THE EFFECTS OF TWELVE-WEEK FUNCTIONAL TRAINING ON THE POWER OF THE LOWER LIMBS OF YOUNG FOOTBALLERS

Jakub Baron1, Anna Bieniec2, Andrzej Swinarew1,3, Dariusz Skalski4, Arkadiusz Stanula1
1Department of Exercise and Sport Performance, Institute of Sport Science; The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland 2Department of Tourism and Pro-Health Physical Activity; The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland 3Department of Biomaterials, Institute of Materials Science, Faculty of Computer Science and Materials Science, University of Silesia in Katowice, Poland 4Gdansk University of Physical Education and Sport, Gdansk, Poland