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before the race
相关语句
  赛前
     Contrastive study on the psychological training of the sprinter of the students from Guangzhou institute of physical education before the race
     广州体育学院短跑运动员赛前心理训练的对比实验
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  相似匹配句对
     Exploration of 400-Metre Race Training before the Competition
     赛前400m跑训练的探讨
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     College Sprinters' Warming-up Exercise and its Control before Race
     大学生短跑运动员赛前准备活动与控制
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     Before Sunset
     《日落之前》
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     Before,the TF.
     以往只是简单地将面向文本集的TF.
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     Before the Flood
     洪水来临之前
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  before the race
Comparing the skiers with age-matched controls, there was a significantly lower level of salivary IgA before the race.
      
All runners were Hemoccult negative before the race.
      
All runners also submitted three stool specimens from the week before the race and from the first three bowel movements after the race on standard Hemoccult cards.
      
Enzyme activities immediately after the race increased two to three times compared with activities before the race.
      
The % peak oxygen consumption (peak %VO2) achieved was statistically significantly lower after than before the race (p = 0.02).
      
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Using computerized technique, this article analyses the EEG in marathoners before and afterrace. Our tests involved 17 Chinese runners who participated in the Beijing International Marathon in1984. EEG recordings were taken by means of a Kohden 5210 electroencephalograph and a San-ei NFR3915 magnetic recorder 2--3 days before the race and 0.5--3.5 hrs immediately after it. The recordingswere introduced into a 7T08 medical computer, through which the spontaneous power spectrum andvisual evoked potentials...

Using computerized technique, this article analyses the EEG in marathoners before and afterrace. Our tests involved 17 Chinese runners who participated in the Beijing International Marathon in1984. EEG recordings were taken by means of a Kohden 5210 electroencephalograph and a San-ei NFR3915 magnetic recorder 2--3 days before the race and 0.5--3.5 hrs immediately after it. The recordingswere introduced into a 7T08 medical computer, through which the spontaneous power spectrum andvisual evoked potentials (VEP) were calculated, and the results were records by an X-Y oscillograph.All data are comparisons between pre-and post- race tests. Results of the post-race test: 1) Frequency shift--the main peak of power spectrum shifted to the left. In other words, thefrequency of power spectrum tended to decrease (P<0.025); 2) The mean value of power spectrum increased in the 2-7.9 Hz band (p<0.005 in C_4, O_2); 3) Power spectrum tended to increase in 8--9.9 Hz; while decreasing markedly in 10-12.9 Hz (P<0.025). The power spectrum tended to decrease in the total alpha band; 4) Power spectrum slightly decreased in 13--27.7 Hz (NS). VEP; None of the peak amplitude responses for N_1, P_2, N_2 or P_3 were significantly altered. Thelatency as represented by the positive wave of 70 ms was markedly lowered (p<0.05). The EEG changes indicated that ultra-long distance running affected not only the muscular andcardiopulmonary system but also the CNS.

本文报告17名马拉松运动员比赛前后的脑电图,并应用计算机信号处理技术对图形进行功率谱和视觉诱发电位分析。指出运动后脑电的改变表明疲劳已影响至中枢神经系统。运用计算机方法具有处理信息量大、分析客观并可定量表示等优点。

Before the race, rational diets should be as following: first, the foods, several days before the race, should be rnainly cornplex carbohydrate and protein; second, the athletes should eat medium-amounted foods: third,It's not suitable to take a large quantity of sirnple starch (amylum), sugar and glucose (grape-sugar): forth, during the race (endurance items costing a fairly long time), it will help promote the result to drink the diluted solution.

合理的赛前饮食应该:是1.赛前几天应以复杂糖类及蛋白质为主;2.赛前2.5~3小时吃中等数量的食物;3.比赛即将开始时不宜食用大量的简单淀粉、食糖及葡萄糖;4.在比赛中(较长时间的耐力项目)饮用稀释的葡萄糖溶液.

36 400 m teenage athletes in traditional sporting events of Shandong ordinary middle schools were divided into 4 groups according to the term equal principal such as contrast group, general experimental group, intensive experimental group and super-extensive experimental group. The three experimental groups will take the additional Vc of different amount besides taking the same amount V_(B_1) per day while the contrast group won′t take the additional Vc. We will take a survey of the race performance of the 400 m-race...

36 400 m teenage athletes in traditional sporting events of Shandong ordinary middle schools were divided into 4 groups according to the term equal principal such as contrast group, general experimental group, intensive experimental group and super-extensive experimental group. The three experimental groups will take the additional Vc of different amount besides taking the same amount V_(B_1) per day while the contrast group won′t take the additional Vc. We will take a survey of the race performance of the 400 m-race athletes of the 4 groups based on the requirements for the racing rules two weeks later as well as blood lactate density before the race, immediately after the race and after taking a 30min rest. The findings show that there is noticeable difference of blood lactate and race performance between the super-extensive experimental group and the contrast group after the exercise (P<0.05). the conclusion is that the 400 m teenage athletes taking 300 mg Vc and 60 mg V_(B_1) per day for a short term will reduce their blood lactate greatly, improve their racing performance and accelerate their process of recovery.

将山东省普通中学体育传统项目学校400m跑少年男子运动员36名,按条件对等原则分为对照组、)外,再增服不同剂量的一般实验组、强化实验组、超强实验组。对实验各组除日口服同剂量的维生素B1(VB1维生素C(Vc),对照组不加服维生素。2周后按竞赛规则要求,分别对四组运动员进行400m成绩测定,同时测定400m运动前相对安静、运动后即刻及休息30min后血乳酸浓度。实验结果提示:运动后,强化实验组运动员血乳酸水平和运动成绩与该组实验前及对照组比较均有显著差异(P<0.05)。表明:400m跑少年运60mg,可使运动后血乳酸下降明显,运动成绩有所提高,恢复过程动员短时程(2~3周)日补充Vc300mg,VB1明显加快。);400m;血乳酸;少年运动员

 
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