应用二次负荷跑台法测定最大摄氧量的研究

A study of the maximum oxygen uptake determined by using the secondary load running table method

目的:利用心肺功能分析仪寻找一种针对青少年运动员间接测定最大摄氧量的简易方法。方法:以15名国家青年男子手球队队员和11名苏州市体校女子手球队队员为研究对象,均为国家二级以上运动员。采用Bruce跑台测试方案直接测定最大摄氧量,同时,取第一负荷和第二负荷最后15s稳定心率和摄氧量,根据受试者的最高心率(220-年龄),间接计算最大摄氧量(VO_2max),求得各测试者最大摄氧量(VO_2max)值后除以各受试者的相应体重得到相对最大摄氧量(VO_2max)。结果:15名男子运动员相对VO_2max间接测定和直接测定结果无显著性差异(P>0.05);11名女子运动员相对VO_2max间接测定和直接测定结果也无显著性差异(P>0.05)。男、女间接法与直接法相对VO_2max的测试结果均呈线性。男子运动员测试结果相关系数为0.917,(P<0.01),女子运动员测试结果相关系数为0.758,(P<0.05),二者高度相关。以间接相对最大摄氧量为自变量,以相对最大摄氧量为因变量,经逐步回归建立的回归方程,男生是Y=15.18x+0.747,标准估计误差=6.14,P=0.028,女生是Y=23.52x+0.551,标准估计误差=10.59,P=0.054。结论:利用Bruce跑台经典方案中两个最小负荷可以间接测定最大摄氧量,测试结果精确,可用于竞技运动和临床康复的监测。

Objective:Using cardiopulmonary function analyzer(Metalyzer3b,CORTEX Biophysik GmbH,Leipzig,Germany),this paper finds a simple method for teens of measuring the VO2max of athletes indirectly.Methods:The article regards15national youth men’s handball team players,and11suzhou city sports school women’s handball team players as the research object,and all of them are more than national secondary athletes.The paper by Bruce treadmill test plan directly measures VO2max,at the same time,taking the first load and the load last15s stable heart rate and oxygen uptake,according to the maximum heart rate of subjects(220-age)and indirect calculation of VO2max.Each tester for VO2max values divides by the corresponding weight of subjects to obtain relative Vo2max.Results:There was no significant difference between15boys relative VO2max indirect and direct result(P<0.05);There was also no significant difference between11girls relative VO2max indirect and direct result P<0.05.Male and female results on the indirect method and direct method of relative VO2max test results are both linear.Male correlation coefficient is0.917,(P<0.01),and the female correlation coefficient is0.758,(P<0.05),with highly correlated.Regarded indirect relative VO2max as independent variables,regarded the relative VO2max as dependent variable,the regression equation of the boys is Y=15.18x+0.747,and standard error of estimate is6.14,(P=0.028).The girl’s is Y=23.52x+0.551,standard error of estimate is10.59,(P=0.054).Conclusion:The using of Bruce treadmill classic scheme two minimum load can be indirect determination of VO2max,which has accurate test results,can be used in competitive sports and the monitoring of clinical rehabilitation.