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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Human Physiology</journal-id><journal-title-group><journal-title xml:lang="en">Human Physiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Физиология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0131-1646</issn><issn publication-format="electronic">3034-6150</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">685315</article-id><article-id pub-id-type="doi">10.31857/S0131164625010114</article-id><article-id pub-id-type="edn">VLWXXN</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ОБЗОРЫ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Application of ultrasound to assess body composition and physiological changes in skeletal muscles</article-title><trans-title-group xml:lang="ru"><trans-title>Применение ультразвука для оценки состава тела и физиологических изменений скелетных мышц</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bondareva</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Бондарева</surname><given-names>Э. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Bondareva.E@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Generozov</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Генерозов</surname><given-names>Э. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Bondareva.E@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Arutyunyan</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Арутюнян</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Bondareva.E@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bevzyuk</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Бевзюк</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Bondareva.E@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Popova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Попова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Bondareva.E@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Parfentieva</surname><given-names>O. I.</given-names></name><name xml:lang="ru"><surname>Парфентьева</surname><given-names>О. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Bondareva.E@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lopukhin FRCC of Physical-Chemical Medicine of FMBA</institution></aff><aff><institution xml:lang="ru">ФГБУ Федеральный научно-клинический центр физико-химической медицины имени академика Ю.М. Лопухина ФМБА</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет имени Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Gorno-Altaisk State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО Горно-Алтайский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><volume>51</volume><issue>1</issue><fpage>123</fpage><lpage>136</lpage><history><date date-type="received" iso-8601-date="2025-06-19"><day>19</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0131-1646/article/view/685315">https://transsyst.ru/0131-1646/article/view/685315</self-uri><abstract xml:lang="en"><p>Ultrasound (US) is widely used in medicine; however, the capabilities of this method go far beyond clinical diagnostics. Over the past half century, the West has been actively developing the direction of using ultrasound to assess body composition, muscle changes under physical activity, assess muscle composition by fiber type, and analyze changes in fat and muscle components of body composition over time. Compaction of sizes, technological evolution of the transmitter, new algorithms for recording and processing the reflected signal contributed to the creation of ultra-light, high-power ultrasound scanners with high resolution, which are synchronized with the smartphone of an ultrasound diagnostic specialist. Among specialists in the field of sports and muscle activity, cheaper ultrasound devices are also becoming widespread, which allow measurements in A- and B-modes in healthy people. This review presents modern areas of ultrasound use outside the field of medical diagnostics and the application of this method in sports physiology and anthropology, as well as the limitations of the method and prospects for its development.</p></abstract><trans-abstract xml:lang="ru"><p>Ультразвук (УЗ) широко используется в медицине, однако возможности данного метода выходят широко за пределы клинической диагностики. Последние полвека на Западе активно развивается направление использования УЗ для оценки состава тела, изменений мышц под действием физической нагрузки, оценки состава мышцы по типу волокон, а также анализа изменений жирового и мышечного компонентов состава тела в динамике. Компактизация размеров, технологическая эволюция передатчика, новые алгоритмы фиксации и обработки отраженного сигнала способствовали созданию ультралегких, высокомощных УЗ-сканеров с высокой разрешающей способностью, которые синхронизируются со смартфоном специалиста ультразвуковой диагностики. Среди специалистов в области спорта и мышечной деятельности распространение получают и более дешевые УЗ-аппараты, которые позволяют проводить измерения в <italic>А</italic>- и <italic>В</italic>-режимах у здоровых людей. В данном обзоре представлены современные направления использования ультразвука вне сферы медицинской диагностики и приложения данного метода в спортивной физиологии и антропологии, а также ограничения метода и перспективы его развития.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ultrasound examination</kwd><kwd>A-mode ultrasound</kwd><kwd>B-mode ultrasound</kwd><kwd>skeletal muscles</kwd><kwd>muscle quality</kwd><kwd>body composition</kwd><kwd>subcutaneous fat</kwd><kwd>visceral fat</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ультразвуковое исследование</kwd><kwd>А-режим УЗИ</kwd><kwd>В-режим УЗИ</kwd><kwd>скелетные мышцы</kwd><kwd>качество мышц</kwd><kwd>состав тела</kwd><kwd>подкожный жир</kwd><kwd>висцеральный жир</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>22-75-10122</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Drapkina O.M., Angarsky R.K., Rogozhkina E.A. et al. 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