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  • Review Article Others

    A statistical examination into the structure of plays and its relationship to wins/losses in basketball games played by excellent players from the standpoint of STATS

    by Ken Nagamine - May 24, 2022

    We reviewed and summarized the findings from some kinds of perspectives. This allowed us to realize that no consistent findings can be obtained in terms of what plays/factors contribute most to wins/losses and the sequence of plays leading to scoring, that discriminant analysis is commonly used in the studies, and that for structural analysis, no rotational technique was used. Based on these findings, we devised the following new proposals: 1) Researchers need to exert more effort to analyze various kinds of games in the future, 2) We can recommend logistic regression analysis, but not only discrimination analysis. 3) For structural analysis, to make the research findings useful, the rotation of axes or principal components should be actively utilized.

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  • Report Education Others Psychology

    Development of Japanese women professional soccer athletes’ second career training

    by Takahiro Sato - April 22, 2022

    The purpose of this study was to describe, explain, and recommend how women’s professional soccer players and clubs could prepare for second career transitions in a way that minimizes psychosocial crises upon retirement. The Japan Women’s Empowerment Professional Football League (called the WE league) was founded with a mission to contribute towards building a sustainable society through promoting female social participation and enhancing diversity and choice. This study suggested training strategies that could foster second career development in the WE league. These strategies are (a) including theoretical frameworks in second career pathways, (b) the necessity of dual education pathways for Japanese women’s professional athletes, (c) promoting virtual internship experiences for Japanese women’s professional athletes, and (d) recommendations of second career training workshops for professional athletes in the WE League. The WE League and teams should allow professional athletes to improve meaningful skills and knowledge development, multiple experiential learning opportunities, and applicable training on second career development. Due to the paucity of research in this area, it is essential for scholars to further explore potential education and internships opportunities to ease transitions to second careers upon retirement.

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  • Technical Article Engineering in General Information Sciences

    Development of Technology for Generating Panorama and Visualization Using Two-viewpoint Images

    by Takeshi Naruo - June 15, 2022

    Research on tracking and performance analysis of athletes using video images has been actively conducted with the aim of improving athletes' competitive performance. However, when filming plays in field sports, it is difficult to capture the entire field with a single camera without filming from a specific point, such as a spectator's seat on the corner side, because the field is long sideways. Even if the entire field is captured, the players at the back of the field appear small, making analysis difficult. Other issues include the fact that since many coaches and analysts film where the play is progressing, it is hard for them to track the ball seamlessly when the position of play changes significantly depending on the position of ball. To solve this problem, we develop in this study a technology to automatically generate panoramic video images that cover the entire field by using two video cameras. Using this technology, we aim to generate panoramic images of the entire field that makes it possible to surely measure and analyze all players and the ball.

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  • Technical Article Life Sciences and Basic Medicine

    Effects of glucose Ramune candy ingestion on concentration during esports play and cognitive function

    by Ryousuke Furukado - May 1, 2022

    This study aimed to determine the effects of glucose (Ramune candy) ingestion on cognitive function during esports mediation and concentration during gameplay. The participants were 20 healthy male students who did not play games usually (mean age ± 19.85, standard deviation = 0.96). The experimental design was a randomized, double-blind, placebo-controlled crossover study. The results showed that the ingestion of Ramune candy significantly improved cognitive test scores before and after gameplay. During the esports gameplay, the power percentage of sensorimotor rhythm (SMR, 10-11.75 Hz) waves was significantly higher in the Ramune candy condition than in the placebo condition at 25 to approximately 28 min after the ingestion. These results indicate that the ingestion of Ramune candy effectively maintains a relaxed yet concentrated state during cognitively loaded esports gameplay.

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