Abstract
Features of physical development and constitution, functional parameters of the cardiorespiratory system (PWC170 and maximal oxygen consumption), and sympathetic and parasympathetic influences on the regulation of blood circulation were studied in 12–16-year-old children of newcomers under conditions of adaptation to the Tyumen North. The percentage of adolescents with an excessive or a deficient body weight, growth lag, and delayed puberty was increased. The girls had a decreased efficiency. Age- and sex-related differences of the morphological and physiological parameters of subjects under study were found.
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