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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">morpho</journal-id><journal-title-group><journal-title xml:lang="ru">Морфологические ведомости</journal-title><trans-title-group xml:lang="en"><trans-title>Morphological newsletter</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1812-3171</issn><issn pub-type="epub">2686-8741</issn><publisher><publisher-name>Private Medical University REAVIZ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20340/mv-mn.2022.30(2).625</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-625</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>ЭПОХАЛЬНАЯ СТАБИЛЬНОСТЬ ДЛИНЫ БЕДРЕННЫХ КОСТЕЙ НЕКРОПОЛЯ СРЕДНЕВЕКОВОГО СМОЛЕНСКА</article-title><trans-title-group xml:lang="en"><trans-title>THE EPOCHAL STABILITY OF THE LENGTH OF THE FEMUR OF MEDIEVAL SMOLENSK NECROPOLIS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5031-3070</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тейкина</surname><given-names>Ольга Юрьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Teykina</surname><given-names>Ol'ga Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший преподаватель кафедры анатомии человека</p></bio><bio xml:lang="en"><p>Senior Lecturer of The Department of Human Anatomy</p></bio><email xlink:type="simple">helga70@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4038-1894</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деревцова</surname><given-names>Светлана Николаевна</given-names></name><name name-style="western" xml:lang="en"><surname>Derevtsova</surname><given-names>Svetlana N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доцент, кандидат педагогических наук, доцент кафедры физики, математики и медицинской информатики</p></bio><bio xml:lang="en"><p>Docent, Candidate of Pedagogical Sciences, Assistant Professor of The Department of Physics, Mathematics and Medical Informatics</p></bio><email xlink:type="simple">svetlanaderevtsova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Смоленский государственный медицинский университет, Смоленск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Smolensk State Medical University, Smolensk</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>22</day><month>05</month><year>2022</year></pub-date><volume>30</volume><issue>2</issue><fpage>55</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тейкина О.Ю., Деревцова С.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Тейкина О.Ю., Деревцова С.Н.</copyright-holder><copyright-holder xml:lang="en">Teykina O.Y., Derevtsova S.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.morpholetter.com/jour/article/view/625">https://www.morpholetter.com/jour/article/view/625</self-uri><abstract><p>На исследовании в лаборатории остеологического мониторинга археологических раскопок кафедры анатомии человека Смоленского государственного медицинского института находятся бедренные кости взрослых людей из некрополя «Пятницкого конца» средневекового Смоленска. Во избежание сложностей при интерпретации результатов исследовательской работы с потенциально огромным объемом информации и для ее усовершенствования остеологический материал, относящийся по данным археологии к XII–XVIII векам был систематизирован. Общая теория систем позволяет использовать понятие биологической системы (математической модели), на которой в результате абстрагирования адаптация, эволюция и иные процессы могут отражаться в минимальной степени. Целью настоящего исследования был анализ устойчивости во времени остеометрического параметра наибольшей длины систематизированных, но первоначально разрозненных правых и левых бедренных костей человеческих останков XII–XVIII веков. Объектами исследования стали 288 левых и 295 правых бедренных костей останков взрослых людей из некрополя средневекового Смоленска. Измерялся остеометрический параметр наибольшей длины модифицированным штативом Рида между самой высоко расположенной точкой головки бедренной кости и самой низко расположенной точкой медиального мыщелка по классическому методу В.