田径是体育运动的基础,速度是田径运动的基础,步频是提高速度的灵魂,反应能力的快慢是提高速度的前提。突出速度素质中的步频练习,9~12岁是获得速度的最佳黄金时期,也是发展速度素质的有利时期。发展速度素质是一个复杂的综合过程,是人体快速运动的一种能力,这种能力在儿童时期着重培养是十分 Athletics is the basis of sports. The speed is the basis of track and field. The pace is the soul of increasing speed. The speed of response is the precondition of speeding up. Highlighting the pace of frequency of quality practice, 9 to 12 years old is the best time to get the speed of gold, but also the development of quality favorable period. The speed of development Quality is a complex and comprehensive process, a rapid exercise of the human body, this ability to focus on childhood training is very