海軍ダイバーの自律的および生理学的ストレス反応:ダイビング経験の保護的役割
Yu-Ju Chen1, Yuan-Sheng Tzeng1,2, Shih-En Tang1,3
1National Defense Medical Center, Taipei, Taiwan.
Frontiers in physiology
|September 3, 2025
まとめ
ディープダイビングの経験は 自律的調節とストレスバイオマーカーの反応を改善します 経験豊富なダイバーは生理学的適応が良くなり,深海探査の制御とリスク軽減戦略が強化されたことを示唆しています.
科学分野:
- 生理学
- 海洋生物学
- スポーツ科学
背景:
- 深海潜水は 身体的なストレスを 引き起こします
- ダイバーの自律的およびストレス反応のモニタリングは極めて重要ですが,未発達です.
- 経験が生理学的適応に与える影響を 理解することが重要です
研究 の 目的:
- ダイビング経験が自律制御にどう影響するかを調べる
- 模擬深度潜水中のストレスバイオマーカーの反応を調べる
- ストレスへの適応の生理学的指標を特定する.
主な方法:
- 海軍のダイバーは28名 (経験者15名,初心者13名) が参加した.
- 唾液中のコルチゾールとアミラーゼのレベルを測定した.
- 心拍数変動 (HRV) インデックスは4つのダイブステージで分析されました.
主要な成果:
- 経験豊富なダイバーは ダイビング後のコルチゾールとアミラーゼの減少が 顕著でした
- 経験豊富なダイバーは,減圧時により高いパラシンパティック活動とHRVの複雑さを示しました.
- 自ら報告した心理的ストレスの有意な違いは観察されなかった.
結論:
- ダイビングの経験は 自律的なコントロールと ストレスへの適応を高めます
- 生理学的モニタリングは深度ダイバーのリスクを軽減するのに役立ちます.
- 経験に基づく訓練プロトコルは,ダイバーの安全性を向上させることができます.
関連する概念動画
Psychological Responses to Stress
98
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
98
Physiological Foundation of Stress
157
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Role of the Sympathetic Nervous System
Adrenaline triggers the...
157
Introduction to Stress and Lifestyle
177
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
177
Psychoneuroimmunology: Cardiovascular Disease
77
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
77
Stress Prevention and Stress Management Techniques III
107
Regular exercise and meditation serve as essential tools in managing stress and promoting physical and mental well-being.
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
107
Stress Response System
198
The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's...
Alarm stage
In the alarm stage, the body's...
198


