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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="research-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">664089</article-id><article-id pub-id-type="doi">10.31857/S0131164624050083</article-id><article-id pub-id-type="edn">AODIEQ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Method for Determining the Lactate Anaerobic Threshold during the Shuttle Run Test</article-title><trans-title-group xml:lang="ru"><trans-title>Метод определения лактатного анаэробного порога при выполнении челночного бегового теста</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalinin</surname><given-names>E. M.</given-names></name><name xml:lang="ru"><surname>Калинин</surname><given-names>Е. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>emkalinin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuzmichev</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Кузьмичёв</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kuzvas88@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Football Union</institution></aff><aff><institution xml:lang="ru">Российский футбольный союз</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian University of Sports (SCOLIPE)</institution></aff><aff><institution xml:lang="ru">Российский университет спорта “ГЦОЛИФК”</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-11-20" publication-format="electronic"><day>20</day><month>11</month><year>2024</year></pub-date><volume>50</volume><issue>5</issue><fpage>76</fpage><lpage>86</lpage><history><date date-type="received" iso-8601-date="2025-02-25"><day>25</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</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://journals.eco-vector.com/0131-1646/article/view/664089">https://journals.eco-vector.com/0131-1646/article/view/664089</self-uri><abstract xml:lang="en"><p>The aim of the study was to determine the lactate anaerobic threshold (LT<sub>2</sub>) in elite football players during the submaximal multistage shuttle run test. 126 elite football players took part in the study. During the test and the recovery period monitoring of heart rate, running speed and lactate concentration was performed. To assess the level of LT<sub>2</sub> the method of fixed determination of lactate level (La 4 mmol/l) and the Dmod method (LT<sub>2</sub> Dmod) were used. It was found that there is a correlation between heart rate and running speed at the level of La 4 mmol/l and LT<sub>2</sub> Dmod. Players who achieve higher speeds on LT<sub>2</sub> Dmod (m/s) have a lower lactate concentration in the second minute of recovery. Players whose lactate concentration was lower in the second minute of recovery were characterized by a lower heart rate in the first minute of recovery. Players with a higher heart rate in the first minute of recovery have a higher heart rate at the level of LT<sub>2</sub> Dmod. The results of the study confirm the possibility of using submaximal shuttle run tests to determine the anaerobic threshold of athletes.</p></abstract><trans-abstract xml:lang="ru"><p>Целью исследования является определение лактатного анаэробного порога (<italic>LT</italic><sub>2</sub>) футболистов высокой квалификации при выполнении субмаксимального прерывистого интервального челночного теста со ступенчато повышающейся скоростью. В проведенном исследовании приняли участие 126 футболистов высокой квалификации. Во время выполнения теста и в период восстановления выполнялась непрерывная регистрация частоты сердечных сокращений (ЧСС), скорости бега и концентрации лактата. Для оценки <italic>LT</italic><sub>2 </sub>применялся метод фиксированной оценки лактата (<italic>La</italic> 4 ммоль/л) и метод <italic>Dmod</italic> (<italic>LT</italic><sub>2</sub><italic> Dmod</italic>). Было выявлено, что между ЧСС и скоростью бега на уровне <italic>La</italic> 4 ммоль/л и <italic>LT</italic><sub>2 </sub><italic>Dmod</italic> имеется корреляция. Игроки, достигшие более высокой скорости на <italic>LT</italic><sub>2</sub> <italic>Dmod</italic> (м/с), имеют более низкие показатели концентрации лактата на 2-й мин восстановления. Для игроков, у которых концентрация лактата на 2-й мин восстановления была ниже, характерна более низкая величина ЧСС на первой минуте восстановления. У игроков, у которых ЧСС на 1-й мин восстановления выше, отмечается более высокая ЧСС на уровне <italic>LT</italic><sub>2</sub> <italic>Dmod</italic>. Результаты, полученные в ходе проведенного исследования, подтверждают возможность использования непредельных челночных беговых тестов для определения анаэробного порога спортсменов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>football</kwd><kwd>lactate</kwd><kwd>anaerobic threshold</kwd><kwd>performance</kwd><kwd>shuttle run</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>футбол</kwd><kwd>лактат</kwd><kwd>анаэробный порог</kwd><kwd>работоспособность</kwd><kwd>челночный бег</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Palucci Vieira L.H., Carling C., Barbieri F.A. et al. Match running performance in young soccer players: A systematic review // Sports Med. 2019. V. 49. № 2. P. 289.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Garcia-Tabar I., Rampinini E., Gorostiaga E.M. Lactate equivalent for maximal lactate steady state determination in soccer // Res. Q. Exerc. 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