1. Arefiev, V.G. (2014). Modeling of differentiated physical fitness of schoolchildren. Pedagogy, psychology and medical and biological problems of physical education and sports, 1, 3-8. http://nbuv.gov.ua/UJRN/PPMB_2014_13
2. Boychuk, R. (2013). Justification of the means and methods of development of coordination abilities of young volleyball players at the stage of initial training. Young sports science of Ukraine: coll. of science from the field of physics education, sports and human health, 17(1), 17-23.
3. Hrygoryshyn, T.B., &; Kachur, O.I. (2018). Justification of the experimental methodology for the development of coordination abilities of young volleyball players. "Young Scientist", 3, 123-127.
4. Grinchenko, I.B., Siriy, O.V., Tikhonova A.O., &; Tikhonov, A.I. (2021). The use of acrobatic exercises in the educational and training process of young volleyball players aged 12–14. "Sportivnye Igry". 4 (22), 34–44 doi: 10.15391/si.2021-4.03
5. Guba, V.P. (2000). Morpho-biomechanical studies in sports. M.; Sport. academ. Press.