The Research Of Core Strength Training Of Young Swimming Athletes Ranging From Eight To Eleven Years Old

By interviewing excellent swimming athletes of the national team, the writer noticed that core strength training had already been introduced and adopted into the inland regular training by the national swimming team, in preparation for the 2008 Olympic games. Furthermore, the provincial teams also observed the importance of core strength training. However, the significance of core strength in young swimming players has not been realized.Under this background, the research aims at putting forward higher requirements of core strength for young swimming athletes, trying to improve their specific physical abilities in the most efficient way. In addition, the research can also provide some references and guidance for the strength training of young swimming athletes.Methods of the research: this thesis uses the document-data method, expert interviews, the experimental method and mathematical statistics. The subjects are forty children ranging from eight to eleven years old from the public swimming pool of Shijiazhuang. All the subjects are divided into two groups, finishing a blind experiment of eight weeks. The experimental group is trained every Monday, Wednesday Friday and Sunday, under the guidance of the"core strength training"theory, while the control group just does the traditional waist strength training.Results of the research: after the eight weeks'experiment, by comparing four swimming styles, the result can be observed that the grades of all the subjects from the experimental group are improved. Specifically, the improvement in the performance of 50-meter butterfly is the most obvious, about 6.67±3.65 s. The time of 50-metre breaststroke, 50-metre backstroke and 50-metre freestyle is also decreased by 5.63±1.79 s, 4.72±0.42 s and 4.70±3.38 s. The improvement of the experimental group in 400-metre freestyle is 23.3±13.1 s, comparing with the 7.82±5.17 s of the control group. The differences in the beginning 15-metre sprinting (0.7±0.2s vs 0.4±0.1s) and the speed of turning around (0.5±0.2s vs 0.3±0.1s) are also distinct. 1. By comparing the results of two groups, the performances of subjects in the control group are all obviously improved. The most obvious one is butterfly, followed with breaststroke, freestyle and backstroke.2. Comparing with short-distance freestyle, core strength training is more effective in 400-metre or longer-distance swimming.3. As well as the swimming speed and endurance, core strength training can also be beneficial to the abilities of setting out and turning around.