前言 随着运动训练科学化在训练时间中的不断深入和发展，训练手段的选择和运用已成为广大教练员和运动员的主要任务。单凭经验选择训练手段已难以在日益激烈的竞争中立足，人们越来越倚重那些经过科研人员的分析和测试，加以定性，并易于在训练时间中使用的训练手段。对于以体 Preface With the continuous deepening and development of sports training in training time, the selection and application of training methods has become the main task of the majority of coaches and athletes. It is difficult to choose training methods based on experience alone in the increasingly fierce competition. People rely more and more on those training methods that have been analyzed and tested by scientific researchers, characterized, and easily used in training time. For the body