Use of Motion Capture Technology to Study Extrinsic Laryngeal Muscle Tension and Hyperfunction

Author:

Hogue Steven1,Guo Xiaohu1,Morrison Robert A.2,McDowell Sarah2,Shembel Adrianna C.23ORCID

Affiliation:

1. Department of Computer Science, Erik Jonsson School of Engineering and Computer Science University of Texas at Dallas Richardson Texas USA

2. Department of Speech, Language, and Hearing, School of Behavioral and Brain Sciences University of Texas at Dallas Richardson Texas USA

3. Department of Otolaryngology‐Head and Neck, Voice Center University of Texas Southwestern Medical Center Dallas Texas USA

Abstract

ObjectivesPatients with primary muscle tension dysphonia (pMTD) commonly report paralaryngeal pain and discomfort, and extrinsic laryngeal muscle (ELM) tension and hyperfunction are commonly implicated. However, quantitative physiological metrics to study ELM movement patterns for the characterization of pMTD diagnosis and monitoring of treatment progress are lacking. The objectives of this study were to validate motion capture (MoCap) technology to study ELM kinematics, determine whether MoCap could distinguish ELM tension and hyperfunction between individuals with and without pMTD, and investigate relationships between common clinical voice metrics and ELM kinematics.MethodsThirty subjects (15 with pMTD and 15 controls) were recruited for the study. Sixteen markers were placed on different anatomical landmarks on the chin and anterior neck. Movements across these regions were tracked during four voice and speech tasks using two three‐dimensional cameras. Movement displacement and variability were determined based on 16 key‐points and 53 edges.ResultsIntraclass correlation coefficients demonstrated high intra‐ and inter‐rater reliability (p's < 0.001). Other than greater movement displacements around the thyrohyoid space during longer phrasing (reading passage, 30‐s diadochokinetics) and more movement variability in patients with pMTD, kinematic patterns between groups were similar across the 53 edges for the four voice and speech tasks. There were also no significant correlations between ELM kinematics and standard voice metrics.ConclusionResults demonstrate the feasibility and reliability of MoCap for the study of ELM kinematics.Level of Evidence3 Laryngoscope, 133:3472–3481, 2023

Funder

National Science Foundation

National Institute on Deafness and Other Communication Disorders

Publisher

Wiley

Subject

Otorhinolaryngology

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