Moscow University
Anthropology
Bulletin

On the variability of measuring features of the head and face in adult Chuvash examined in two districts of Bashkiria (age and epochal aspects)

Batsevich V.A., Permiakova E.Yu., Maurer A.M.

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

Batsevich Valery A., PhD, DSc.; ORCID ID: 0000-0003-3833-1588; batsevich53@mail.ru; Permiakova Ekaterina Yu., PhD; ORCID 0000-0002-6490-4004; ekaterinapermyakova@gmail.com; Maurer Andrey M., PhD, ORCID ID: 0000-0002-2607-1558; foto-rer@yandex.ru.

Abstract

Introduction. This work is devoted to the study of some aspects of age and (or) temporal variability of a number of morphological features of the head and face in the adult Chuvash population in Bashkiria. The objectives of the study were to analyze and assess the presence and degree of morphological changes on the skull of an adult according to a number of signs included in the program on ethnic anthropology, as well as to study their possible connection with age-related transformations or acceleration of development and secular trend. Materials and methods. The surveys were conducted in two districts of Bashkiria, Aurgazinsky and Bizhbulyaksky, in villages with a predominantly Chuvash population. The material was collected in 1999, in total, data were obtained for 361 men and 352 women born from 1915 to 1980. The paper studied the temporal and age variability of the following features: longitudinal, transverse, zygomatic and mandibular dimeters, the smallest width of the forehead, measured the morphological height of the face (from the nasion) and the circumference of the head, calculated the head index. The material was collected by the same researcher. The data were divided into 11 age groups in increments of 5 years, starting in 1925. In each group, the average values of the features and standard deviations were calculated. For all signs, scatter diagrams of the values of signs vs year of birth are presented. Results and discussion. The most stable signs in terms of age were the minimal width of the forehead, head circumference and mandibular diameters. The magnitude of the head index varies significantly due to age-related changes in the transverse and longitudinal diameters of the head, which determine the magnitude of the index. The age-related decrease or stable condition of the head pointer, according to G.L. Hit’ [1968], contradicts our observations. For most indicators, with the exception of morphological height of the face and zygomatic diameter, no pronounced changes were found, which may be due to local features of the development of the examined group. Conclusion. The conducted studies have shown that for a more thorough study of the problem under consideration, it is necessary to attract additional materials collected at different times and under different environmental conditions for a close group (for example, in stable populations of Khalkha Mongols). @ 2023. This work is licensed under a CC BY 4.0 license.

Keywords

anthropology; cephalometric signs; age variability; adults; Chuvash

DOI: 10.32521/2074-8132.2023.3.005-014

Цит.: Batsevich V.A., Permiakova E.Yu., Maurer A.M. On the variability of measuring features of the head and face in adult Chuvash examined in two districts of Bashkiria (age and epochal aspects) // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2023; 3/2023; с. 5-14 (Published: August 23, 2023)

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