短期的な熱への適応適応において,個々の基準値の差異は,個人の特性を上回ります
Lisa Klous1, Koen van der Sanden1, Floris Paalman2
1Department of Human Performance, Unit Defence, Safety and Security, Netherlands Organization for Applied Scientific Research (TNO), Soesterberg, Netherlands.
Ergonomics
|February 19, 2026
まとめ
短期的な熱慣習 (STHA) は,軍人にとって生理学的および主観的な利点を提供します. 身体の構成や年齢などの個々の要因が何らかの影響を及ぼしている一方で,軍人はSTHA.期間中に熱に均等に適応した.
科学分野:
- 環境生理学 環境生理学
- 人間の適応力
- 軍事医学は軍事医学でした.
背景:
- 長期の熱への適応における個々の変動性は知られている.
- 短期的な熱適応 (STHA) 時の適応と影響要因は,理解が薄いままです.
研究 の 目的:
- STHA.期間中の熱生理学的適応に対する個々の特徴の影響を調査する.
- STHA.を受ける軍人の生理学的および主観的な変化を評価する.
主な方法:
- 46人の軍員は,制御された熱気および湿気条件 (35.1°C,50%RH) でSTHAプロトコルを受けました.
- 測定には,胃腸温度 (Tgi),平均皮膚温度 (Tsk),心拍数 (HR),汗流し,主観的なスコアが含まれていました.
- 熱生理学的および主観的なデータを分析するために混合効果モデリングが使用されました.
主要な成果:
- STHAの1日目から5日目まで,Tgi,Tsk,HRの有意な低下が観察されました (p ≤0.011).
- 主観的な耐熱性スコアは有意に改善した (p ≤0.005).
- 脂肪率,体量,性別,年齢などの個々の要因は,特定のアウトカム指標 (p ≤0.05) と関連していました.
結論:
- STHAは生理学的および主観的な利点を与え,軍人集団の均一な熱適応につながります.
- 特定された関係にもかかわらず,個々の特徴は適応の多様性のごく一部しか説明できませんでした.
- 重要な個人またはグループの時間相互作用は見つかりませんでしたが,一貫した適応パターンを示唆しています.
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