| 中等负荷运动时摄氧量限定因素的探讨 |
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| 引用本文： | 魏伟,刘洵,张为桥.中等负荷运动时摄氧量限定因素的探讨[J].天津体育学院学报,1994,9(3):12-15. |
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| 作者姓名： | 魏伟 刘洵 张为桥 |
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| 作者单位： | 天津大学，天津体育学院 |
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| 摘 要： | 本实验通过对ＳＶ和Ａ－ＶＯ_２的同时测定，进一步探讨了ＶＯ_２的限定因素。结果显示：用快增及慢增负荷运动形式达４０％ＶＯ_（２ｍａｘ）时，快增负荷运动的Ａ－ＶＯ_２较大而慢增负荷运动的ＳＶ较大。因此，随运动方式不同ＶＯ_２的限定因素则有所改变。
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| 关 键 词： | 快增负荷，慢增负荷，每搏输出量，动静脉氧差 |
EXPLORATION OF THE LIMITATION TO OXYGEN UPTAKE DURING MODERATE INTENSITY EXERCISE |
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| WEI Wei,LIU Xun and ZHANG Weiqiao.EXPLORATION OF THE LIMITATION TO OXYGEN UPTAKE DURING MODERATE INTENSITY EXERCISE[J].Journal of Tianjin Institute of Physical Education,1994,9(3):12-15. |
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| Authors: | WEI Wei LIU Xun and ZHANG Weiqiao |
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| Institution: | Wei Wei; Liu Xun; Zhang Weiqiao |
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| Abstract: | By examining stroke volume and arteriovenous O_2 difference simultaneously,the author investigated the limitation to oxygen uptake. The results indicated that when the exercise intensity reached 40% VO_(2max) by the patten of fast increasing work load, subjects' arteriovenous O_2 difference was larger,whereas subjects' stroke volume was larger when 40% VO_(2max) was reached by the patten of slow increasing work load.Therefore,the limitation to oxygen uptake is not constant in different exercise pattens. |
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| Keywords: | fast increasing work load slow increasing work load stroke volume arteriovenous O_2 difference |
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