Moscow University
Anthropology
Bulletin

Secular changes of some morphofunctional characteristics of mongol children and adolescents

Godina E.Z. (1), Lhagvasuren Gundegmaa (2), Bat-Erdene Sh. (2), Zadorozhnaya L.V. (1), Permiakova E.Yu. (1), Uranchimeg Sh. (3), Khomyakova I.A. (1)

1) Anuchin Institute and Museum of Anthropology, Lomonosov Moscow State University, Moscow, Russia; 2) National Institute of Physical Culture of Mongolia, Ulan-Bator, Mongolia; 3) Mongolian State University, Ulan-Bator, Mongolia

Godina Elena Z., D.Sc., Prof.; ORCID ID 0000-0002-0692-420X; egodina11@gmail.com; Gundegmaa Lhagvasuren, PhD; mongol_gunde@mail.ru; Bat-Erdene Sh.,e-mail: mongol_gunde@mail.ru; Zadorozhnaya L.V., e-mail: mumla@rambler.ru; Permiakova Ekaterina Yu., PhD; ORCID ID 0000-0002-6490-4004; ekaterinapermyakova@gmail.com. Uranchimeg Sh., e-mail: mongol_gunde@mail.ru; Khomyakova Irina A., PhD., ORCID ID: 0000-0002-2811-2034; irina-khomyakova@yandex.ru.

Abstract

The patterns of secular changes in children and adolescents of the city of Ulanbaatar (the Republic of Mongolia) measured in 2010–2011 by the authors and in the group of children observed by Uranchimeg in the same place in 1989 [Uranchimeg, 2000] have been analyzed. Total number of the investigated children and adolescents from 9 to 17 years of age was 1351. The surveys were conducted in accordance with bioethical procedures. The program included standard anthropometric measurements and descriptive characteristics [Bunak 1941], pubertal stages evaluation [Solovieva, 1966]. Mean age of development of secondary sexual characteristics was calculated graphically. For most of the anthropometric indices significant differences between the Mongolian teenagers of two series of measurements were revealed. The patterns of secular changes in body size confirms the interaction of «tempo and amplitude» in auxology [Hermanussen, 2013] – changes in tempos of growth and development while achieving the same average values at 16-17-year old boys and girls. The observed differences are the result of achieving the same average values in modern adolescents 1–2 years earlier than in 1980’s. The scale of secular changes in the patterns of “growth” and “development” are different for representatives of two genders: the average body size characteristics vary more in boys, while tempos of sexual maturation – in girls. The increases in body circumferences observed in modern Mongolian schoolchildren were primarily based on the increase of fat component, which generally coincides with the global trends worldwide.

Keywords

auxology, secular changes, tempos of growth, physical development, sexual maturation, stature, BMI, modern Mongolian schoolchildren

Цит.: Godina E.Z., Lhagvasuren Gundegmaa, Bat-Erdene Sh., Zadorozhnaya L.V., Permiakova E.Yu., Uranchimeg Sh., Khomyakova I.A. Secular changes of some morphofunctional characteristics of mongol children and adolescents // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2017; 1/2017; с. 4-14

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