一、前言(一)研究现状近年来,优秀中学生跳远运动员之间的竞争愈发激烈,常在1-2cm之间就决定了比赛名次的高低。很多运动员往往平时训练的成绩很好,可是一到比赛中,由于受到踏跳犯规位置的严格限制,致使其技术和自身素质难以发挥出较高水平。亦或者,当其技术和自身技能发挥到淋漓尽致的时候,往往因为仅犯规一两公分而被判为本次试跳失败。故此,跳远助跑的准确性经常困扰着许多跳远运动员,使不少有实力的跳远运动员由于助跑 First, the preface (a) research status In recent years, the competition between excellent high-jump jumpers more intense, often between 1-2cm decided the level of the competition. Many athletes often perform well in normal training, but at the competition, due to the strict restriction of taking the foul position, it is difficult for them to exert their skills and their own qualities to a higher level. Or, when his skills and skills are fully demonstrated, he is often convicted of failing this test because of a foul of only one or two centimeters. Therefore, the accuracy of long jump to run often plagued many long-distance athletes, so many powerful long-jump athletes due to run