Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KONDO Masakazu and MURAKAMI Masahide and IWAI Yutaka and SEO Kazuya,A-28 Wind tunnel experiment concerning aerodynamic force that acts when knuckle effect is generated,"The Proceedings of Joint Symposium: Symposium on Sports Engineering, Symposium on Human Dynamics",2433-1309,The Japan Society of Mechanical Engineers,2009,2009,0,147-151,https://cir.nii.ac.jp/crid/1390001206068631552,https://doi.org/10.1299/jsmesports.2009.0_147