{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,13]],"date-time":"2025-11-13T12:41:50Z","timestamp":1763037710644,"version":"build-2065373602"},"reference-count":66,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2022,1,13]],"date-time":"2022-01-13T00:00:00Z","timestamp":1642032000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/00447\/2020","UID\/CED\/04748\/2020"],"award-info":[{"award-number":["UIDB\/00447\/2020","UID\/CED\/04748\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>The present study sought to investigate if faster upper body oxygen uptake (VO2) and hemoglobin\/myoglobin deoxygenation ([HHb]) kinetics during heavy intensity exercise were associated with a greater upper body repeated-sprint ability (RSA) performance in a group of judokas and in a group of individuals of heterogenous fitness level. Eight judokas (JT) and seven untrained healthy participants (UT) completed an incremental step test, two heavy intensity square-wave transitions and an upper body RSA test consisting of four 15 s sprints, with 45 s rest, from which the experimental data were obtained. In the JT group, VO2 kinetics, [HHb] kinetics and the parameters determined in the incremental test were not associated with RSA. However, when the two groups were combined, the amplitude of the primary phase VO2 and [HHb] were positively associated with the accumulated work in the four sprints (\u03a3Work). Additionally, maximal aerobic power (MAP), peak VO2 and the first ventilatory threshold (VT1) showed a positive correlation with \u03a3Work and an inverse correlation with the decrease in peak power output (Dec-PPO) between the first and fourth sprints. Faster VO2 and [HHb] kinetics do not seem to be associated with an increased upper body RSA in JT. However, other variables of aerobic fitness seem to be associated with an increased upper body RSA performance in a group of individuals with heterogeneous fitness level.<\/jats:p>","DOI":"10.3390\/ijerph19020861","type":"journal-article","created":{"date-parts":[[2022,1,13]],"date-time":"2022-01-13T10:57:37Z","timestamp":1642071457000},"page":"861","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["The Relationship between VO2 and Muscle Deoxygenation Kinetics and Upper Body Repeated Sprint Performance in Trained Judokas and Healthy Individuals"],"prefix":"10.3390","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6848-9867","authenticated-orcid":false,"given":"Andr\u00e9","family":"Antunes","sequence":"first","affiliation":[{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5855-1372","authenticated-orcid":false,"given":"Christophe","family":"Domingos","sequence":"additional","affiliation":[{"name":"Life Quality Research Centre, 2040-413 Rio Maior, Portugal"}]},{"given":"Lu\u00edsa","family":"Diniz","sequence":"additional","affiliation":[{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2036-7988","authenticated-orcid":false,"given":"Cristina P.","family":"Monteiro","sequence":"additional","affiliation":[{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"},{"name":"Interdisciplinary Centre for Human Performance Research (CIPER), Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4524-4784","authenticated-orcid":false,"given":"M\u00e1rio C.","family":"Espada","sequence":"additional","affiliation":[{"name":"Life Quality Research Centre, 2040-413 Rio Maior, Portugal"},{"name":"Polytechnic Institute of Set\u00fabal, School of Education, 2914-514 Set\u00fabal, Portugal"}]},{"given":"Francisco B.","family":"Alves","sequence":"additional","affiliation":[{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"},{"name":"Interdisciplinary Centre for Human Performance Research (CIPER), Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2906-3665","authenticated-orcid":false,"given":"Joana F.","family":"Reis","sequence":"additional","affiliation":[{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"},{"name":"Interdisciplinary Centre for Human Performance Research (CIPER), Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, 1495-761 Lisboa, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"624","DOI":"10.1080\/24748668.2013.11868676","article-title":"Judo combat: Time-motion analysis and physiology","volume":"13","author":"Franchini","year":"2013","journal-title":"Int. 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