The suture placed in the arytenoid adduction procedure mimics the action of the lateral cricoarytenoid muscle and pulls the vocal process of the arytenoid cartilage medially and inferiorly.
12.
The "'Cricoarytenoid ligament "'extends from the lamina of the cricoid cartilage to the medial surface of the base and muscular process of the arytenoid cartilage.
13.
The arytenoids articulate with the supero-lateral parts of the cricoid cartilage lamina, forming the cricoarytenoid joints at which they can move apart, tilt anteriorly or posteriorly, and rotate.