L. A. Girenko - Ph.D. (Biol.), Associate Professor, Department of Anatomy, Physiology and safe life FGBOU HPE «Novosibirsk State Pedagogical University», Novosibirsk, Russia. E-mail: girenkolarisa@mail.ru
A. B. Kolmogorov - Senior Lecturer in Physical Education, FGBOU HPE «Novosibirsk State Pedagogical University», Novosibirsk, Russia