П. Алексеева (1966). Эпохальная устойчивость определялась путем статистического анализа вариационных рядов параметра с помощью приемов описательной статистики. Результаты статистического исследования двух вариационных рядов значений остеометрического параметра наибольшей длины 288 левых и 295 правых бедренных костей оказались близкими по значениям. Получено нормальное симметричное распределение с максимально отрицательным плосковершинным эксцессом для обоих вариационных рядов без деления на несколько вершин. Результаты отражают статистическую типичность параметра, его малые осцилляции, однородность костных объектов исследуемого остеометрического параметра, находившихся на протяжении семи столетий под модифицирующим воздействием факторов среды. Это позволяет сделать вывод о том, что в статистически искусственной системе 583 бедренных костей обнаружена однотипная эпохальная устойчивость параметра их наибольшей длины во временном отрезке нескольких веков.</p></abstract><trans-abstract xml:lang="en"><p>The study in the Laboratory of osteological monitoring of archaeological excavations of the Department of Human Anatomy of the Smolensk State Medical Institute contains the femurs of adults from the «Pyatnitsky Konets» necropolis in medieval Smolensk. In order to avoid difficulties in interpreting the results of research work with a potentially huge amount of information and to improve it, the osteological material, which, according to archeological data, dates back to the 12th–18th centuries, was systematized. The general theory of systems makes it possible to use the concept of a biological system (mathematical model), on which, as a result of abstraction, adaptation, evolution, and other processes can be reflected to a minimal extent. The aim of this study was to analyze the stability over time of the osteometric parameter of the greatest length of systematized, but initially disparate right and left femurs of human remains of the 12th–18th centuries. The objects of study were 288 left and 295 right femurs of the remains of adults from the necropolis of medieval Smolensk. The osteometric parameter of the greatest length was measured with a modified Reed tripod between the highest point of the femoral head and the lowest point of the medial condyle according to the classical method of Russian anthropologist Valery Alekseev (1966). Epochal stability was determined by statistical analysis of variation series of the parameter using descriptive statistics techniques. The results of a statistical study of two variation series of values of the osteometric parameter of the greatest length of 288 left and 295 right femurs turned out to be close in values. A normal symmetrical distribution with the most negative flat-top kurtosis for both variation series without division into several vertices is obtained. The results reflect the statistical typicality of the parameter, its small oscillations, the homogeneity of the bone objects of the studied osteometric parameter, which have been under the modifying influence of environmental factors for seven centuries. This allows us to conclude that in the statistically artificial system of 583 femurs, the same type of epochal stability of the parameter of their greatest length was found in the time period of several centuries.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бедренная кость</kwd><kwd>длина кости</kwd><kwd>остеометрия</kwd><kwd>биологическая система</kwd><kwd>археология</kwd></kwd-group><kwd-group xml:lang="en"><kwd>femur</kwd><kwd>bone length</kwd><kwd>osteometry</kwd><kwd>biological system</kwd><kwd>archeology</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Garanichev VV, Glotov VA. Analiz antropologicheskogo materiala, obnaruzhennogo pri arkheologicheskikh raskopkakh na predelakh Verkhnego Podneprov'ya. Nauka o cheloveke i obshchestve: itogi, problemy, perspektivy: sbornik statey. Moskva, 2003.- S. 234-239. In Russian</mixed-citation><mixed-citation xml:lang="en">Garanichev VV, Glotov VA. Analiz antropologicheskogo materiala, obnaruzhennogo pri arkheologicheskikh raskopkakh na predelakh Verkhnego Podneprov'ya. Nauka o cheloveke i obshchestve: itogi, problemy, perspektivy: sbornik statey. Moskva, 2003.- S. 234-239. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Merenkov VG. Osteologichesky monitoring arkheologicheskikh issledovaniy. Opyt provedeniya na territorii g. Smolenska. Germaniya: Lap lambert Academic publishing, 2011.- 235s. In Russian</mixed-citation><mixed-citation xml:lang="en">Merenkov VG. Osteologichesky monitoring arkheologicheskikh issledovaniy. Opyt provedeniya na territorii g. Smolenska. Germaniya: Lap lambert Academic publishing, 2011.- 235s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Merenkov VG. Sistemny anatomichesky i fiziko-antropologichesky analiz kostnykh ostankov X–XVIII vv. iz arkheologicheskikh kollektsy Smolenskogo gosudarstvennogo muzeya-zapovednika, naydennykh na territorii Verkhnego Podneprov'ya. Avtoref. diss. na soisk. uch. st. kand. biol. nauk.