英文摘要
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Purpose: Scoring or losing points and five techniques including offload, pass, ruck, scrum and tackle in the first and second half of Taiwan male adult rugby sevens international competitions were aimed to study. Method: YouTube network video platform was logged in to find international events such as the Asian Tour and Asian Games from 2015 to 2019 that the team joining. Winning and losing games was 15 in each, the whole was 30 in total. Videos of these games was analyzed by excel to record scoring or losing points and compute the occurrence times, occurrence rates and success rates of these five techniques. Statistics were performed using SPSS 22.0 software with dependent sample t test, independent sample One-way analysis of variance, LSD post-hoc comparison method. The statistically significant level of this study was set at α=.05. Results: 1. Scoring in a whole game were 14.83±11.58 points and losing were 23.60±16.18 points. 2. Scoring in the first half of one game were 6.80±5.74 points, in the second half were 8.03±8.00 points and there was no significant difference between them. Losing in the first half of one game were 11.13±10.26 points, in the second half were 12.47±8.34 points and there was no significant difference between them. 3. The occurrence times, occurrence rates or success rates of these five techniques in a whole game were different significantly. In the results of occurrence times and occurrence rates, pass was first, tackle was second, ruck was third, offload was fourth and scrum was fifth. In the results of success rates, pass was first, ruck was second, scrum was third, offload was fourth and tackle was fifth. 4. The comparisons of occurrence times, occurrence rates or success rates between the first and second half of one game in anyone of these five techniques were not different significantly. Conclusions and suggestions: 1. Players in the competition of rugby sevens were fewer. In order to increase attacks, it was necessary to reduce the technique of ruck which causing players from the same team gathering in the same position. Comparing with previous international competitions, the ruck of the Taiwan team in recent international competitions had been decreased, but there was still room for improvement. Coaches had still to pay attention during training and competitions. 2. Comparing with the other four techniques, the occurrence times and occurrence rates of tackles were the second high, but success rates of it was the lowest. Tackle was a defensive technique. If executed successfully, it could block the opponent's attack. Comparing with the previous international competition, its performance had been improved, but it was still worth strengthening during training and competition. 3. There were no significant differences in the executions and success rates between the first and second half of one game in each of these five techniques, which shows that the five techniques of the Taiwan team were stable in the first and second half of international competitions. If you wanted to understand how these five techniques affect a game, the differences of these five techniques between winning and losing games could be analyzed further.
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