Excellent20Km Race Walking Athletes In The World The Whole Speed Variation Characteristics Research

Walking belong to fitness dominant cycle endurance project, give priority to withaerobic metabolism and mixed with aerobic anaerobic metabolism. Such projects,fitness and crucial technology and physical play a leading role. At the same time,walking also belong to a fitness class racing program, speed rhythm has a veryimportant influence on the results of the competition. Pace is to point to by changingthe ratio of energy output to control the speed and rate changes, the process ofresearch scope is mainly focused on physical racing class project, requires athleteswithin the prescribed range with the fastest speed through the whole process. So saidthe pace of change internally rely on energy metabolism, its outward manifestation isthe entire section speed fluctuations. So the world excellent race walking athletesspeed variation characteristics of individual and group, the overall development ofspeed walking has important theoretical significance.Walking has always been our country’s traditional advantage project, the period2000-2008, after a temporary decline in recent rebound trend, show the welcome theOlympic Games in London in2012also won a gold and two bronze good results. Thiscannot leave the athletes in the match reasonable speed change and tactics. Based onthe2008Beijing Olympics and the2012Olympics in London before20athletes (maleand female40) in the results of the competition, the segmentation result as theresearch object. At present, the international usually adopt2km section20km racewalking distance analysis perspective to the velocity distribution, piecewise averagespeed reflects the pace of the athletes. So this article will be20km distance is dividedinto ten sections, using Microsoft software and Excel2003SPSS16.0software forcalculation and statistical analysis, the original data of standard deviation, maximumminimum speed fluctuation and correlation index analysis and comparison, in order toget excellent athletes in the world to the speed change trends and laws, for the development of the20km race walking project and provide theoretical basis forraising the level of. Through to the top20, the top eight, over the top three speedchange trend of the analysis and comparison, draw the conclusion:1. Walking is thecyclical endurance sports fitness dominant, with aerobic, anaerobic hybrid powersystem, the speed of the change without energy. At the same time, the energy causedby the speed of change has important influence on the result of the game.2. Throughthe analysis of the standard deviation, it can be seen in the game most of themovement speed walk by the way, the range of the speed change different related totheir ability and tactical arrangements.3. by comparing the average velocity beforeand after analysis, found that the top players are generally the average speed of secondhalf the average speed is greater than the first half, second half has significantcorrelation with the results of the competition, the speed of the second half haveimportant influence on league. Suggestions in the future training should strengthenHouCheng speed endurance training, avoid falling speed too early.4. Through thecomparative analysis of men’s and women’s speed variation found that men’s entirespeed change curve shows bimodal type, after two rise and fall, and the top athleteslast phase is to speed up; Women’s full speed change curve is more stable than man,more close to uniform, top athletes race forward at high speed, speed slightly on theway down, the final phase points up and down type two kinds, according to personalphysical condition and ability are different.5. The change of the entire speed but alsoin different players on the tactical use of20km race walking tactics generally fall intothe entire average, before the slow, quick, lumpy, fast after slow before, such ascompetition, the athletes according to their actual situation and the rhythm of theopponent changes.6. By studying the same player, two different races to full speedchange to further demonstrate the influence of the result of the match, for athletestraining and competition to provide reasonable Suggestions and theoretical basis.