Analysis and assessment of fatigue level after 400-meter barrier training in army special operations force
- Journal of Third Military Medical University Vol. 41, Issue 11, Pages: 1013-1017(2019)
- 作者机构：
1.400038 重庆, 陆军军医大学(第三军医大学)军事预防医学系：毒理学研究所
2.618419 四川 什邡, 77110部队
3.400038 重庆, 陆军军医大学(第三军医大学)军事预防医学系：环境卫生学教研室
- 作者简介：
- 基金信息：the Project of Mandatory Plan of Army Logistics Finance Bureau(2018)
DOI：10.16016/j.1000-5404.201901145
CLC： R821.23;R821.3;R872.6Received：18 January 2019，
Revised：2019-04-06，
Published：15 June 2019
- 稿件说明：
移动端阅览
Lei SUN, Peng ZOU, Qing CHEN, et al. Analysis and assessment of fatigue level after 400-meter barrier training in army special operations force[J]. Journal of Third Military Medical University, 2019, 41(11): 1013-1017.
Lei SUN, Peng ZOU, Qing CHEN, et al. Analysis and assessment of fatigue level after 400-meter barrier training in army special operations force[J]. Journal of Third Military Medical University, 2019, 41(11): 1013-1017. DOI： 10.16016/j.1000-5404.201901145.
摘要
目的
2
了解特种作战部队军人400 m障碍训练的疲劳程度，筛选可用于疲劳程度评价的敏感指标。
方法
2
2018年5-6月从某特种作战部队采用简单随机抽样的方法选择20名特种作战专业岗位战士作为训练组，严格按照特战部队考核标准进行400 m障碍训练，对训练前后各项疲劳程度相关指标进行比较分析。
结果
2
① 400 m障碍训练后战士末梢血乳酸水平显著高于训练前静息水平(
P
<
0.000 1)，训练后唾液pH值与训练前静息水平比较无统计学差异；②与训练前静息水平比较，400 m障碍训练后战士心率、收缩压、舒张压和脉压差均显著增加(
P
<
0.000 1)，血流灌注指数和血氧饱和度均显著降低(
P
<
0.000 1
P
=0.001 5)；③400 m障碍训练后战士习惯手、非习惯手握力及皮肤空间两点阈与训练前静息水平相比差异无统计学意义；④400 m障碍训练后战士神经行为能力各指标中视觉保留能力指数值与训练前静息水平比较显著降低(
P
=0.038 4)，其他指标能力指数值与训练前静息水平比较无统计学差异；⑤400 m障碍训练前后战士心率、脉压差增长倍数显著高于5公里武装越野训练(
P
=0.043 7
P
<
0.000 1)。
结论
2
400 m障碍训练为重度劳动强度，且显著高于5公里武装越野造成的疲劳程度；血乳酸、心率、动脉压、血氧饱和度、视觉保留能力指数等指标可作为评价特种作战专业岗位人员400 m障碍训练疲劳程度的敏感指标。
Abstract
Objective
2
To evaluate the training intensity and fatigue level after 400-meter barrier training in army special operations force (SOF)
and to screen sensitive indicators for fatigue evaluation.
Methods
2
Twenty soldiers at professional posts were collected from a SOF unit during May and June 2018 by simple random sampling. They conducted a training of 400-meter barrier strictly according to the assessment criteria of SOF. Their fatigue indexes were collected before and after training.
Results
2
① Compared with the resting level before 400-meter barrier training
the lactic acid level in the peripheral blood was increased significantly (
P
<
0.000 1). But there was no statistical difference in the pH value of saliva between pre- and post-training; ②Compared with the resting levels before training
the heart rate
systolic blood pressure
diastolic blood pressure and pulse pressure were elevated significantly after training (
P
<
0.000 1)
but the blood perfusion index and oxygen saturation were decreased remarkably (
P
<
0.000 1
P
=0.001 5); ③ Training showed no effect on the handgrip strength of the dominant and non-dominant hands and skin space thresholds; ④ The training reduced the indicators of neurobehavioral ability
such as visual attention span (
P
=0.038 4)
but no such difference was seen in the other indexes. ⑤ The 400-meter barrier training showed better effectiveness on the improvement of heart rate and pulse pressure when compared with 5-kilometer armed off-road training (
P
=0.043 7
P
<
0.000 1).
Conclusion
2
The 400-meter barrier training is an activity of severe intensity and can cause a higher fatigue level than 5-kilometer armed off-road training. Blood lactic acid
heart rate
pulse pressure
oxygen saturation and visual attention span can be used as sensitive indicators to evaluate the training fatigue in SOF soldiers after 400-meter barrier training.
关键词
Keywords
references
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