@Article{ authors = " Michał Ginszt, Marcin Berger, Piotr Gawda, Milena Marczak, Apolinary Ginszt, Piotr Majcher", title = "Electric activity of lumbar muscles in sport climbers", journal = "Journal of Education, Health and Sport", issue = "2017 / Tom 7 / Numer 5", pages = "107 - 114" }