“…The increase in aerobic capacity is expected to be the usual effect of pre-season training (Jastrzębski, Dargiewicz, et al, 2011). Nevertheless, there are studies revealing that VO2max increases at the end of the preparation period (McMillan et al, 2005;Jastrzębski, Barnat, Konieczna, Rompa, & Radzimiński, et al, 2011;Charalampos, Zisis, Asterios & Nikolaos, 2013). Other studies asserting that VO2max decreases at the end of the competition period (Mohr, Krustrup, & Bangsbo et al, 2002;Mohr, Krustrup, & Bangsbo, 2003, Dragijsky et al, 2017.…”