Influence of After-class Swimming Programs on Physical Fitness of Fifth- and Sixth-Grade Students—Based on Xintai Elementary School Tainan City

[[abstract]]The purpose of this study is to explore the influence of after-class swimming programs on physical fitness of fifth- and six-grade students selected from Xintai Elementary School, Tainan City. There are 100 subjects in total, including fifty boys and fifty girls, and was divided into experimental group and control group. The experimental group was given a 50-minute training each time, twice a week, and the training lasts for twelve weeks. The control group was not given any training. The subjects had undergone tests concerning BMI, Flexibility, Muscular Endurance/ Stamina, Power, and Cardiorespiratory Fitness. This study adopted independent samples t-test to analyze pre-test data in order to find out whether students of experimental group and those of control group had the same quality. The t-test was used to examine the differences of two groups by analyzing pre-test and post-test data. The output of the independent samples t-test served to indicate degrees of improvement on each test item concerned with physical fitness. This study set its measurement of significance asα=.05, and after discussion, we came to the conclusion as follows: The twelve-week swimming program had a great improvement on Cardiorepiratory Fitness