| 铁人3项运动中人体生理机能变化及对机体的影响 |
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| 引用本文： | 张立.铁人3项运动中人体生理机能变化及对机体的影响[J].湖北体育科技,2001,20(2):29-30. |
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| 作者姓名： | 张立 |
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| 作者单位： | 武汉体育学院运动生理教研室, |
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| 摘 要： | 铁人3项运动是由3个有氧运动组合在一起的综合性项目，运动员最大摄氧量高于常人，与游泳选手相近似。运动成绩与最大摄氧量和最大有氧能力有关。运动中的能量来源主要从脂肪代谢获得。由于运动时间长、强度大，运动员易脱水，而且由于大量的出汗带走体内的钠，因此脱水、脱钠是铁人3项比赛中主要的急性运动性疾病，但在补糖补盐时应考虑使用低渗饮料。比赛中同时还要加强降温措施，预防热危害。
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| 关 键 词： | 铁人3项运动 有氧运动 人体生理机能变化 最大摄氧量 最大有氧能力 脂肪代谢 急性运动性疾病 |
| 修稿时间： | 2001年2月10日 |
The Human Body Machanic Change and Its Affection on Human Body in Triathlon |
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| ZHANG Li Wuhan Institute for Physical Education,P.C..The Human Body Machanic Change and Its Affection on Human Body in Triathlon[J].Journal of Hubei Sports Science,2001,20(2):29-30. |
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| Authors: | ZHANG Li Wuhan Institute for Physical Education PC |
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| Institution: | ZHANG Li Wuhan Institute for Physical Education,P.C. 430079 |
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| Abstract: | Triathlon is constituted by three aerobic events.Vo 2max and maximal aerobic capability determine the competitive capacity of triathlon.It is demonstrated that Vo 2max of triathletes is higher than that of untrained subjects and similar to that of swimmers.Fat is consumed as the main energy during movement of triathlon.Triathlon may seriously lead to dehydration and sodium loss because of progressive sweating by which the water and sodium are removed from blood.Threrefore,low infiltrated drinks and heat prevention have to be taken during movement of triathlon. |
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| Keywords: | triathlon Vo 2max low infiltrated drink |
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