| The purpose of the study, this article is applied research. In competitive game, The athlete of simultaneous entry becomes a general phenomenon, since the number limit of the athlete has been abolished. Reviewing the developing history of triple jump and broad jump of the world, we find that many athletes can do exceeding well in a race by simultaneous entry. With the sports training making scientifically and sports level improving, it have become very outstanding sector of modern training and competition that athlete take simultaneous entry to win the game. To study and discovery its inner rule have far-reaching historic meaning and realistic meaning for carrying out country 's Olympic plan and improving the competitive level of sports man s .Quantification of track training is a kind of quantitative definition to physical ability, skill, motion load and other indexes in training process. Training of special fitness is a center link in training physical ability, however, if we want to control the quantitative training process for athletes special fitness and to make the training develop towards the predetermined direction, it is a essential premise to set up a training model of special fitness, which was closely related special performance.For this reason, according fast development of present scientific training model, it is the natural goal to establish the index system and the evaluation standard about special fitness of our elite men s simultaneous entry of triple jump and broad jump ,and it is also an important measure to promote motion level of men triple jumper and broad jumper in our country .This article try to find out feasibility of simultaneous entry s about the elite men triple jump and broad jump, composition of the index system of special fitness ,evolutional method and standard by document study investigation, factor analysis, gray connection analysis and regression analysis, etc .The major result reads as follows:It is feasible for our country s elite men triple jump and broad jump to take simultaneous entry each other. They can support and compensate each other in the field of physical performance, skill, rhythm, and then achieve the both improving of these two events.Index system of our elite men's special fitness can be divided into three parts: special jump, special speed and special strength, which can be showed by five factors, that is :broad jump of ten-step approach, speed of last five-meter approach , standing leap , approach and five-time step-jump ,triple jumping after jumping down from 90cm high, triple jump of ten-step approach .We find the special sensitive fitness index ,and established a forecasting model with it :Y broa jump =2.247+0.761(broad jump of ten-step approach);Y triple jump=3.416+0.829(triple jump of ten-step approach), we find the common special fitness of broad jump and triple jump ,and established a math model with it : Y broad jump =1.103-0.21 (speed of last five-meter approach) +0.44(standing leap)+0.38(triple jumping after jumping down from 90cm high)+0.24(approach and five-time step-jump);Y triple jump=7.089-0.13(speed of last five-meter approach)+0.85(standing leap)+0.32(approach and five-time step-jump)+0.07(triple jumping after jumping down from 90cm high).In the training ,These two models provide reliable basis for the couch to scientifically diagnose sportsman s developmental level of special fitness and simultaneous entry .The comprehensive evaluation standards of special fitness are set up for Chinese elite men broad jump, triple jump and men of simultaneous entry, which make coach to clear training direction, to determine training focalization and to provide the theoretical basis for training special fitness.We make the judge basis of sportsman s dynamic simultaneous entry, which provide basis for couch and sportsman to choose scientific major and accessory hem, and provide directory of the simultaneous entry and training direction for establishing competition .target and training purpose.
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