对赛前少年游泳运动员机能状态的追踪研究,发现心电图ⅡT/R值随训练负荷的增加和累积而下降,随训练负荷减少、调整而上升。赛前心电图分析,有利于教练员根据实际情况,整体安排训练和调整计划。对每个运动员心电图分析有利于对训练期内出现运动疲劳的运动员重新制定个体训练计划。ⅡT/R指标不仅灵敏而且较及时地反映机能状态,可作为赛前调整的参考依据。 Follow-up study on the functional status of pre-competition juvenile swimmers found that the value of Ⅱ T / R of electrocardiogram decreased with the increase and accumulation of training load, and decreased as training load decreased. ECG before the game is conducive to the coaches according to the actual situation, the overall arrangement of training and adjustment programs. The ECG analysis of each athlete is helpful to re-establish the individual training plan for the athletes who have fatigue during the training period. ⅡT / R indicators not only sensitive and timely reflect the functional status, can be used as a reference for the adjustment before the game.