著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Miki Hasegawa and Kenta Homoto and Daiki Koga and Hiroyuki Sakaue and Yasuo Sengoku,Effect of Pre-Race Medicine Ball Throw Down on Fifty-Metre Front Crawl Performance,Sport and olympic-paralympic studies journal : SOPSJ,24321966,Tsukuba : Society for Sport and Olympic-Paralympic Studies,2020-10,5,1,27-34,https://cir.nii.ac.jp/crid/1520854806272829696,