Observation of hypoxic experience training at 7500-meter on aviation personnel's tolerance capacity
7500米缺氧体验训练对航空人员耐受能力的观察

摘要

本文以航空生理学为理论基础，通过分析7500米缺氧体验训练中航空人员的生理指标变化与耐受表现，探讨该训练对提升机体缺氧代偿能力的作用机制。研究聚焦训练过程中心率（HR）、动脉血氧饱和度（SaO₂）、布兰奇心功能指数（BI）等核心指标的动态特征，结合神经-体液调节机制，阐述训练对心血管系统、呼吸系统及中枢神经系统耐受阈值的影响。结果表明，科学规范的7500米缺氧体验训练可通过机体代偿适应性变化，降低HR与SaO₂的波动幅度，提升BI指标稳定性，其中歼击机飞行员耐受表现优于轰炸机及运输机飞行员。研究结论为优化航空人员缺氧训练方案、建立个性化耐受评估体系提供科学依据，对强化飞行安全保障具有实践价值。

Abstract

This study is based on the theoretical foundation of aviation physiology. By analyzing the physiological index changes and tolerance performance of aviation personnel during 7,500-meter hypoxia experience training, it explores the mechanism by which such training enhances the body's hypoxic compensatory capacity. The research focuses on the dynamic characteristics of core indicators during the training process, including heart rate (HR), arterial oxygen saturation (SaO₂), and Brachial Index (BI), combined with neuro-humoral regulatory mechanisms to elucidate the effects of training on the tolerance thresholds of the cardiovascular system, respiratory system, and central nervous system. The results demonstrate that scientifically standardized 7,500-meter hypoxia experience training can reduce the fluctuation amplitude of HR and SaO₂ through compensatory adaptive changes in the body, while improving the stability of BI indicators. Notably, fighter pilots exhibited superior tolerance performance compared to bomber and transport aircraft pilots. The conclusions provide a scientific basis for optimizing hypoxia training protocols for aviation personnel and establishing personalized tolerance assessment systems, offering practical value for enhancing flight safety.