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首页> 外文会议>International Ergonomics Congress; 20011211-20011214; Mumbai; IN >A Study on Physiological Stress Among Army Marksmen to Develop Better Training Strategy
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A Study on Physiological Stress Among Army Marksmen to Develop Better Training Strategy

机译：制定更好的训练策略的射手生理压力研究

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摘要

To develop the strategies for improvement in shooting performance among army marksmen, 41 marksmen (age 22-36 yr.) were studied. Subjects were grouped as elite and sub- elite shooters. Their heart rate (HR), blood pressure, respiratory rate, oral temperature and cognitive potential (P300) of auditory evoked potential were recorded. Their maximal oxygen consumption was predicted from HR in moderate exercise (100 Watt, 6 min) by using Astrand & Rhyming nomogram. Their HR while firing during in house matches were recorded. From this, preparatory HR (5 secs before sharp rise in HR coinciding trigger pull), average and maximal HR were determined. To compare the cognitive potential of marksmen comparisons were made among the values of P300 component of evoked potential with separate two sets of that of 40 electronic fellowship course (EFC) trainees (having greater intellectual activity) and 39 infantry soldiers (having lesser intellectual activity).Various resting parameters and predicted work capacity showed no difference among elite and sub-elite marksmen. Preparatory HR was significantly higher in both elite and sub-elite (p<0.02, p<0.001) marksmen as compared to their resting HR. It was significantly higher in sub-elite shooters (p<0.05) than in elite shooters. Average shooting HR of elite and sub-elite shooters were within and above 30% respectively above their resting HR. 80% of subjects of both marksmen and EFC trainees showed 10 μV or greater values of AMP3 (amplitude of P300) but only 61.5% infantry soldiers showed the same. Mean AMP3 value of marksmen and EFC trainees were significantly higher than infantry soldiers. Shooting HR and P300 are good indicators to mark progress in training of marksmen and for screening.
机译：为了制定改善军人射手射击性能的策略，研究了41名射手（年龄22-36岁）。受试者分为精英和亚精英射击者。记录他们的心率（HR），血压，呼吸频率，口腔温度和听觉诱发电位的认知电位（P300）。通过使用Astrand＆Rhyming nomogram通过适度运动（100瓦特，6分钟）中的HR预测其最大耗氧量。记录他们在室内比赛中解雇时的HR。据此，确定了准备的心率（在重合触发拉力之前，心率急剧上升前5秒），平均心率和最大心率。为了比较神射手的认知潜能，将诱发电位的P300成分的值与40名电子研究金课程（EFC）受训者（智力活动较大）和39名步兵（智力活动较小）中的两组分别进行比较。各种休息参数和预测的工作能力在精英和次精英射手之间没有差异。与静息HR相比，精英和次精英射手的预备HR明显更高（p <0.02，p <0.001）。亚精英射手的得分显着高于精英射手（p <0.05）。精英和次精英射手的平均射击HR分别高于其静止HR的30％和30％以上。射手和EFC受训者中，有80％的受试者显示AMP3（P300的振幅）为10μV或更高，但只有61.5％的步兵表现出相同的效果。神枪手和EFC学员的平均AMP3值显着高于步兵。射击HR和P300是标记射手训练和筛选进展的良好指标。

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