男性飞行员G耐受性,体力表现和心力指数之间的关系:一项前性观察性研究
Chung-Yu Lai, Wun-Wei Huang1, Chien-Lin Kuo2
1Aviation Physiology Research Laboratory, Zuoying Armed Forces General Hospital Gangshan Branch, Kaohsiung City, TAIWAN.
更高的心力指数 (CFI) 和更快的冲刺时间预测了飞行员更好的G耐受性. 这些身体和心脏指标可以帮助个性化男性学员的训练,提高他们承受高G力的能力.
科学领域:
- 航空航天医学 航空航天医学
- 人类表现的人类表现.
- 心血管生理学心血管生理学
背景情况:
- 对于机组人员的安全性和性能来说,G容忍度至关重要.
- 了解影响G耐受性的因素可以优化训练并降低风险.
- 以前的研究已经探索了各种生理和身体预测因素,但心脏功能和动态身体表现的联合作用需要进一步调查.
研究的目的:
- 调查男性飞行员学员的G耐受性和体力表现指标之间的相关性.
- 为了确定心脏力指数 (CFI) 和G容忍度之间的关系.
- 确定将学员学员分为高G或低G耐受性群体的潜在预测因素.
主要方法:
- 收集了82名男性军用飞行学员的人口统计和运动数据.
- 使用BioPatchTM HP设备监测心脏数据,包括行走的CFI (WCFI).
- 通过100米冲刺测试和跳跃性能测试 (峰值功率,正常化峰值功率,跳跃高度) 评估身体表现.
- 使用放松G耐受性 (RGT) 和应力G耐受性 (SGT) 的逐渐发病率评估G耐受性.
- 采用后勤回归来分析G容忍度,身体表现和CFI之间的相关性.
主要成果:
- 在低G耐受性组中确定了53名学员,在高G耐受性组中确定了29名学员.
- 高G耐受性组与低G耐受性组 (14.4 ± 1.1s) 相比,表现出明显更短的冲刺时间 (14.1 ± 1.0s).
- 较高的WCFI (>0.15) 与增强的G耐受性强烈相关 (aOR:3.72).
- 较短的冲刺完成时间与G耐受性 (aOR:0.38) 有负相关性.
结论:
- 更高的WCFI和更快的冲刺时间是男性飞行员学员中G耐受性的显著积极预测因素.
- 这些发现表明,将冲刺和跳跃测试与心血管监测相结合,可以帮助根据G耐受性对学员进行分层.
- 根据这些客观绩效和生理评估,可以为机组人员制定个性化的训练方案.
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