“…Further, it is possible to evaluate the current level of abilities, optimize the training or evaluate the outcome of the conducted training programs (Đurić et al, 2016). Recent studies have shown that the F-V relationship obtained in multi-joint functional movements (walking, running, jumps, throwing, suppressions), is approximately linear, as well as it is a good indicator of the most significant muscle mechanical properties (Cuk et al, 2014;Dobrijević, Ilić, Đurić, & Jarić, 2017;Driss & Vandewalle, 2013;Samozino, Rejc, Di Prampero, Belli, & Morin, 2012;Samozino, Rejc, di Prampero, Belli, & Morin, 2014;Živković, Đurić, Ĉuk, Suzović, & Jarić, 2017a), which speaks in favor of its practical application.…”