| 单兵增氧呼吸器对高原人体运动自由基代谢的影响 |
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| 引用本文： | 崔建华,罗二平,李彬,马广泉,吴晓明,申广浩,哈振德. 单兵增氧呼吸器对高原人体运动自由基代谢的影响[J]. 临床军医杂志, 2005, 33(6): 681-682 |
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| 作者姓名： | 崔建华 罗二平 李彬 马广泉 吴晓明 申广浩 哈振德 |
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| 作者单位： | 解放军第18医院,新疆,叶城,844900;解放军第四军医大学,生物医学工程系,陕西,西安,710032 |
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| 摘 要： | 目的观察佩戴单兵高原增氧呼吸器对高原人体运动自由基代谢和血乳酸(BLA)的影响。方法对进驻海拔3 700 m高原20 d的20名健康青年在佩戴增氧呼吸器和不佩戴增氧呼吸器的条件下,采用功率自行车进行递增负荷运动,在运动后测定血中超氧化物歧化酶(SOD)、丙二醛(MDA)和BLA含量。结果实验组较对照组MDA,BLA降低,SOD增高,有显著性意义(P<0.05或<0.01)。结论单兵高原增氧呼吸器对高原运动造成的自由基损伤有明显抑制作用,可加速运动后体内代谢产物自由基的清除及疲劳恢复。
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| 关 键 词： | 高海拔 自由基代谢 血乳酸 运动试验 |
| 文章编号： | 1671-3826（2005）06-0681-02 |
| 收稿时间： | 2005-10-07 |
| 修稿时间： | 2005-10-07 |
Effects of Add-oxygen Breath Instrument on Free Radical Metabolism after Exercise at High Altitude |
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| Cui Jian-hua,Luo Er-ping,Li Bin,Ma Guang-quan,Wu Xiao-ming,Shen Guang-hao,Ha Zhen-de. Effects of Add-oxygen Breath Instrument on Free Radical Metabolism after Exercise at High Altitude[J]. Clinical Journal of Medical Officer, 2005, 33(6): 681-682 |
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| Authors: | Cui Jian-hua Luo Er-ping Li Bin Ma Guang-quan Wu Xiao-ming Shen Guang-hao Ha Zhen-de |
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| Abstract: | Objective To explore the effects of add-oxygen breath instrument on free radical metabolism and blood lactic acid(BLA) after exercise at high altitude.Methods Twelve healthy young men who had been staying at high altitude for 20 days pedaled the EMG bicycle ergometer whose resistance was progressively increased with(experiment group) and without(control group) add-oxygen breath instrument.Super oxide dismutase(SOD),Malonodialdehyde(MDA) and BLA were measured after exercise.Results MDA and BLA were reduced and SOD were increased in the experiment group when compared with that of the control group(P<0.05,or P<0.01).Conclusion Add-oxygen breath instrume can restrain free radical damage after exercise at high altitude and accelerate the lustration of tiredness. |
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| Keywords: | high altitude free radical metabolism blood lactic acid exercise |
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