Influence of Body Fat Percentage, Muscle Mass, Protein, and Mineral Abundance on Decreasing Handgrip Strength in Community-dwelling Older Adults: A 1-year Longitudinal Study

Fujita Tomoko, Hishida Tomoyo, Maruyama Kazuko

doi:10.5630/jans.40.422

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地域高齢者における体脂肪率，筋肉量，たんぱく質量，ミネラル量の握力低下への影響
地域高齢者における体脂肪率,筋肉量,たんぱく質量,ミネラル量の握力低下への影響 : 1年間の縦断的観察研究
チイキコウレイシャニオケルタイシボウリツ,キンニクリョウ,タンパクシツリョウ,ミネラルリョウノアクリョクテイカエノエイキョウ : 1ネンカンノジュウダンテキカンサツケンキュウ
―1年間の縦断的観察研究―

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Abstract

Objective: The goal of this study was to determine the effect of chemical composition of the body and muscle mass on decreasing handgrip strength among community-dwelling older adults.Methods: In this longitudinal study, we measured body chemical composition and muscle mass at baseline (n = 209) and 1 year later (n = 155) in 2,671 community-dwelling older adults. Participants were categorized into specific groups: those with low skeletal muscle mass index (SMI), low handgrip strength, high percent body fat, protein deficiency, mineral deficiency, and sarcopenic obesity. This grouping was done using baseline data and according to 2019 criteria of the Asian Working Group for Sarcopenia. Baseline data were compared with data collected 1 year later using the paired t-test and repeated measures ANOVA.Results: The study findings demonstrated that in men (n = 60), repeated measures ANOVA showed decreasing hand grip(η² = .011, p = .014), mineral deficiency(η² = .123, p = .003) and interaction (η² = .011, p = .018).Conclusions: Our findings suggest that mineral deficiency may influence decreasing handgrip strength over 1 year and the need to consider support for increasing mineral abundance in men.

Journal

Journal of Japan Academy of Nursing Science

Journal of Japan Academy of Nursing Science 40 (0), 422-429, 2020

Japan Academy of Nursing Science

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