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Men's Triple Jump Of The Excellent Athletes Jump Take-off Kinematic Features Of Research

Posted on:2012-12-19Degree:MasterType:Thesis
Country:ChinaCandidate:X W YangFull Text:PDF
GTID:2217330368980446Subject:Physical Education
Abstract/Summary:PDF Full Text Request
Triple jump is a physical quality request is higher, the technology is more complex, physical quality and technique highly unified project. It is because of its the particularity, this project since its appearance since 200 years ago, the technology has been constantly changing. From the initial freestyle jump method, develop gradually to the high jump, jump type of technology type peace now appeared again speed type technology, several types of skills in comparison, based on the speed of the speed of triple jump technology, pay more attention to improve the utilization rate of run-up speed, reduce loss, horizontal speed increases the third jump takeoff speed and far degrees. From the current world excellent athletes can see, speed type technology creation outstanding achievement, so the percentage of maximum speed type technology is triple jump now and in the future the inevitable trend, and speed with the previous type technology compared more emphasis on technical types and give play to level spee. The most outstanding characteristic is the third jump significantly increased, with "degree of rapid" as the characteristic, run-up fast, triple jump fast, minimize the loss of horizontal speed, pay attention to play and utilization has obvious horizontal speed, shorten the first jump distance, greatly increase the third jump degrees technical rhythm trend. So at the end of the high level athletes victory also depends on the third jump, want to add the third jump far degrees in ensuring appropriate to the premise of prancing Angle, as far as possible big increase beginning speed, appropriate soar prancing Angle and leaps at first speed is obtained by take-off movement, so for take-off technology research is particularly important. It requires athletes in as horizontal speed using surplus under the premise of vertical velocity, try to improve, to obtain a high trajectory far vacated. Take-off technology is by supporting landing, knees buffer and pedal stretch from several parts, including any link is not reasonable will affect the final takeoff effect. So to measure the relative standard on take-off technology is this action will be as small reduce the loss of the horizontal speed obtained by run-up, with minimal loss horizontal speed transmission to the next link, and through reasonable takeoff pedal pendulum action to have appropriate prancing Angle, and achieve the best combination of both.This paper discusses two elite male triple jump athletes some of the take-off technology jumping stage technical indexes by American Ariel kinematics analysis (3d software analysis system, data analytical to back all have a person to complete, minimize error), through to the two athletes and the overseas elite athletes each index data were compared and technical status quo aimed at diagnosis athletes, analyzes the existing main technical problem, find their advantages, make in the later training purpose for scores more explicit, further improve breakthrough, so as to promote our country find men's triple jump technical training level and world advanced level, so as to improve the standards in the technical level of male triple jump. For our country the male triple jump technical training provide specific quantitative index. In training to some guiding significance for the coaches formulate training program, provides some references to carry on the scientific training opinion.leg steaks extremities, support buffer ability is poor, finish is long, buffer against the horizontal speed keep and takeoff time shorten; In moments, from the ground because our athletes stage takeoff leg excessive buffer influenced the pedal stretch takeoff leg, at the same time because send force takeoff leg special jumping ability is insufficient, make the pedal takeoff leg movement not fully, stretch the influence the ground instantly prancing speed and prancing Angle, which affect the final jump far degrees. (3) our athletes touchdown action is bad, be born before can't effectively control body posture, touchdown moments of body gravity takeoff point too far from a projection. Can effectively reduce the loss of horizontal speed. And all Israel and sectoral Angle ergometer with foreign athletes exist very significant difference between ideal Angle is theoretically, also has the very big disparity. (4) our mobilization during take-off swinging leg swinging isn't aggressive enough, swinging speed and range is not very good, also from takeoff leg in the extensor moment, knee extensor etc stretch of hip muscles not fully participate in takeoff action, no good finish pedal and swing coordination.
Keywords/Search Tags:triple jump, Application effect, Teaching experiment
PDF Full Text Request
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