URTNOWSKA, Katarzyna, BUŁATOWICZ, Irena, RADZIMIŃSKA, Agnieszka, WOŹNIAK, Magdalena, WIŚNIEWSKI, Jacek and ZUKOW, Walery. Physiological changes in the locomotor system of a pregnant and related lumbar-sacral pain - examination of the degree of feeling back pain during properly running pregnancy. Journal of Education, Health and Sport. Online. 5 July 2015. Vol. 5, no. 7, pp. 105-116. [Accessed 18 May 2024].