About the Authors

Stanisław Sterkowicz

stanislaw.sterkowicz@awf.krakow.pl

Affiliation Department of Theory of Sport and Kinesiology, University of Physical Education, Cracow, Poland

Janusz Jaworski

Affiliation Department of Theory of Sport and Kinesiology, University of Physical Education, Cracow, Poland

Grzegorz Lech

Affiliation Department of Theory of Sport and Kinesiology, University of Physical Education, Cracow, Poland

Tomasz Pałka

Affiliation Department of Physiology and Biochemistry, University of Physical Education, Cracow, Poland

Katarzyna Sterkowicz-Przybycień

Affiliation Department of Gymnastics and Dance, University of Physical Education, Cracow, Poland

Przemysław Bujas

Affiliation Department of Theory of Sport and Kinesiology, University of Physical Education, Cracow, Poland

Paweł Pięta

Affiliation Department of Sports Medicine and Human Nutrition, University of Physical Education, Cracow, Poland

Zenon Mościński

Affiliation Department of Judo, Sport Club GKS Czarni, Bytom, Poland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SS JJ GL TP KSP PB PP ZM. Performed the experiments: SS JJ GL TP KSP PB PP ZM. Analyzed the data: SS JJ GL TP KSP PB PP ZM. Contributed reagents/materials/analysis tools: SS JJ GL TP KSP PB PP ZM. Wrote the paper: SS JJ GL TP KSP PB PP ZM.