Direct and indirect mucosal wave imaging techniques

Krasnodębska, P.; Szkiełkowska, A.

Polski Merkuriusz Lekarski Organ Polskiego Towarzystwa Lekarskiego 40(238): 260-263


ISSN/ISBN: 1426-9686
PMID: 27137829
Accession: 057629823

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The vocal folds play a key role in the process of phonation. Cyclical movements of the vocal folds model a space called glottis, what leads to voice formation. The space contains surface between the vocal folds and the inner surface of the arytenoid cartilages. The best indicator of the vocal folds vibratory function is the mucosal wave. The presence and size of the mucosal wave is widely recognized as an indicator of tension and plasticity of vocal folds. It is also essential in the process of creating a proper, resonant voice. In the article, current knowledge of mucosal wave imaging techniques is given. Imaging can be carried out directly and indirectly. Among the direct methods, the following are distinguished: laryngostroboscopy, laryngovideostroboscopy, videokymography and high-speed digital imaging. Indirect methods include: electroglottography, photoglottography and ultrasonography.