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Analysis in 100 Meters’ Stride, Frequency and Split Speed for Elite Sprinters in Beijing Sports University

Author: LiuHaiTao
Tutor: XiongYan
School: Suzhou University
Course: Sports
Keywords: Sports Training Sprint Stride length and stride frequency Subsection Speed Institute of Physical Education
CLC: G822.1
Type: Master's thesis
Year: 2009
Downloads: 136
Quote: 1
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Abstract


As we all know, the sprint speed (speed = step frequency and stride two most important factors in the decision by the athletes step cadence). 100 Metre Dash, step length and stride frequency is always in constant combination, changing the dynamics of the process, this continues to mix and changes in gait velocity structure of the 100 meter race has a very important impact. Explore master the 100 meter race in segmentation speed and step length, stride frequency combinations law, is of great significance to improve sprint performances. In this paper, 10 outstanding sprinters to the Beijing Sports University, microscopic observation of the entire 100 meter race, and sprinter full stride frequency, stride, and the various stages of the segmentation speed indicators statistics Analysis. This article aims to explore the relationship of the 100 meter race IF amplitude combinations segmentation speed, to further reveal the 100 meter race, sports law, and to provide some reference to the whole rhythm training for coaches short distance Runners. In this paper, the research methods literature, expert interviews, testing method and mathematical statistics. Correlation analysis leads to the following experimental results: (1) 100 meters speed Races highest in 60 meters; average speed speed (2) into the maintenance phase, then declined, the rate of decline of the deceleration phase overly the athletes stride frequency with the pace of change is the fundamental reason for the sprint speed change. (3) step length and stride frequency produced the highest speed and achievements. Movement level, the role of various factors also continue to improve, and to influence sports results from a different aspect. (4) the acceleration phase of stride length and stride frequency correlation significant negative correlation; stride length and stride frequency of the high-speed stage also reached a significant correlation, indicating the maximum speed at this stage will be to help the 100 meter race results. Into the deceleration phase cadence and stride length was significantly negatively correlated; rate of sustained decrement in stride frequency can not be as fast as the high-speed stage. (5) college students the excellent Hectometer athletes speed mode :0-30 m, the acceleration phase; 30-60 m high-speed stage; 60-90 meters maintain speed stage; 90-100 m deceleration phase. Test results are consistent with previous expert findings. The 100 meter race is a dynamic process, step length, stride frequency are two interdependent dynamic parameters, outstanding sprinter in the 100 meter race to keep step length and stride frequency mode of rational combination of speed more than the pursuit of the maximum speed of performance-enhancing and step length and stride frequency the rational combination mode is generally 60 meters.

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CLC: > Culture, science,education, sports > Sports > Athletics > Run > Short distance running
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