重いレジスタンス運動後の睡眠と回復に対する水分状態の影響
Yasuki Sekiguchi1, Nigel C Jiwan2,3, Casey R Appell2
1Sports Performance Laboratory, Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas.
Journal of strength and conditioning research
|August 22, 2025
まとめ
急性脱水は,訓練を受けた男性の重力運動後の睡眠品質や回復指標に有意な影響を及ぼさなかった. 水分状態は主に尿の比重などの生理学的マーカーに影響し,睡眠時間や心拍の変動には影響しませんでした.
科学分野:
- 運動 生理学
- スポーツ科学
- 睡眠科学
背景:
- 身体機能と運動能力には 水分が不可欠です
- 抵抗運動後の睡眠と回復に対する脱水の影響は完全に理解されていません.
- これらの効果を理解することは 訓練と回復プロトコルの最適化に不可欠です
研究 の 目的:
- 急性脱水が睡眠と回復に及ぼす影響を調査する.
- 重いレジスタンス運動の後で,水分のない状態と脱水状態の睡眠と回復の測定を比較する.
主な方法:
- 抵抗訓練を受けた男性8人は,水分化 (EUH) と脱水化 (DEH) の2つの試験に参加しました.
- 参加者は激しいレジスタンス運動 (脚のプレス,膝の拡張) を受けました.
- 睡眠と回復は,ウェアラブルデバイスを使用して監視され,生理学的マーカー (USG,プラズマオスモラリティ) が測定されました.
主要な成果:
- 脱水は,プラズマのオスモラリティ,尿のオスモラリティ,尿の特異重量 (USG),尿の色,体量減少を著しく増加させた.
- EUHとDEHの状態の間の睡眠時間,効率,障害,または特定の睡眠段階 (SWS,REM,軽睡眠) の有意な違いは観察されなかった.
- 休息時の心拍数と心拍数の変動も,水分状態の間の有意な違いを示さなかった.
結論:
- 急性脱水は重度のレジスタンス運動後の主要な睡眠パラメータや回復指標に悪影響を及ぼさないようです.
- 脱水の生理学的マーカーは明らかですが,主観的および客観的な睡眠/回復の測定は短期的にはほとんど影響を受けません.
- 慢性的な脱水や 異なる運動様式について 研究を進めます
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