The total amount of fat (both groups) that was injected in deep into the paralyzed side of the
thyroarytenoid muscle was 1.79 [+ or -] 0.29 [cm.sup.3].
Aging
thyroarytenoid and limb skeletal muscle: Lessons in contrast.
Effects of electrical stimulation of cricothyroid and
thyroarytenoid muscles on voice fundamental frequency.
To treat the
thyroarytenoid muscle, the patient was placed in supine position with the neck extended by using a shoulder bag.
Her condition was treated with 2.5 units (0.1 mL) of Botulinum Toxin injections to the
thyroarytenoid muscles (see Figure 2) using a transcricoid approach under electromyography guidance.
Smith, "
Thyroarytenoid muscle activity associated with hypophonia in Parkinson's disease and aging," Neurology, vol.
Partial
thyroarytenoid myectomy: an animal study investigating a proposed new treatment for adductor spasmodic dysphonia.
The muscles most involved in laryngospasm are the lateral cricoarytenoid and the
thyroarytenoid (adductors of the glottis) and the cricothyroid (a tensor of the vocal cords) (9).
(6,9,12,13) A typical finding is symmetric high uptake at the muscle origin and insertion of the arytenoid cartilage, posterior cricoarytenoid muscles, and some less intense uptake along the course of
thyroarytenoid and vocalis muscle (11) (Figure 1).
The characteristic Parkinsonian vocal deficit is breathy, whispery, often unintelligible speech due to glottic insufficiency and associated
thyroarytenoid muscle rigidity.
Part 3 ("Physiology") concerns the principal phenomena involved in the generation of vocal sound; topics covered are the adduction of the arytenoids, tension of the vocal ligaments, progressive posterior occlusion of the glottis, chest register, falsetto register, increase and decrease in volume, the vibrating surface of the cord, movement of the vestibule of the glottis, the s uperior
thyroarytenoid ligaments, the ventricles of Morgagni, and epiglottic action.