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Laryngospasm is characterized by involuntary spasms of the laryngeal muscles. It is associated with difficulty or inability to breathe or speak, retractions, a feeling of suffocation, which may be followed by hypoxia-induced loss of consciousness. [2] It may be followed by paroxysmal coughing and in partial laryngospasms, a stridor may be heard ...
Laryngeal musculature relaxation techniques: Laryngeal muscles surround the vocal folds and by relaxing them, there is reduced pressure on the vocal folds. This can be done by yawning and subsequently sighing, exaggerated chewing while speaking, and speaking or singing the 'm' sound.
Voice therapy consists of techniques and procedures that target vocal parameters, such as vocal fold closure, pitch, volume, and quality. This therapy is provided by speech-language pathologists and is primarily used to aid in the management of voice disorders, [1] or for altering the overall quality of voice, as in the case of transgender voice therapy.
Spasmodic dysphonia, also known as laryngeal dystonia, is a disorder in which the muscles that generate a person's voice go into periods of spasm. [ 1 ] [ 2 ] This results in breaks or interruptions in the voice, often every few sentences, which can make a person difficult to understand. [ 1 ]
These muscles act on the arytenoid cartilages at the posterior ends of the vocal cords and are innervated by the left and right recurrent laryngeal nerves. Damage to these nerves results in vocal cord paralysis - the reduced mobility and inability to adduct one or both vocal cords.
The inferior pharyngeal constrictor muscle is a skeletal muscle of the neck. It is the thickest of the three outer pharyngeal muscles. It arises from the sides of the cricoid cartilage and the thyroid cartilage. It is supplied by the vagus nerve (CN X). It is active during swallowing, and partially during breathing and speech.
Notable techniques include, but are not limited to, the yawn-sigh method, optimal pitch, laryngeal manipulation, humming, the accent method, and the Lee Silverman Voice Treatment. [9] [38] An example of a direct therapy is circumlaryngeal manual therapy, which has been used to reduce tension and massage hyoid-laryngeal muscles. [12]
The intrinsic muscles are divided into respiratory and the phonatory muscles (the muscles of phonation). The respiratory muscles move the vocal cords apart and serve breathing. The phonatory muscles move the vocal cords together and serve the production of voice. The main respiratory muscles are the posterior cricoarytenoid muscles.