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- W3048145983 abstract "目的: 探讨慢长率模式(GOR)+Gz加速度暴露对局部脑血氧饱和度(rSO2)的影响,为加速度耐力终点预警提供依据。方法: 12名男性志愿者完成HP抗荷动作训练后,在2个工作日内分为两组在载人离心机上分别进行0.1 G/s增长率的GOR模式+Gz加速度暴露,采用近红外线光谱技术记录(NIRS)rSO2变化。观察受试者自身心率、rSO2在+Gz加速度暴露前、GOR1耐力终点时、GOR2耐力终点时及＋Gz加速度暴露结束后的变化。结果: 受试者的GOR1耐力为(4.10±0.79)G,GOR2耐力为(5.82±0.70)G。心率在+Gz加速度暴露过程中持续升高,在GOR2耐力终点时的心率达最大值(110±27) beats/min。rSO2在＋Gz加速度暴露前为(71.3±5.0)%,GOR模式＋Gz加速度暴露开始后随着载荷的增加逐渐降低,到达GOR1耐力终点时降至(65.4±6.4)%(P＜0.01),GOR2耐力终点时降至(61.6±4.6)%(P=0.000),＋Gz加速度暴露结束后恢复到暴露前水平(P=0.635)。rSO2降至最小值与到达GOR2耐力终点的时间差为(3.0±2.0)s(-3~+3 s)。结论: rSO2在GOR模式+Gz加速度暴露时随着载荷的增加而降低,为该生理指标应用于加速度耐力终点的预警提供理论依据。." @default.
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- W3048145983 date "2020-03-01" @default.
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- W3048145983 title "[Changes of regional cerebral oxygen saturation under gradual-onset rate +Gz exposure]." @default.
- W3048145983 doi "https://doi.org/10.12047/j.cjap.5905.2020.029" @default.
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