田径运动员要想达到较高水平,取得优异成绩,必须具备较好的、全面的身体素质。因此,要把科学选材作为打造精英的战略措施 1.传统选材 在我国,田径运动员的选材一般分为初选(13岁)、复选(15岁)和优选(17岁)三个阶段。各阶段的任务、指标及评选要求各不相同。 1.1　初选阶段: 13岁的少年正处在生长发育的第二高峰期,这个阶段选材的重点是体能,主要看身体形态和素质。科学研究表明:人体的某些形 Track and field athletes in order to achieve a high level, achieved outstanding results, we must have a better, comprehensive physical fitness. Therefore, we should use scientific material selection as a strategic measure to build the elite. 1. Traditional selection In our country, the selection of track and field athletes is generally divided into primary (13), check (15) and preferably (17) three stages. Tasks, indicators and selection requirements vary from stage to stage. 1.1 primary stage: 13-year-old boy is in the second peak of growth and development, this stage material selection focuses on physical fitness, mainly depends on body shape and quality. Scientific research shows that: some of the human body shape