Moscow University
Anthropology
Bulletin

Comparison of the morphological characteristics of the two groups of Chuvash, examined on the territory of Chuvashia and Bashkortostan

Batsevich V.A., Yasina O.V., Sukhova A.V.

Lomonosov Moscow State University, Anuchin Institute and Museum of Anthropology, Mokhovaya st., 11, Moscow, 125009, Russia

Batsevich Valery A., PhD; ORCID ID: 0000-0003-3833-1588; batsevich53@mail.ru; Yasina Oksana V., ORCID ID: 0000-0001-9133-0440; okyasina@mail.ru; Sukhova Alla V., PhD.; ORCID ID: 0000-0002-8809-3592; alla-sukhova@bk.ru.

Abstract

This study deals with the comparative analysis of anthropometric data of two samples of the Chuvash population: first from Aurgazinski and Bizchbulakski regions of Bashkortostan and second from Yadrinski region of Chuvashia. Data were collected in 1999 and 2002 respectively, the total sample size is 710 and 239 people respectively aged 18-88 years. Standard methods of anthropometric measurements were used [Smirnova, Shagurina, 1981]. The total number of 53 traits was used to characterize each group. Among them total body dimensions and girths, measurements of condyles and skinfolds. Lengths of trunk and extremities’ segments, some proportions, lean and adipose components of body mass were calculated. Arithmetic means, standard deviations and variation coefficients were calculated for a “standard sample” of all persons aged 20-50 as well as for every ten years interval (20 to 29, 30 to 39 etc.). Student’s t-criterion was used for comparison of arithmetic means. Study of anthropometric data temporal variation showed that till 1920-1930th the examined Chuvash groups (including data studied before [Chizhikova, 2004]), have similar morphological characteristics. Since 1930th examined groups show acceleration of development and changes in body measurements. The rates of temporal somatic changes are higher for Chuvash of Yadrinski region born in 1950th and later. Comparison of data for 20-to-50-year-olds showed that Chuvash of Yadrinski region have higher body mass, higher longitudinal, transversal measurements, and circumferences. Means of trunk length and distal extremities’ segments do not differ. Chuvash females from two districts have less statistical differences of body dimensions than males (30,2% and 52,8% respectively). In particular, they have close body length, trunk length, and upper segment length. The significant statistical differences among longitudinal dimensions are the lengths of extremities and their segments, mean values being bigger for Chuvash females of Yadrinski region. Transversal dimensions and circumferences of Chuvash females have no significant differences. The examined groups have almost no differences in traits, associated with adipose tissue, its quantity and topography. Intergroup differences in somatic characteristics found for both males and females are the consequence of biological response of the human body to variety and intensity of environmental factors during changes in ecological conditions. It’s also possible to postulate relative proximity of adaptive dynamics rates of somatic status and ontogenesis as a whole, both in the compared groups and all examined groups.

Keywords

anthropology; morphology of man; anthropoecology; Chuvash; age-related variability; temporal variability

DOI: 10.32521/2074-8132.2017.4.054-074

Цит.: Batsevich V.A., Yasina O.V., Sukhova A.V. Comparison of the morphological characteristics of the two groups of Chuvash, examined on the territory of Chuvashia and Bashkortostan // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2017; 4/2017; с. 54-74

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