The system analysis in comparative estimation of anthropometrical parameters in children of school age living in Tyumen north
Ugra's climatic conditions and the ethnic factor form an arctic adaptive type in khanty schoolboys. The ethnic differentiation begins at younger school age and increases with the beginning of the period of puberty and can be described from a position of the theory of chaos and synergetics with the application of exact quantitative methods of system analysis.
Keywords: anthropometry, ethnic population of the North, system analysis, phase space