Posterior Cricoarytaenoid Muscle: Structure, Function & Diseases
The cricoarytaenoideus posterior muscle represents an internal laryngeal muscle. Its function is to widen the glottis, which allows breath to pass through the larynx. Therefore, bilateral paralysis of the cricoarytaenoideus posterior muscle (postictal paralysis) leads to shortness of breath – unilateral paralysis often manifests as hoarseness. What is the posterior cricoarytaenoid muscle? The cricoarytaenoideus posterior … Posterior Cricoarytaenoid Muscle: Structure, Function & Diseases