The course of the backward attacks in judo, after the first change of the rules, based on The World Championship from 2009 and 2011 in over 100 kg category. A pilot study
Pujszo Malgorzata, Pujszo Ryszard, Stepniak Robert, Adam Marek. The course of the backward attacks in judo, after the first change of the rules, based on The World Championship from 2009 and 2011 in over 100 kg category. A pilot study. Journal of Education, Health and Sport. 2016;6(6):223 234. eISSN 2391 8306. DOI http:/dx.doi.org/10.5281/zenodo.55180 http:/ojs.ukw.edu.pl/index.php/johs/article/view/3566