Electromyographic Assessment of the External Laryngeal Muscles of Opera Singers During Phonation and Non-Phonation Tasks

Krasnodębska, Paulina; Szkiełkowska, Agata; Milewska, Marzena

doi:10.1016/j.jvoice.2022.01.002

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…-submentalis muscles (SUB) (the anterior belly of digastricus and geniohyoid), -left cricothyroid muscle (CT) (together with the overlying superior belly of the sternohyoid muscle), -left and right sternocleidomastoid (SCM) muscles, -SCM symmetry (difference between right and left SCM amplitudes) [30]. The recording procedure followed the diagnostic standard published in the literature [31,32].…”

Section: Methodsmentioning

confidence: 99%

“…O R I G I N A L P A P E R analysis of medical history, endoscopic results, voice selfassessment, voice acoustic analysis and analysis the results of EMG muscle activity were published previously by the authors [30]. The methods used in this study were based on the diagnostic standard of the otorhinolaryngological and phoniatric examination.…”

Section: Emotions and Electrophysiology Parametersmentioning

confidence: 99%

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Analysis of the relationship between emotion intensity and electrophysiology parameters during a voice examination of opera singers

Krasnodębska,

Szkiełkowska,

Pollak

et al. 2024

Int J Occup Med Environ Health.

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Objectives: Emotions and stress affect voice production. There are only a few reports in the literature on how changes in the autonomic nervous system affect voice production. The aim of this study was to examine emotions and measure stress reactions during a voice examination procedure, particularly changes in the muscles surrounding the larynx. Material and Methods: The study material included 50 healthy volunteers (26 voice workers -opera singers, 24 control subjects), all without vocal complaints. All subjects had good voice quality in a perceptual assessment. The research procedure consisted of 4 parts: an ear, nose, and throat (ENT)-phoniatric examination, surface electromyography, recording physiological indicators (heart rate and skin resistance) using a wearable wristband, and a psychological profile based on questionnaires. Results: The results of the study demonstrated that there was a relationship between positive and negative emotions and stress reactions related to the voice examination procedure, as well as to the tone of the vocal tract muscles. There were significant correlations between measures describing the intensity of experienced emotions and vocal tract muscle maximum amplitude of the cricothyroid (CT) and sternocleidomastoid (SCM) muscles during phonation and non-phonation tasks. Subjects experiencing eustress (favorable stress response) had increased amplitude of submandibular and CT at rest and phonation. Subjects with high levels of negative emotions, revealed positive correlations with SCM max during the glissando. The perception of positive and negative emotions caused different responses not only in the vocal tract but also in the vegetative system. Correlations were found between emotions and physiological parameters, most markedly in heart rate variability. A higher incidence of extreme emotions was observed in the professional group. Conclusions: The activity of the vocal tract muscles depends on the type and intensity of the emotions and stress reactions. The perception of positive and negative emotions causes different responses in the vegetative system and the vocal tract.

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Section: Methodsmentioning

confidence: 99%

Section: Emotions and Electrophysiology Parametersmentioning

confidence: 99%

Analysis of the relationship between emotion intensity and electrophysiology parameters during a voice examination of opera singers

Krasnodębska,

Szkiełkowska,

Pollak

et al. 2024

Int J Occup Med Environ Health.

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Methods of Measuring Laryngeal Muscle Tension in Patients with Muscle Tension Dysphonia: A Scoping Review

Thomas¹,

Rhodes²,

Mehta³

et al. 2023

Journal of Voice

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Predicting Dysphonia by Measuring Surface Electromyographic Activity of the Supralaryngeal Muscles

Wang,

Yiu

2024

J Speech Lang Hear Res

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Purpose: This study set out to investigate whether individuals with dysphonia, as determined by either self-assessment or clinician-based auditory-perceptual judgment, exhibited differences in perilaryngeal muscle activities using surface electromyography (sEMG) during various phonatory tasks. Additionally, the study aimed to assess the effectiveness of sEMG in identifying dysphonic cases. Method: A total of 77 adults (44 women, 33 men, M age = 30.4 years) participated in this study, with dysphonic cases identified separately using either a 10-item Voice Handicap Index (VHI-10) or clinician-based auditory-perceptual voice quality (APVQ) evaluation. sEMG activities were measured from the areas of suprahyoid and sternocleidomastoid muscles during prolonged vowel /i/ phonations at different pitch and loudness levels. Normalized root-mean-square value against the maximal voluntary contraction (RMS %MVC) of the sEMG signals was obtained for each phonation and compared between subject groups and across phonatory tasks. Additionally, binary logistic regression analysis was performed to determine how the sEMG measures could predict the VHI-10–based or APVQ-based dysphonic cases. Results: Participants who scored above the criteria on either the VHI-10 ( n = 29) or APVQ judgment ( n = 17) exhibited significantly higher RMS %MVC in the right suprahyoid muscles compared to the corresponding control groups. Although the RMS %MVC value from the right suprahyoid muscles alone was not a significant predictor of self-evaluated dysphonic cases, a combination of the RMS %MVC values from both the right and left suprahyoid muscles significantly predicted APVQ-based dysphonic cases with a 69.66% fair level. Conclusions: This study found that individuals with dysphonia, as determined by either self-assessment or APVQ judgment, displayed more imbalanced suprahyoid muscle activities in voice production compared to nondysphonic groups. The combination of the sEMG measures from both left and right suprahyoid muscles showed potential as a predictor of dysphonia with a fair level of confidence. Supplemental Material: https://doi.org/10.23641/asha.25112804

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Electromyographic Assessment of the External Laryngeal Muscles of Opera Singers During Phonation and Non-Phonation Tasks

Cited by 4 publications

References 19 publications

Analysis of the relationship between emotion intensity and electrophysiology parameters during a voice examination of opera singers

Analysis of the relationship between emotion intensity and electrophysiology parameters during a voice examination of opera singers

Methods of Measuring Laryngeal Muscle Tension in Patients with Muscle Tension Dysphonia: A Scoping Review

Predicting Dysphonia by Measuring Surface Electromyographic Activity of the Supralaryngeal Muscles

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