- Tula, 2008.- 26s. In Russian</mixed-citation><mixed-citation xml:lang="en">Merenkov VG. Sistemny anatomichesky i fiziko-antropologichesky analiz kostnykh ostankov X–XVIII vv. iz arkheologicheskikh kollektsy Smolenskogo gosudarstvennogo muzeya-zapovednika, naydennykh na territorii Verkhnego Podneprov'ya. Avtoref. diss. na soisk. uch. st. kand. biol. nauk.- Tula, 2008.- 26s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Blauberg IV, Sadovsky VN, Yudin YeG. Sistemny podkhod. Seriya Filosofiya 2.- M.: Znanie, 1969.- 48s. In Russian</mixed-citation><mixed-citation xml:lang="en">Blauberg IV, Sadovsky VN, Yudin YeG. Sistemny podkhod. Seriya Filosofiya 2.- M.: Znanie, 1969.- 48s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Riznichenko GYu. Matematicheskoe modelirovanie biologicheskikh protsessov. Modeli v biofizike i ekologii: ucheb. posobie dlya bakalavriata i magistratury. 2-e izd., pererab. i dop.- Moskva: Yurayt, 2019.- 181s. In Russian</mixed-citation><mixed-citation xml:lang="en">Riznichenko GYu. Matematicheskoe modelirovanie biologicheskikh protsessov. Modeli v biofizike i ekologii: ucheb. posobie dlya bakalavriata i magistratury. 2-e izd., pererab. i dop.- Moskva: Yurayt, 2019.- 181s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Riznichenko GYu. Matematicheskie modeli v biofizike i ekologii. Moskva-Izhevsk: Institut komp'yuternykh issledovaniy, 2003.- 184s. In Russian</mixed-citation><mixed-citation xml:lang="en">Riznichenko GYu. Matematicheskie modeli v biofizike i ekologii. Moskva-Izhevsk: Institut komp'yuternykh issledovaniy, 2003.- 184s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Orazbaev BB, Kurmangazieva LT, Kodanova ShK. Teoriya i metody sistemnogo analiza: uchebnoe posobie. Moskva: Izdatel'skiy dom Akademii Estestvoznaniya, 2017.- 248s. In Russian</mixed-citation><mixed-citation xml:lang="en">Orazbaev BB, Kurmangazieva LT, Kodanova ShK. Teoriya i metody sistemnogo analiza: uchebnoe posobie. Moskva: Izdatel'skiy dom Akademii Estestvoznaniya, 2017.- 248s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Skorinkin AI. Matematicheskoe modelirovanie biologicheskikh processov: uchebno-metodicheskoe posobie. Kazan': Kazansky universitet, 2015.- 86s. In Russian</mixed-citation><mixed-citation xml:lang="en">Skorinkin AI. Matematicheskoe modelirovanie biologicheskikh processov: uchebno-metodicheskoe posobie. Kazan': Kazansky universitet, 2015.- 86s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Riznichenko GYu. Sistemno-dinamicheskie i agentnye modeli v biologii. Aktual'nye voprosy biologicheskoy fiziki i khimii. BFFH-2020: materialy XV mezhdunarodnoy nauchnoy konferentsii, g. Sevastopol', 14-16 sentyabrya 2020 g., obshchaya biofizika.- Sevastopol', 2020.- S. 51. In Russian</mixed-citation><mixed-citation xml:lang="en">Riznichenko GYu. Sistemno-dinamicheskie i agentnye modeli v biologii. Aktual'nye voprosy biologicheskoy fiziki i khimii. BFFH-2020: materialy XV mezhdunarodnoy nauchnoy konferentsii, g. Sevastopol', 14-16 sentyabrya 2020 g., obshchaya biofizika.- Sevastopol', 2020.- S. 51. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Novosel'tsev VI, Tarasov BV. Teoreticheskie osnovy sistemnogo analiza. Pod red. V.I. Novosel'tseva. 2-е izd., ispr. i pererab.- Mosckva: Mayor Osipenko, 2013.- 536s. In Russian</mixed-citation><mixed-citation xml:lang="en">Novosel'tsev VI, Tarasov BV. Teoreticheskie osnovy sistemnogo analiza. Pod red. V.I. Novosel'tseva. 2-е izd., ispr. i pererab.- Mosckva: Mayor Osipenko, 2013.- 536s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Riznichenko GYu. Matematicheskoe modelirovanie biologicheskikh protsessov. Modeli v biofizike i ekologii: ucheb. posobie dlya vyzov. 2-e izd., pererab. i dop. Moskva: Yurayt, 2021.- 181s. In Russian</mixed-citation><mixed-citation xml:lang="en">Riznichenko GYu. Matematicheskoe modelirovanie biologicheskikh protsessov. Modeli v biofizike i ekologii: ucheb. posobie dlya vyzov. 2-e izd., pererab. i dop. Moskva: Yurayt, 2021.- 181s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Savinov AB. Biosistemologiya (sistemnye osnovy teorii evolyutsii i ekologii): uchebnoe posobie.- N. Novgorod: Izd. NNGU, 2006.- 205s. In Russian</mixed-citation><mixed-citation xml:lang="en">Savinov AB. Biosistemologiya (sistemnye osnovy teorii evolyutsii i ekologii): uchebnoe posobie.- N. Novgorod: Izd. NNGU, 2006.- 205s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Teoriya sistem i biologiya. Per. s angl.: E.Ye. Kazakevich, L.I. Titomira. Pod red. i s predisloviem V.I. Krechinskogo. Moskva: Mir, 1971.