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Snatch Technical Analysis of the Elite Female Weightlifters of Shandong

Author: HeMaoGui
Tutor: LiJing
School: Shandong Normal University
Course: Physical Education and Training
Keywords: Shandong Province Weightlifting Snatch Technical features Technical Analysis
CLC: G884.1
Type: Master's thesis
Year: 2011
Downloads: 29
Quote: 0
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Abstract


The modern competition weightlifting actions including the snatch and clean and jerk two plays a vital role in its technical characteristics of weightlifting achievements. Weightlifting is the advantages of the project in China, in the 2008 Beijing Olympic Games, the Chinese team made 8 of 15 enumeration heavy medals, creating a brilliant record. Weightlifting, Shandong Province, the traditional advantages of the project, especially the women's weightlifting athletes in Shandong Province, Tang Gonghong and Liu Chunhong have several world-class competition won the gold medal, and create success. The snatch is an important project for the weightlifting competition, the first project of the weightlifting competition, the snatch, good or bad, will directly affect the final score of the entire weightlifting competition. Analysis of the technical features of the snatch, is of great significance for improving the technical movements of the athletes, improve athletic performance, play a role in promoting the long-term development of the entire weightlifting. In recent years, researchers snatch technology has done a lot of research, mainly on the analysis of the domestic and foreign elite athletes snatch technical movements, and is divided into the distance and barbell center of gravity of an athlete \offset the situation, muscle force characteristics and snatch various stages of EMG characteristics, technical comparison of domestic and international elite athletes snatch, Shandong Province, women's weightlifting athletes rarely. Four Shandong Province athletes to participate in the 2010 National Women's Weightlifting Championship, through the process of research snatch, barbell center of gravity and the body center of gravity changes athletes and athletes body parts of the kinematic parameters change, to analyze athletes snatch technology characteristics. The study found that: (1) \the greater the tension; contrary, the greater the magnitude of the barbell to move forward or backward, the barbell on the subject the greater the deviation from the vertical upward pull force component, two heart distance is too large, easily lead to the action fails or affect the results improve. (2) through the study of the trajectory of the the athletes body center of gravity and the barbell center of gravity, the distance from the the athletes body center of gravity and barbell center of gravity moves in the front and rear side of the vertical reference line generally exhibit the characteristics of unstable operation, and they only by jumping to adjust the distance of the body and barbell center of gravity center of gravity. Is generally believed that this skip forward or backward to adjust to the unstable operation performance. (3) study found that the major joints of the body angle, joint angle trend in line with the characteristics of each stage snatch four athletes in the snatch process, but in the snatch at different stages of the process, the changes in the joints of the different athletes exist differences. (4) by the athletes in the snatch process barbell speed of all aspects of the study found that the athletes at the stage of development effort applied to the barbell vertically upward pull far two phases greater than extensor mention bell and cited knee mentioning bell comply with the force The stage is the technical characteristics of the maximum force of the athletes in the snatch process development effort.

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CLC: > Culture, science,education, sports > Sports > Other sports > Weightlifting > Snatch
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