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Wanda Forczek
Department of Biomechanics, Faculty of Physical Education and Sport, University School of Physical Education, Krakow, Poland
Tadeusz Ruchlewicz
Department of Biomechanics, Faculty of Physical Education and Sport, University School of Physical Education, Krakow, Poland
Anna Gawęda
Department of Biomechanics, Faculty of Physical Education and Sport, University School of Physical Education, Krakow, Poland