自行下体负压训练器训练对推拉效应的影响

发布时间：2018-05-09 02:12

本文选题：推拉效应 + 推拉动作　；参考：《航天医学与医学工程》2008年04期

【摘要】：目的探讨利用自行下体负压训练器训练后的心血管反应改变及其在推拉效应中的作用,为其在推拉效应的地面防护中提供实验依据。方法8名男性被试者进行一定方式的自行下体负压训练器训练,每天1次,连续10d。在训练前、训练5d及训练10d后测量平卧位心脏泵血功能,进行心率变异性(HRV)、血压变异性(SBPV)及压力反射敏感性(BRS)分析和推拉动作、头高位倾斜(HUT)测试。结果训练10d后,平卧位血压及心脏泵血功能较训练前显著升高(P0.05)。HRV分析的HFn降低,而LFn升高,但未达到显著水平。SBPV分析及BRS在训练后无明显改变。训练后的模拟推拉动作HUT阶段及HUT实验中,SBP、DBP、SV及CO较训练前显著升高(P0.05)。结论自行下体负压训练器训练可以提高被试者的基础心血管水平,增强其对立位应激的调节能力,可能对推拉效应的防护具有一定的作用,可用于战斗机飞行员进行地面抗荷生理训练。
[Abstract]:Objective to explore the changes of cardiovascular response and its role in the push-pull effect after training with a self-propelled negative pressure trainer, and to provide experimental evidence for its application in the ground protection of push-pull effect. Methods 8 male subjects were trained with self-body negative pressure trainer once a day for 10 days. Heart pump function in supine position was measured 5 days before training and 10 days after training. Heart rate variability (HRV), blood pressure variability (SBPVs), pressure-reflex sensitivity (BRS) analysis, push-pull movements and head-high tilt HUTs were measured. Results after training for 10 days, the blood pressure in supine position and the function of cardiac pump were significantly increased compared with those before training. The HFn of P0.05U. HRV analysis decreased, but the LFn increased, but not reached the significant level. SBPV analysis and BRS did not change significantly after training. During the HUT stage of simulated push-pull movement and HUT experiment, the SV and CO of SBP were significantly higher than that before training. Conclusion the training of self body negative pressure training can improve the basic cardiovascular level of the subjects, enhance their ability to regulate the stress in the opposite position, and may play a certain role in the protection of the push-pull effect. It can be used for ground anti-G physiological training for fighter pilots.
【作者单位】：第四军医大学航空航天生物动力学教研室;
【基金】：军队杰出人才基金(04J012)
【分类号】：R82

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