ISSN: 2074-8132
ISSN: 2074-8132
En Ru
Peculiarities of morphophysioilogical development of rural Yakut schoolgirls compared to urban Yakut and Russian girls

Peculiarities of morphophysioilogical development of rural Yakut schoolgirls compared to urban Yakut and Russian girls

Recieved: 05/05/2025

Accepted: 05/30/2025

Published: 05/24/2026

Keywords: anthropological diversity; physical development; Yakut girls aged 8-17 years; somatic dimension; age at menarche

Available online: 24.05.2026

To cite this article

Gorbacheva Anna K. , Fedotova Tatiana K. Peculiarities of morphophysioilogical development of rural Yakut schoolgirls compared to urban Yakut and Russian girls. // Lomonosov Journal of Anthropology 2026. Issue 2. 42-56 https://doi.org/10.55959/MSU2074-8132-26-2-04.

This work is licensed under a Creative Commons: Attribution 4.0 International (CC BY 4.0). (CC BY 4.0). (https://creativecommons.org/licenses/by/4.0/deed.ru)
Issue 2, 2026

Abstract

Introduction. Peculiarities of growth and development of rural Yakut girls aged 8-17 years compared to the number of urban samples of Yakut and Russian of Yakutia and Russian girls of Moscow are under discussion.

Materials and methods. The study embraces literary material: rural Yakut examined in 1978, Yakut and Russian of Yakutsk 1989, mixed sample of schoolgirls of Nerungri city 1978-79, schoolgirls of industrial regions of Yakutia 2020, Russian schoolgirls of Moscow 1980s. Anthropometric traits – height, chest circumference, biacromial and pelvic diameters – menarche age are considered. The statistical analysis is carried using STATISTICA 10.

Results and discussion. Height of rural Yakut fall behind height of girls of urban groups through the whole age interval. Up to 17 years the delay is 1,2–1,9 standard deviations. Early peak height velocity 9,3–10,5 years is fixed in populations with the least level of anthropogenic pressure (rural areas and Yakutsk), late peak height velocity 11,4–12 years in populations with high level of anthropogenic pressure – Nerungri city, industrial regions of Yakut Republic 2020, Moscow. Chest girth of rural Yakut has medium status among urban groups, catch up Moscow sample in pelvic diameter up to 17 years, menarche age is 0,64 years later compared to Moscow sample. Rural girls of the Central region of Yakutia have mosaic combination of indices of development: retardation in height combined with medium levels of transversal body development (chest girth, biacromial and pelvic diameters), modest delay in menarche age, as compared to Moscow sample. Combination of delayed age in menarche with early peak height velocity witness to the prolonged puberty period of rural Yakut compared to Moscow population.

Conclusion. Algorithm of age dynamics of height, including age of peak height velocity, its intensity, duration of puberty period and delta between age at peak and age at menarche is reliable tool to separation groups by development rate into retardate and accelerated samples.

Acknowledgements. The study was conducted under the state assignment of Lomonosov Moscow State University

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