Authors
Katarzyna Burdacka
Department of Recreology and Biological Regeneration of the Academy of Physical Culture, Kraków, Poland
Robert Walaszek
Department of Recreology and Biological Regeneration of the Academy of Physical Culture, Kraków, Poland
Wiesław Chwała
Department of Biomechanics of the Academy of Physical Culture, Kraków, Poland
Marcin Burdacki
Med Coach, Non-public Continuing Education Institution, Kraków, Poland