Department of Kinesiology, Institute of Sport, 01-982 Warsaw, Poland. Department of Applied and Clinical Physiology, Collegium Medicum University of Zielona Gora, 65-417 Zielona Góra, Poland. Department of Sports Theory, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland. Department of Physiology, Medical University of Bialystok, 15-222 Bialystok, Poland.