The cricoarytenoid ligament connects the posterior superior cricoid arch to the base of the arytenoid cartilages, reinforcing the cricoarytenoid joint capsule and limiting excessive arytenoid movement.
Constrains arytenoid cartilage rocking and gliding at the cricoarytenoid joint, prevents joint subluxation during forceful phonation, and contributes to glottic closure stability.
Cricoarytenoid ligament laxity may contribute to arytenoid subluxation from traumatic intubation. Its integrity is assessed during endoscopic examination — excessive arytenoid mobility on probe testing suggests ligamentous laxity.
Traumatic intubation stretching the cricoarytenoid ligament and subluxing the arytenoid cartilage, producing hoarseness and abnormal arytenoid mobility on laryngoscopy, managed by early endoscopic repositioning.
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