- Head & face
- Superficial layer
Anatomy
- Origin
- Parotid fascia and skin of the cheek
- Insertion
- Modiolus at the angle of the mouth
- Nerve
- Facial nerve (CN VII), buccal branches
Actions
- Draws the angle of the mouth laterally
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e