This very brief (1 minute) video shows a demonstration of the action of the lateral cricoarytenoids and interaryenoids in adducting the vocal folds and closing the posterior glottic gap, using an excised cow larynx. THere is a biref demonstration of both the posterior cricoarytenoid and the cricothyroid muscles.
Resource Type: Video
Resource Name: National Center for Voice and Speech
Level:
Category: Anatomy & Physiology
Keywords: IA, PCA, Larynx, Glottis, LCA, Interarytenoids, Posterior cricoarytenoid, Lateral circoarytenoid, Adduct, Abduct
