Tsakalou, L., Kotsampoukidou, Z., Papa, M., Zaparidis, I. Veröffentlicht in Journal of Physical Education and Sport (2015) “...The aim of the current study was to compare the performance of handgrip strength and ball velocity...”
Bompa, T., Carrera, M. Veröffentlicht 2015 “... increase young athletes` coordination, flexibility, speed, strength, and endurance. It contains a proven...”