Abstract This study has the objective to study the effect of the lower hand ball, volleyball, sports served in the student using the skills to serve the lower hand. High school water science water district, Ubon Ratchathani, libellous, defamatory, libellous, 2556 number of 32 academic year by separating people find specific, standard deviation, and average per cent before or after training using the training.Researchers found that This research aims to develop the ability to serve the lower hand in hand ball, volleyball, sports, student of 3rd year high school between before and after using a tool serving the lower ball, practice sports, volleyball. The target group is students operate high school 3rd year studying in semester 1 academic year 2556 number of 32 people teaching 4 lessons daily 1 week 1 hour tools used in research training 1) contains 1 training bottom mesh 2-3 meters) away from a practice 2.Practice serving the bottom away from the mesh tool, 6 m 3) training tools training serving 3 bottom mesh 9 m distance to test the ability to serve the ball lower in the hand before and after the volleyball teaching by using the user-generated research assessment. Data analysis by standard deviation, The average percent difference comparison of average end teaching tool 4 weeks. Table 1 showed that naephon could learn katakana in volleyball, high school student 3rd year using the tool below to practice serving the ball in volleyball before learning (X) 7.35 percent average standard deviation average score (S.D) 2.11 36.75 per cent after average 15.7 percent (X) standard deviation (S.D) 1.66 77.85 percent, the average score of the student learning progress. The practice of serving the volleyball sports in the bottom of the workmen, students practice using the skills tool serving below. Average of 39.20 percent.
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