ACTIVE TRUNK MOVEMENT ASSESSMENT AS A KEY FACTOR IN WHEELCHAIR BASKETBALL CLASSIFICATION – AN ORIGINAL STUDY 29. lipnja 2021. | Franjo Lovrić Jolanta Marszalek, Bartosz Molik Jozef Pilsudski University of Physical Education in Warsaw, Faculty of Rehabilitation, Poland DOI. 10.51371/issn.1840-2976.2021.15.1.9