Main Model
A LARYNX : 11 Posterior crico-arytenoid
Muscle of Larynx
Muscle: Posterior crico-arytenoid
Origin: Posterior surface of lamina of cricoid cartilage
Insertion: Vocal process of arytenoid cartilage
Innervation: Inferior laryngeal nerve (terminal part of recurrent laryngeal nerve, from CN X)
Main Action(s): Abducts vocal folds