This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Tomasz Kowalski
Institute of Sport – National Research InstituteWarsaw, Poland
Andrzej Klusiewicz
Department of Physiology and Biochemistry, Faculty of Physical Education and Sport in Biała Podlaska,
Józef Piłsudski University of Physical EducationWarsaw, Poland