Birmingham Cricopharyngeal Muscle Dysfunction – Alabama Nasal and Sinus Center
What is Cricopharyngeal Muscle Dysfunction? When a person swallows, the upper esophageal sphincter (UES), sometimes called the cricopharyngeus, which is a semi-circular muscle in the neck, relaxes to permit food to pass through to the esophagus and eventually the stomach. When not swallowing, the UES is usually contracted. If Cricopharyngeal Muscle Dysfunction (CMD) is present, […]
