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目的探索高原运动员生理变化特点和规律。方法 在海拔 ２２６０ ｍ、 ２ ６３０ｍ和 ３９６ ｍ二次高平原交替训练期间，对１２名高原男子中长跑运动员进行血象、心肺功能等测试研究。结果现示上更高高度（海拔２ ６３０ｍ）进行交替训练后，生理指标表现良好效果。结论应用更高高度更低氧刺激训练，可改善高原运动员有氧代谢水平。两次平原训练生理指标的变化趋势并不一致，这与下平原前后的训练安排，气候等因素有关。
Objective To explore the characteristics and laws of physical changes of plateau athletes. Methods Twelve plateau male middle and long distance runners were tested for blood and cardiopulmonary function during the second plains alternation training at 2260 m, 2630 m and 396 m. The results showed that the physiological indicators showed good results after being trained alternately at a higher altitude (2 630m above sea level). Conclusion The application of higher altitude and lower oxygen stimulation training can improve the altitude athletes aerobic metabolism. The trend of physiological training of two plain trainings is inconsistent, which is related to the training arrangement before and after the lower plain, climate and other factors.