Ginszt, Michał, Marcin Berger, Piotr Gawda, Milena Marczak, Apolinary Ginszt, and Piotr Majcher. “Electric Activity of Lumbar Muscles in Sport Climbers”. Journal of Education, Health and Sport 7, no. 5 (May 6, 2017): 107–114. Accessed December 2, 2023. https://apcz.umk.pl/JEHS/article/view/4447.