Objectives:
This study aims to collect the different normal laryngeal shape configurations in different singing styles and compare them to Muscle Tension Dysphonia (MTD) diagnostic laryngoscope findings in Van Lawrence, Morrison-Rammage, and Koufman classification systems, to address the gap between laryngologists and singing teachers in appriaching the different laryngeal shapes and contraction.
Methods:
This narrative review included all the published papers of laryngoscopic findings in singers between 1980 – 2023. To address the gap between laryngologists and singing teachers, a questionnaire has been conducted among laryngologists, to assess their knowledge of the different laryngeal shape configurations found in laryngoscope assessment of singers.
Results:
A total of 11 studies met the inclusion criteria. Almost all studies showed sort of an overlap between different singing styles including Opera, Twang, Belting and Rock growl voice and Muscle Tension Dysphonia (MTD) laryngoscopic features of Van Lawrence, Morrison-Rammage, and Koufman classification systems. Questionnaire results are under analysis.
Conclusion:
Analyzing the data of the previously published papers showed an overlap in laryngoscopic findings between different singing styles and Muscle Tension Dysphonia, thus questioning the feasibility and validity of the known Muscle Tension Dysphonia (MTD) different laryngoscopic classification systems.
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