Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles

Abstract Several exercise methods, such as the Shaker exercise, tongue press exercise, chin tuck against resistance (CTAR) exercise, and submandibular push exercise, have been introduced to strengthen the muscles involved in swallowing. In this study, we compared the effectiveness of the CTAR, subma...

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Autores principales:	Min Cheol Chang, Sungwon Park, Joo Young Cho, Byung Joo Lee, Jong-Moon Hwang, KwanMyung Kim, Donghwi Park
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/17e3c4bddd7f41acadf08eea061e816c
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spelling	oai:doaj.org-article:17e3c4bddd7f41acadf08eea061e816c2021-12-02T18:17:41ZComparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles10.1038/s41598-021-86502-w2045-2322https://doaj.org/article/17e3c4bddd7f41acadf08eea061e816c2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86502-whttps://doaj.org/toc/2045-2322Abstract Several exercise methods, such as the Shaker exercise, tongue press exercise, chin tuck against resistance (CTAR) exercise, and submandibular push exercise, have been introduced to strengthen the muscles involved in swallowing. In this study, we compared the effectiveness of the CTAR, submandibular push, and Shaker exercises for the induction of selective supra- and infrahyoid muscle contractions using surface electromyography (EMG). This study is a prospective non-randomized controlled study. Twenty-five healthy subjects and 20 patients experiencing swallowing difficulty were enrolled. During the three different types of exercises, the root mean square (RMS) values of the sternocleidomastoid (SCM), suprahyoid (anterior belly of the digastric and mylohyoid muscles), and infrahyoid (sternothyroid and thyrohyoid muscles) muscles were analyzed using surface EMG. Differences in the activity of swallowing muscles among the three different exercises were analyzed using one-way repeated measured analysis of variance. In terms of both the maximum and mean RMS values of the suprahyoid muscle, the submandibular push exercise showed a larger RMS value than the CTAR and Shaker exercises in healthy subjects (p < 0.05). In terms of both the maximum and mean RMS values of the suprahyoid muscle, the Shaker exercise and submandibular push exercise showed a larger RMS value than the CTAR exercise in patients with swallowing difficulty (p < 0.05). The submandibular push exercise may be effective as a swallowing muscle exercise owing to its superiority in inducing selective contractions of the supra- and infrahyoid muscles. The CTAR and Shaker exercises are also effective in this regard.Min Cheol ChangSungwon ParkJoo Young ChoByung Joo LeeJong-Moon HwangKwanMyung KimDonghwi ParkNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Min Cheol Chang Sungwon Park Joo Young Cho Byung Joo Lee Jong-Moon Hwang KwanMyung Kim Donghwi Park Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
description	Abstract Several exercise methods, such as the Shaker exercise, tongue press exercise, chin tuck against resistance (CTAR) exercise, and submandibular push exercise, have been introduced to strengthen the muscles involved in swallowing. In this study, we compared the effectiveness of the CTAR, submandibular push, and Shaker exercises for the induction of selective supra- and infrahyoid muscle contractions using surface electromyography (EMG). This study is a prospective non-randomized controlled study. Twenty-five healthy subjects and 20 patients experiencing swallowing difficulty were enrolled. During the three different types of exercises, the root mean square (RMS) values of the sternocleidomastoid (SCM), suprahyoid (anterior belly of the digastric and mylohyoid muscles), and infrahyoid (sternothyroid and thyrohyoid muscles) muscles were analyzed using surface EMG. Differences in the activity of swallowing muscles among the three different exercises were analyzed using one-way repeated measured analysis of variance. In terms of both the maximum and mean RMS values of the suprahyoid muscle, the submandibular push exercise showed a larger RMS value than the CTAR and Shaker exercises in healthy subjects (p < 0.05). In terms of both the maximum and mean RMS values of the suprahyoid muscle, the Shaker exercise and submandibular push exercise showed a larger RMS value than the CTAR exercise in patients with swallowing difficulty (p < 0.05). The submandibular push exercise may be effective as a swallowing muscle exercise owing to its superiority in inducing selective contractions of the supra- and infrahyoid muscles. The CTAR and Shaker exercises are also effective in this regard.
format	article
author	Min Cheol Chang Sungwon Park Joo Young Cho Byung Joo Lee Jong-Moon Hwang KwanMyung Kim Donghwi Park
author_facet	Min Cheol Chang Sungwon Park Joo Young Cho Byung Joo Lee Jong-Moon Hwang KwanMyung Kim Donghwi Park
author_sort	Min Cheol Chang
title	Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
title_short	Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
title_full	Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
title_fullStr	Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
title_full_unstemmed	Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
title_sort	comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/17e3c4bddd7f41acadf08eea061e816c
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Comparison of three different types of exercises for selective contractions of supra- and infrahyoid muscles

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