Phase angle obtained via bioelectrical impedance analysis and objectively measured physical activity or exercise habits

Yosuke Yamada*, Tsukasa Yoshida, Haruka Murakami, Ryoko Kawakami, Yuko Gando, Harumi Ohno, Kumpei Tanisawa, Kana Konishi, Tripette Julien, Emi Kondo, Takashi Nakagata, Hinako Nanri, Motohiko Miyachi

*この研究の対応する著者

研究成果: Article査読

抄録

The phase angle (PhA), measured via bioelectrical impedance analysis, is considered an indicator of cellular health, where higher values reflect higher cellularity, cell membrane integrity, and better cell function. This study aimed to examine the relationship between PhA and exercise habits or objectively measured physical activity. We included 115 people aged 32–69 years. The body composition and PhA were measured using a bioelectrical impedance device. Physical activity and sedentary behavior (SB) were assessed using a triaxial accelerometer. Exercise habits were also obtained through structured interviews, and participants were categorized into the no exercise habit (No-Ex), resistance training exercise habit (RT), or aerobic training exercise habit (AT) groups. Objectively measured moderate-to-vigorous physical activity or step count significantly correlated with PhA, independent of age, sex, height, percent body fat, body cell mass, and leg muscle power. In contrast, SB was not significant determinants of PhA. People who exercised regularly (RT or AT) had significantly higher PhA values than did those in the No-Ex group. Furthermore, the PhA was not significantly different between the RT and AT groups. Regularly engaging in exercise with moderate-to-vigorous intensity may improve or maintain muscle cellular health and muscle quality.

本文言語English
論文番号17274
ジャーナルScientific reports
12
1
DOI
出版ステータスPublished - 2022 12月

ASJC Scopus subject areas

  • 一般

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