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Updated: Feb 11, 2026

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若年成人における体組成と自律神経系心肺調節との関連
Aurora Páramo-Lira1, Socorro Camarillo-Romero2, José de Jesús Garduño-García3,4
1School of Dentistry, Autonomous University of the State of Mexico (UAEMéx), Toluca, Mexico.
Physiological reports
|February 9, 2026
まとめ
若年男性では、体脂肪率が高いほど心拍調節および心肺系の複雑性が低下することと関連していた。本研究では、健康な成人における体組成と自律神経機能の関係を調査した。
科学分野:
- 生理学
- 心血管系の健康
- 体組成分析
背景:
- 自律神経系心臓調節は心血管系の健康にとって極めて重要である。
- 心拍変動(HRV)は自律神経機能の主要な非侵襲的指標である。
- 体組成と自律神経系調節との相互作用を理解することは、特に若年成人において不可欠である。
研究 の 目的:
- 健康な若年成人における体組成と自律神経系心臓調節(HRV)との関連を調査すること。
- 呼吸数変動(BRV)および脈拍呼吸商(PRQ)などの補完的な指標を探求すること。
- これらの関係における性差を検討すること。
主な方法:
- 健康な若年成人90名(男性35名、女性55名、年齢18〜23歳)を評価した。
- 時系列データから線形および非線形HRV、BRV、PRQ指標を導出した。
- ボディマス指数(BMI)および生体インピーダンス(体脂肪率、筋肉量、内臓脂肪)を用いて体組成を測定した。
主要な成果:
- 男性は女性よりも呼吸変動が大きく、呼吸数が少なかった。男性では、BMI、脂肪量、内臓脂肪量が高いほど、副交感神経活動および心肺系の複雑性と負の相関があった。若年男性では、身体活動レベルに関係なく、脂肪沈着が高いほど、迷走神経性HRVの低下および心肺系の複雑性の低下と独立して関連していた。
結論:
- 脂肪沈着、特に若年男性では、自律神経系心臓調節および心肺系の複雑性の低下と関連していた。
- これらの所見は、若年男性における心血管系の自律神経制御に対する体組成の影響を強調している。
- さらなる研究では、これらの影響を軽減するための介入を検討する可能性がある。
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