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Article

Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese

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Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry, Suita 565-0871, Japan
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Department of Clinical Thanatology and Geriatric Behavioral Science, Osaka University Graduate School of Human Sciences, Suita 565-0871, Japan
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Division of Health Sciences, Osaka University Graduate School of Medicine, Suita 565-0871, Japan
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Integrated General Nursing Science, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
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Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
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Division of Comprehensive Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
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National Cerebral and Cardiovascular Center, Department of Preventive Medicine and Epidemiology, Suita 564-8565, Japan
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Faculty of Health and Medical Sciences, Adelaide Dental School, The University of Adelaide, Adelaide, SA 5005, Australia
*
Author to whom correspondence should be addressed.
Academic Editors: Yutaka Watanabe, Masanori Iwasaki and Junichi Furuya
Int. J. Environ. Res. Public Health 2021, 18(24), 13199; https://doi.org/10.3390/ijerph182413199
Received: 29 October 2021 / Revised: 25 November 2021 / Accepted: 10 December 2021 / Published: 15 December 2021
(This article belongs to the Special Issue Oral Frailty and Oral Health Management)
Grip strength and walking speed are considered to be important indicators of physical frailty. However, no study has contemporaneously examined any association of multiple oral functions with grip strength and walking speed. The purpose of this study was to examine which oral functions are associated with muscle strength (grip strength), physical performance (walking speed) or both. The study participants were 511 community-dwelling people (254 men and 257 women) aged 77–81 years old. Six oral functions—oral wetness, occlusal force, tongue-lip motor function, tongue pressure, masticatory performance and swallowing function—were measured. Grip strength and walking speed were also measured. A partial correlation analysis, adjusted for gender, showed that occlusal force, tongue-lip motor function, masticatory performance and swallowing function were significantly associated with both grip strength and walking speed. In addition, tongue pressure was significantly associated with grip strength. A general linear model showed that tongue pressure and occlusal force were significantly associated with grip strength. Swallowing function and tongue-lip motor function were significantly associated with walking speed. It is suggested that there are different oral function measures for muscle strength and physical performance, and these oral function measures could be a useful proxy for physical frailty. View Full-Text
Keywords: oral health; hand strength; physical functional performance oral health; hand strength; physical functional performance
MDPI and ACS Style

Murotani, Y.; Hatta, K.; Takahashi, T.; Gondo, Y.; Kamide, K.; Kabayama, M.; Masui, Y.; Ishizaki, T.; Matsuda, K.-i.; Mihara, Y.; Fukutake, M.; Nishimura, Y.; Akema, S.; Hagino, H.; Higashi, K.; Togawa, H.; Maeda, Y.; Ogata, S.; Moynihan, P.; Ikebe, K. Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese. Int. J. Environ. Res. Public Health 2021, 18, 13199. https://doi.org/10.3390/ijerph182413199

AMA Style

Murotani Y, Hatta K, Takahashi T, Gondo Y, Kamide K, Kabayama M, Masui Y, Ishizaki T, Matsuda K-i, Mihara Y, Fukutake M, Nishimura Y, Akema S, Hagino H, Higashi K, Togawa H, Maeda Y, Ogata S, Moynihan P, Ikebe K. Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese. International Journal of Environmental Research and Public Health. 2021; 18(24):13199. https://doi.org/10.3390/ijerph182413199

Chicago/Turabian Style

Murotani, Yuki, Kodai Hatta, Toshihito Takahashi, Yasuyuki Gondo, Kei Kamide, Mai Kabayama, Yukie Masui, Tatsuro Ishizaki, Ken-ichi Matsuda, Yusuke Mihara, Motoyoshi Fukutake, Yuichi Nishimura, Suzuna Akema, Hiromasa Hagino, Kotaro Higashi, Hitomi Togawa, Yoshinobu Maeda, Soshiro Ogata, Paula Moynihan, and Kazunori Ikebe. 2021. "Oral Functions Are Associated with Muscle Strength and Physical Performance in Old-Old Japanese" International Journal of Environmental Research and Public Health 18, no. 24: 13199. https://doi.org/10.3390/ijerph182413199

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