本研究用聚丙烯酰胺凝胶垂直板电泳,双波长扫描仪对少年游泳运动员的HbA_2百分含量进行测定。发现大运动量训练对HbA_2水平是有影响的。经六天训练(星期二、五为大运动量训练),星期日休息一天,次周的星期一晨HbA_2百分含量升高,星期二大运动量训练后的次日晨HbA_2百分含量显著下降。运动性贫血的运动员,其HbA_2百分含量一周中的变化趋势与正常运动员相似,但HbA_2百分含量比正常运动员高。 In this study, polyacrylamide gel vertical plate electrophoresis, dual wavelength scanner for juvenile swimmers HbA_2 percentage determination. Found that a large amount of exercise training on HbA_2 level is influential. After six days of training (Tuesday and Friday for a large amount of training), one day off on Sunday, the percentage of HbA_2 increased on the following week’s Monday morning, and the HbA_2 percentage decreased significantly the next morning after a large amount of training on Tuesday. The trend of HbA_2 percentage in athletic ailments athletes was similar to that of normal athletes in one week, but the percentage of HbA_2 was higher than that of normal athletes.