![]() Your fingernails would then be in the same spot as the arytenoids (each arytenoid is a small piece of cartilage attached to the back of the vocal fold and also attached to the muscles that move the folds.) The vocal folds should close just as if your were bringing your fingers together (like a scissors). To understand this, imagine that your index and middle fingers represent the vocal folds. One of the most common types of muscle tension dysphonias (MTD) occur when there is a compression of the vocal folds during speech. Muscle tension dysphonias develop when either muscles in the larynx or the muscles in the neck contract improperly during speech. The vocal folds need to be adducted with the proper amount of force so that they can open without significant effort. Briefly, when we speak voiced sounds (the vowels), the vocal folds are brought together ("adducted") and they vibrate as bursts of air pass through them. Movements of the vocal folds during speech are described in more detail in the page on anatomy of the larynx. It differs from a different disorder called spasmodic dysphonia (SD) in SD the problem is felt to originate within a part of the brain called the basal ganglia and it is treated quite differently. In most cases the problem in muscle tension dysphonia (MTD for short) can be said to exist at the level of the neck or the larynx. This can produce a hoarse voice, neck pain, neck fatigue, and even complete loss of the voice. Speaking and singing requires extremely high coordination of many muscles, and under some circumstances these muscles may lose some of this coordination or they may contract inappropriately. ("Dysphonia" is the term used to describe an abnormal sounding voice). When the disorder primarily affects the voice, the condition is called a muscle tension dysphonia. VOICE DISORDERS AND LARYNGEAL MUSCLE TENSION DYSPHONIA: This page provides more information on how laryngeal muscle tension dysphonia can affect the voice. When the voice is primarily affected, these disorders are also called muscle tension dysphonia. "Laryngeal muscle tension disorder" is the general term given to describe a variety of conditions that can cause both voice and breathing problems. ![]()
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