为了掌握大学生中长跑运动员赛前训练中尿液指标的变化规律，给田径项目科学安排赛前训练提供参考，选择6名大学生中长跑运动员作为研究对象，在赛前10周进行连续跟踪测试晨尿及运动后尿10项指标，并进行对照比较。结果表明：尿蛋白在各项指标中最敏感，大强度训练后尿酮体出现阳性率高，部分运动员有尿胆原量次晨高于前次训练后的现象。因此，尿液成分分析结果能反映运动员机能状况，可用于判断运动员疲劳的程度；运动员赛前的饮食情况不符合运动训练的需求，部分运动员在备战赛前训练中表现出不适应状态，训练计划有待调整。%To investigate the urine indicators variation of college medium distance running athletes in the precompetition training and provide a reference to the track and field training, selects 6 college athletes as objects of research and makes continuous tracking tests on the 10 indicators of the morning urine and after-sporting urine in 10 weeks before competition. Results show that the urine protein is the most sensitive indicator, ketone body-positive rate appears high after high intensity training and the next morning urobilinogen amount of some athletes is higher than that after the previous training. Therefore the urine composition analysis may reflect the athletes＇ functional status and can be used to judge the fatigue degree of athletes. And athletes＇ diet before match does not meet the demand of sports training, some shows unfit state in the pre-competition training and needs to adjust the training program.
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