Estimation of the number and size of motor units in intrinsic laryngeal muscles using morphometric methods

2008 ◽  
Vol 21 (4) ◽  
pp. 301-306 ◽  
Author(s):  
Humberto Santo Neto ◽  
Maria Júlia Marques
Keyword(s):  
Motor Units ◽  
Laryngeal Muscles ◽  
Morphometric Methods ◽  
Intrinsic Laryngeal Muscles

scholarly journals Motor Innervation of the Intrinsic Laryngeal Muscles: A Histochemical Study with the Glycogen Depletion Technique.

1992 ◽  
Vol 43 (3) ◽  
pp. 227-235
Author(s):  
Ryuichi Aibara ◽  
Hiroshi Okamura ◽  
Toshihiro Mori ◽  
Yuji Kawamura ◽  
Seiji Kawakita
Keyword(s):  
Histochemical Study ◽  
Motor Innervation ◽  
Glycogen Depletion ◽  
Laryngeal Muscles ◽  
Intrinsic Laryngeal Muscles

scholarly journals Triangular body-cover model of the vocal folds with coordinated activation of the five intrinsic laryngeal muscles

2022 ◽  
Vol 151 (1) ◽  
pp. 17-30
Author(s):  
Gabriel A. Alzamendi ◽  
Sean D. Peterson ◽  
Byron D. Erath ◽  
Robert E. Hillman ◽  
Matías Zañartu
Keyword(s):  
Vocal Folds ◽  
Laryngeal Muscles ◽  
Intrinsic Laryngeal Muscles

Intrinsic Laryngeal Muscle Activity in a Spastic Dysphonia Patient

1985 ◽  
Vol 50 (1) ◽  
pp. 54-59 ◽  
Author(s):  
Thomas Shipp ◽  
Krzysztof Izdebski ◽  
Charles Reed ◽  
Philip Morrissey
Keyword(s):  
Muscle Activity ◽  
Emg Activity ◽  
Muscle Paralysis ◽  
Normal Morphology ◽  
Laryngeal Muscles ◽  
Laryngeal Muscle ◽  
Intrinsic Laryngeal Muscle ◽  
Posterior Cricoarytenoid ◽  
Recurrent Laryngeal Nerves ◽  
Intrinsic Laryngeal Muscles

EMG activity from four intrinsic laryngeal muscles (thyroarytenoid, posterior cricoarytenoid, interarytenoid, and cricothyroid) was obtained from one female spastic dysphonia patient while she performed a variety of speech and nonspeech tasks. These tasks were performed before and during a period of temporary unilateral laryngeal muscle paralysis. In the nonparalyzed condition, adductory muscle activity showed intermittent sudden increases that coincided with momentary voice arrests. These muscle patterns and accompanying voice interruptions were not present either when speech was produced in falsetto register or at anytime during the paralysis condition. The data suggest that individuals with this type of spastic dysphonia have normal morphology of recurrent laryngeal nerves and intrinsic laryngeal muscles, which means that the triggering mechanism(s) for spastic dysphonia symptoms must be located at some point neurologically upstream from the larynx.

scholarly journals Graded activation of the intrinsic laryngeal muscles for vocal fold posturing

2010 ◽  
Vol 127 (4) ◽  
pp. EL127-EL133 ◽  
Author(s):  
Dinesh K. Chhetri ◽  
Juergen Neubauer ◽  
David A. Berry
Keyword(s):  
Vocal Fold ◽  
Laryngeal Muscles ◽  
Intrinsic Laryngeal Muscles
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