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目的：探讨利用运动员血睾酮（Ｔ）、皮质醇（Ｃ）及Ｔ／Ｃ的动态变化作机能评定可行性的研究。方法：进行２级负荷训练，以放免法对Ｔ、Ｃ进行测定分析。结果：（１）Ｔ值：最高为降低强度训练后值，最小为实验前值；与受试前比，男降低强度训练后值，Ｐ＜０．０５，女Ｐ＜０．０１；ＳＤ值较大。（２）Ｔ／Ｃ值：最高为降低强度训练后值，最小为实验前值；与受试前比，降低强度训练后值，Ｐ＜０．０１；ＳＤ值较大。（３）Ｃ值：２级负荷后的数值都有变化Ｐ＞０．０５。结论：Ｔ，Ｃ，Ｔ／Ｃ值对负荷反应灵敏，数值变化有随强度变化的趋势，可作为运动员机能评定的指标；由于Ｔ。Ｔ／Ｃ的ＳＤ值较大，运用该指标进行机能评定时，需区别对待。
Objective: To investigate the feasibility of evaluating the performance of athletes by using the dynamic changes of blood testosterone (T), cortisol (C) and T / C. Methods: 2-level load training, radioimmunoassay T, C were measured and analyzed. Results: (1) T value: the highest value after reducing intensity training, the minimum value before experiment; the value before training, the male decreasing intensity training value, P <0.05, female P <0.01; SD value Larger. (2) T / C value: the highest value after reducing intensity training, the minimum value before experiment; and the value before training, decreasing the intensity after training value, P <0.01; (3) C value: The value after 2 levels of load has changed P> 0.05. Conclusion: The values of T, C and T / C are sensitive to the load and the trend of the change with the intensity can be used as an indicator of the performance of athletes. T / C’s SD value is larger, the use of the index for performance evaluation, need to be treated differently.