V. B. Boldyreva
Derzhavin Tambov State University
Russian Federation

Vera B. Boldyreva, Candidate of Pedagogy, Associate Professor, Associate Professor of Theory and Methods of Physical Training and Sports Disciplines Department

33 Internatsionalnaya St., Tambov 392000

M. V. Kuzmenko
Moscow State Academy of Physical Education
Russian Federation

Marianna V. Kuzmenko, Candidate of Pedagogy, Associate Professor, Associate Professor of Theory and Methods of Gymnastics Department

33 Shosseynaya St., Malakhovka 140032, Lyubertsy District, Moscow Region

Y. A. Keyno
Derzhavin Tambov State University
Russian Federation

Aleksandr Y. Keyno, Candidate of Pedagogy, Associate Professor, Associate Professor of Theory and Methods of Physical Education and Sports Disciplines Department

33 Internatsionalnaya St., Tambov 392000

M. Y. Bogdanov
Derzhavin Tambov State University
Russian Federation

Mikhail Y. Bogdanov, Candidate of Pedagogy, Associate Professor, Associate Professor of Theory and Methods of Physical Education and Sports Disciplines Department

33 Internatsionalnaya St., Tambov 392000