- 130s. In Russian</mixed-citation><mixed-citation xml:lang="en">Teoriya sistem i biologiya. Per. s angl.: E.Ye. Kazakevich, L.I. Titomira. Pod red. i s predisloviem V.I. Krechinskogo. Moskva: Mir, 1971.- 130s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Pronin GN, Sobol' E, Gusakov MG. Drevniy Smolensk. Arkheologiya Pyatnitskogo kontsa.- Smolensk, 2011.- 208s. In Russian</mixed-citation><mixed-citation xml:lang="en">Pronin GN, Sobol' E, Gusakov MG. Drevniy Smolensk. Arkheologiya Pyatnitskogo kontsa.- Smolensk, 2011.- 208s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Alekseev VP. Osteometriya. Metodika antropometricheskikh issledovany. Moskva: Nauka, 1966.- 251s. In Russian</mixed-citation><mixed-citation xml:lang="en">Alekseev VP. Osteometriya. Metodika antropometricheskikh issledovany. Moskva: Nauka, 1966.- 251s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Teykina OYu, Teykin YuA. Modifikatsiya izmeritel'nogo shtativa Rida dlya osteologicheskikh izmereniy. Racionalizatorskoe predlozhenie. Udostoverenie № 1616 ot 07.02.18 g. Smolensk, SGMU. In Russian</mixed-citation><mixed-citation xml:lang="en">Teykina OYu, Teykin YuA. Modifikatsiya izmeritel'nogo shtativa Rida dlya osteologicheskikh izmereniy. Racionalizatorskoe predlozhenie. Udostoverenie № 1616 ot 07.02.18 g. Smolensk, SGMU. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Ivanitskiy MF. Anatomiya cheloveka (s osnovami dinamicheskoy i sportivnoy morfologii): uchebnik dlya institutov fizicheskoy kul'tury. Pod red. B.A. Nikityuka, A.A. Gladyshevoy, F.V. Sudzilovskogo. 14-e izdanie. Mokva: Sport, 2018.- 624s. In Russian</mixed-citation><mixed-citation xml:lang="en">Ivanitskiy MF. Anatomiya cheloveka (s osnovami dinamicheskoy i sportivnoy morfologii): uchebnik dlya institutov fizicheskoy kul'tury. Pod red. B.A. Nikityuka, A.A. Gladyshevoy, F.V. Sudzilovskogo. 14-e izdanie. Mokva: Sport, 2018.- 624s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Lakin GF. Biometriya. 2-е izd., pererab. i dop. Moskva: Vysshaya shkola, 1973.- 343s. In Russian</mixed-citation><mixed-citation xml:lang="en">Lakin GF. Biometriya. 2-е izd., pererab. i dop. Moskva: Vysshaya shkola, 1973.- 343s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Platonov AE. Statistichesky analiz v meditsine i biologii: zadachi, terminologiya, logika, komp'yuternye metody. Moskva: Izdatel'stvo RAMN, 2000.- 52s. In Russian</mixed-citation><mixed-citation xml:lang="en">Platonov AE. Statistichesky analiz v meditsine i biologii: zadachi, terminologiya, logika, komp'yuternye metody. Moskva: Izdatel'stvo RAMN, 2000.- 52s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Platonov IA. Osnovy mediko-biologicheskoy statistiki. Chast' I. Otsenka parametrov raspredeleniya ryada.- Smolensk, 1997.- 84s. In Russian</mixed-citation><mixed-citation xml:lang="en">Platonov IA. Osnovy mediko-biologicheskoy statistiki. Chast' I. Otsenka parametrov raspredeleniya ryada.- Smolensk, 1997.- 84s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Primenenie metodov statisticheskogo analiza dlya izucheniya obshchestvennogo zdorov'ya i zdravookhraneniya: uchebnoe posobie dlya vuzov. Pod red. chl.-korr. RAMN, prof. V.Z. Kucherenko.- M.: GEOTAR-Media, 2006.- 190s. In Russian</mixed-citation><mixed-citation xml:lang="en">Primenenie metodov statisticheskogo analiza dlya izucheniya obshchestvennogo zdorov'ya i zdravookhraneniya: uchebnoe posobie dlya vuzov. Pod red. chl.-korr. RAMN, prof. V.Z. Kucherenko.- M.: GEOTAR-Media, 2006.- 190s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Gorokhov AV. Osnovy sistemnogo analiza: uchebnoe posobie dlya vuzov. Moskva: Yurayt, 2021.- 140s. In Russian</mixed-citation><mixed-citation xml:lang="en">Gorokhov AV. Osnovy sistemnogo analiza: uchebnoe posobie dlya vuzov. Moskva: Yurayt, 2021.- 140s. In Russian</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Riznichenko GYu, Rubin AB. Matematicheskie metody v biologii i ekologii. Biofizicheskaya dinamika produktsionnykh processov: uchebnik dlya vuzov. V 2 chastyakh. Chast’ 1. 3-e izd. pererab. i dop.- Moskva: Yurayt, 2021.- 210s. In Russian</mixed-citation><mixed-citation xml:lang="en">Riznichenko GYu, Rubin AB. Matematicheskie metody v biologii i ekologii. Biofizicheskaya dinamika produktsionnykh processov: uchebnik dlya vuzov. V 2 chastyakh. Chast’ 1. 3-e izd. pererab. i dop.- Moskva: Yurayt, 2021.- 210s. In Russian</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
