【摘要】 从中跑成绩发展的趋势与特点去分析,现代中跑是一种超长短跑项目,要求速度快、强度大。运动时的供能系统主要以无氧代谢供能为主,并会产生大量有乳酸。本文试以能量代谢系统供能特点的角度,着重探讨青少年中跑运动员的速度训练。更多还原

【Abstract】 Analysed from the achievement tendency and its characteristics, modern mediun - running is a course of ultra - dash, which repuires high speed and great intensity, During running, no ?oxygen metabolism is mainly effective in the energy ?provision system, and great lactic acid is produced meanwhile. This paper is to initial approach the speed quality training of the ultra - dash teenagers, trying to demenstrate it from the energy - provision characteristics in the metabolism system.更多还原