(1.School of Physical Education,Soutwest China University,Congqing 400715,China;2.Guangdong Sports Technical College,Guangzhou 510100,China) Abstract: In order to study the pattern of changes of hemoglobin (HB), creatine kinase (CK), bloody urine (BU), testosterone (T) and cortisol (C) of male foil fencers in the period of preparing for a major competition, and the in-terrelation between the said indexes, the authors selected 9 male foil fencers in Guangdong province, drew their el-bow venous blood at 7:30 – 8:30 in the next morning after different training stages were finished, tested the said in-dexes, and revealed the following findings: 4 weeks later, there was a significant difference between HB and the ba-sic value (P<0.05), and there was a significant change in CK before and after competition (P<0.05); there was no significant change in BU during training; 8 weeks later, there was a significant change in T (P<0.05), and T changed significantly before and after competition (P<0.01); there was no significant change in C; HB and T decreased as the exercise load increased gradually, and increased as the exercise load decreased, and the change of T was somewhat lagged; CK is the index most sensitive to muscle training loads; the changes of biochemical indexes reflected that the foil fencers had 3 periods of kinetic fatigue in the entire training period. Key words: biochemical monitoring;hemoglobin;creatine kinase;testosterone |