1. Institute of Physiotherapy and Health Sciences, Academy of Physical Education, 40-065 Katowice, Poland
2. Department of Antropology, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland
3. Department of Adapted Physical Activity and Sport, School of Health Sciences in Katowice, Medical University of Silesia in Katowice, 40-752 Katowice, Poland