Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously

Chizuru Namiki,1 Koji Hara,1 Haruka Tohara,1 Kenichiro Kobayashi,2 Ariya Chantaramanee,1 Kazuharu Nakagawa,1 Takayuki Saitou,2 Kohei Yamaguchi,1 Kanako Yoshimi,1 Ayako Nakane,1 Shunsuke Minakuchi1 1Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental Univ...

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Autores principales:	Namiki C, Hara K, Tohara H, Kobayashi K, Chantaramanee A, Nakagawa K, Saito T, Yamaguchi K, Yoshimi K, Nakane A, Minakuchi S
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	Sarcopenic dysphagia swallowing muscle tongue function suprahyoid muscle Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/9470d2b42db14e8aa3db209bef1f31e4
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spelling	oai:doaj.org-article:9470d2b42db14e8aa3db209bef1f31e42021-12-02T03:36:27ZTongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously1178-1998https://doaj.org/article/9470d2b42db14e8aa3db209bef1f31e42019-03-01T00:00:00Zhttps://www.dovepress.com/tongue-pressure-resistance-training-improves-tongue-and-suprahyoid-mus-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Chizuru Namiki,1 Koji Hara,1 Haruka Tohara,1 Kenichiro Kobayashi,2 Ariya Chantaramanee,1 Kazuharu Nakagawa,1 Takayuki Saitou,2 Kohei Yamaguchi,1 Kanako Yoshimi,1 Ayako Nakane,1 Shunsuke Minakuchi1 1Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan; 2Kobayashi Dental Clinic, Tokyo, Japan Purpose: Producing tongue pressure (TP) by pushing the tongue against the palate consists of lifting the tongue muscles and elevating the floor of the mouth via suprahyoid muscle contraction. Though studies have shown that tongue-pressure resistance training (TPRT) increases tongue function, none have focused on suprahyoid muscle function enhancements. Our study aimed to verify whether TPRT improves both tongue function and hyoid movement during swallowing.Materials and methods: Eighteen patients (mean age: 76.8±6.2 years) with presbyphagia presenting with symptoms such as coughing and choking were enrolled. All patients performed daily living activities independently. None of the participants had diseases causing dysphagia or previous oral or pharyngeal surgery. Participants were instructed to push their tongues against the palate as hard as possible with their mouths closed for 10 seconds, and then resting for 10 seconds. A set consisted of five consecutive exercise and resting periods; two sets per day were performed for a month. TP and the oral diadochokinetic rate (ODKR), measured by repetitions of the syllables /ta/ and /ka/, assessed tongue function. The extent of anterior and superior hyoid movement and parameters related to swallowing, including the penetration aspiration scale (PAS) and the normalized residue ratio scale (NRRS) in the valleculae (NRRSv) and piriform sinus (NRRSp), were evaluated based on videofluoroscopic data.Results: The anterior (P=0.031) and superior hyoid movement (P=0.012), TP (P=0.002), ODKR/ta/ (P=0.034), ODKR/ka/ (P=0.009), and the width of the upper esophageal sphincter (P=0.001) were larger at follow-up than at baseline. NRRSp (P=0.022), PAS (P=0.016), and pharyngeal transit times (P=0.004) were smaller at follow-up than at baseline.Conclusion: TPRT improved tongue strength, dexterity, both anterior and superior hyoid elevation, and swallowing functions. Therefore, TPRT could improve tongue function and suprahyoid muscle function simultaneously and contribute to prevention of sarcopenic dysphagia. Keywords: sarcopenic dysphagia, swallowing muscle, tongue function, suprahyoid muscleNamiki CHara KTohara HKobayashi KChantaramanee ANakagawa KSaito TYamaguchi KYoshimi KNakane AMinakuchi SDove Medical PressarticleSarcopenic dysphagiaswallowing muscletongue functionsuprahyoid muscleGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 14, Pp 601-608 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sarcopenic dysphagia swallowing muscle tongue function suprahyoid muscle Geriatrics RC952-954.6
spellingShingle	Sarcopenic dysphagia swallowing muscle tongue function suprahyoid muscle Geriatrics RC952-954.6 Namiki C Hara K Tohara H Kobayashi K Chantaramanee A Nakagawa K Saito T Yamaguchi K Yoshimi K Nakane A Minakuchi S Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
description	Chizuru Namiki,1 Koji Hara,1 Haruka Tohara,1 Kenichiro Kobayashi,2 Ariya Chantaramanee,1 Kazuharu Nakagawa,1 Takayuki Saitou,2 Kohei Yamaguchi,1 Kanako Yoshimi,1 Ayako Nakane,1 Shunsuke Minakuchi1 1Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan; 2Kobayashi Dental Clinic, Tokyo, Japan Purpose: Producing tongue pressure (TP) by pushing the tongue against the palate consists of lifting the tongue muscles and elevating the floor of the mouth via suprahyoid muscle contraction. Though studies have shown that tongue-pressure resistance training (TPRT) increases tongue function, none have focused on suprahyoid muscle function enhancements. Our study aimed to verify whether TPRT improves both tongue function and hyoid movement during swallowing.Materials and methods: Eighteen patients (mean age: 76.8±6.2 years) with presbyphagia presenting with symptoms such as coughing and choking were enrolled. All patients performed daily living activities independently. None of the participants had diseases causing dysphagia or previous oral or pharyngeal surgery. Participants were instructed to push their tongues against the palate as hard as possible with their mouths closed for 10 seconds, and then resting for 10 seconds. A set consisted of five consecutive exercise and resting periods; two sets per day were performed for a month. TP and the oral diadochokinetic rate (ODKR), measured by repetitions of the syllables /ta/ and /ka/, assessed tongue function. The extent of anterior and superior hyoid movement and parameters related to swallowing, including the penetration aspiration scale (PAS) and the normalized residue ratio scale (NRRS) in the valleculae (NRRSv) and piriform sinus (NRRSp), were evaluated based on videofluoroscopic data.Results: The anterior (P=0.031) and superior hyoid movement (P=0.012), TP (P=0.002), ODKR/ta/ (P=0.034), ODKR/ka/ (P=0.009), and the width of the upper esophageal sphincter (P=0.001) were larger at follow-up than at baseline. NRRSp (P=0.022), PAS (P=0.016), and pharyngeal transit times (P=0.004) were smaller at follow-up than at baseline.Conclusion: TPRT improved tongue strength, dexterity, both anterior and superior hyoid elevation, and swallowing functions. Therefore, TPRT could improve tongue function and suprahyoid muscle function simultaneously and contribute to prevention of sarcopenic dysphagia. Keywords: sarcopenic dysphagia, swallowing muscle, tongue function, suprahyoid muscle
format	article
author	Namiki C Hara K Tohara H Kobayashi K Chantaramanee A Nakagawa K Saito T Yamaguchi K Yoshimi K Nakane A Minakuchi S
author_facet	Namiki C Hara K Tohara H Kobayashi K Chantaramanee A Nakagawa K Saito T Yamaguchi K Yoshimi K Nakane A Minakuchi S
author_sort	Namiki C
title	Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
title_short	Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
title_full	Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
title_fullStr	Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
title_full_unstemmed	Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
title_sort	tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/9470d2b42db14e8aa3db209bef1f31e4
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Tongue-pressure resistance training improves tongue and suprahyoid muscle functions simultaneously

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