KAŁUŻNY, Krystian, KOCHAŃSKI, Bartosz, SZADKOWSKA, Renata, KAŁUŻNA, Anna, CICHOSZ, Michał, ZUKOW, Walery, HAGNER, Wojciech and HAGNER-DERENGOWSKA, Magdalena. The assessment of the relation between the transverse abdominal muscle (TRA) and the occurrence of injuries and contusions at university students. Pedagogy and Psychology of Sport. Online. 20 September 2020. Vol. 6, no. 3, pp. 33-43. [Accessed 24 January 2026]. DOI 10.12775/PPS.2020.06.03.003.