Biletskaya V. Theoretico-methodical substantiation of junior schoolchildren physical fitness testing in the process of physical education.

Dissertation deals with the problem of improvement of the system of State tests and standards of Ukrainian population physical fitness which are applied in the process of physical education of junior school age children. Substantiation of theoretico-methodical approaches to testing physical fitness of junior school age children for control of physical culture and health related task realization in the process of physical education has constituted the objective of the work. Complex scientific approach to evaluation of physical fitness of junior school age children with account of body age development regularities, level of their physical health, peculiarities of functional provision of individual physical capacity manifestations, accessibility to suggested test execution by children aged 7-10 years as well as possibility of their application in schools of Ukraine has been substantiated in the work. Peculiarities of heart rhythm regulation and responses of the body of junior schoolchildren with differentlevel of physical health to running load of aerobic character have been revealed, thus allowing to substantiate endurance tests which correspond to children body functional capacities. Data concerning regularities of relationship between indices of physical development, physical work capacity and fitness of schoolchildren aged 7-10 years have been supplemented. Theoretical notions about estimation of physical fitness in children of junior school age in the process of physical development have been expanded.