why posterior cricoarytenoid is called safety muscle of larynx

Cricoarytenoid Posterior Muscles Anatomy The posterior cricoarytenoid muscle is a crucial component of the laryngeal musculature, playing a vital role in vocal function and respiration. Situated within the larynx, this paired muscle originates from the posterior surface of the cricoid cartilage and inserts onto the muscular process of the arytenoid cartilage. Its primary function is…