Analysis of the suprahyoid muscles during tongue elevation: High-density surface electromyography as a novel tool for swallowing-related muscle assessment

Yoshikawa Kohei

Nakamori Masahiro

Ushio Kai

Toko Megumi

Yamada Hidetada

Nishikawa Yuichi

Fukuoka Tatsuyuki

Maruyama Hirofumi

Mikami Yukio

Journal of Oral Rehabilitation

Background
High-density surface electromyography (HD-sEMG) has enabled non-invasive analysis of motor unit (MU) activity and recruitment, but its application to swallowing-related muscles is limited.
Objective
We aimed to investigate the utility of HD-sEMG for quantitatively evaluating the MU recruitment characteristics of the suprahyoid muscles during tongue elevation.
Methods
We measured the sEMG activity of the suprahyoid muscles of healthy participants during tongue elevation using HD-sEMG. Maximum voluntary contraction (MVC) was measured, followed by data collection during sustained and ramp-up tasks to capture suprahyoid muscle activity. Changes in the temporal/spatial MU recruitment patterns within individual suprahyoid muscles were analysed.
Results
This study enrolled 16 healthy young adults (mean age: 27.8 ± 5.3 years; eight males and eight females). Increasing muscle force corresponded to a decrease in modified entropy and correlation coefficient and an increase in the coefficient of variation. No significant differences were observed between male and female participants.
Conclusion
The results of this study, consistent with those observed in other muscles, such as the vastus lateralis muscle, suggest that HD-sEMG is a valuable and reliable tool for quantitatively evaluating MU recruitment in the suprahyoid muscles. This measurement technique holds promise for novel assessments of swallowing function.

high-density surface electromyography

motor units

recruitment characteristics

suprahyoid muscles

swallowing evaluation

英語

Wiley

This is the peer reviewed version of the following article: Kohei Yoshikawa et al, Analysis of the suprahyoid muscles during tongue elevation: High-density surface electromyography as a novel tool for swallowing-related muscle assessment, Journal of Oral Rehabilitation, 51(9), 1872-1880 (2024), which has been published in final form at https://doi.org/10.1111/joor.13737. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

This is not the published version. Please cite only the published version.

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[DOI] https://doi.org/10.1111/joor.13737 ～の異版である

日本学術振興会

Japan Society for the Promotion of Science

[Crossref Funder] https://doi.org/10.13039/501100001691

パーキンソン病での頸部感覚神経刺激リハビリにおける不顕性誤嚥との関連性の検証

パーキンソン病での頸部感覚神経刺激リハビリにおける不顕性誤嚥との関連性の検証

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