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Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents

Melitta McNarry Orcid Logo, Charles Winn, Gwyneth Davies Orcid Logo, William Eddolls, Kelly Mackintosh Orcid Logo

Medicine & Science in Sports & Exercise, Volume: 52, Issue: 6, Pages: 1322 - 1329

Swansea University Authors: Melitta McNarry Orcid Logo, Charles Winn, Gwyneth Davies Orcid Logo, William Eddolls, Kelly Mackintosh Orcid Logo

Abstract

Purpose High-intensity interval training (HIIT) represents a potent stimulus to the dynamic oxygen uptake (V[Combining Dot Above]O2) response in adults but whether the same is evident in youth is unknown. HIIT has also been suggested to place a lower demand on the respiratory system, decreasing the...

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Published in: Medicine & Science in Sports & Exercise
ISSN: 0195-9131
Published: 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa53141
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HIIT has also been suggested to place a lower demand on the respiratory system, decreasing the likelihood of exacerbation in those with respiratory conditions, such as asthma.Methods Sixty-nine adolescents (13.6&#xB1;0.9 years; 36 asthma) took part, 35 of which (17 asthma) participated in a 30-minute HIIT intervention three-times/week for six months. Each participant completed an incremental ramp test to volitional exhaustion and three heavy-intensity constant work-rate tests to determine the dynamic oxygen uptake (V[Combining Dot Above]O2), heart rate (HR) and deoxyhaemoglobin ([HHb]) response at baseline, mid-intervention, post-intervention and at a three-month follow-up.Results There was no influence of asthma at baseline or in response to the intervention. Participants in the intervention group demonstrated a faster V[Combining Dot Above]O2 time constant (&#x3C4;p) post-intervention (intervention: 29.2&#xB1;5.7 vs. control: 34.2&#xB1;6.5 s; P=0.003), with these differences maintained at follow-up (intervention: 32.5&#xB1;5.5 vs. control: 37.3&#xB1;8.7 s; P=0.008). The intervention was associated with a speeding of the [HHb] &#x3C4; (Pre: 20.1&#xB1;4.7 vs. Post: 18.2&#xB1;4.1 s; P=0.05), compared to a slowing over the same time period in the control participants (Pre: 17.9&#xB1;4.9 vs. Post: 20.1&#xB1;4.6 s; P=0.012). HR kinetics were not altered (Pre: 46.5&#xB1;12.2 vs. Post: 47.7&#xB1;11.1 s; P=0.98).Conclusion These findings highlight the potential utility of school-based HIIT as a strategy to enhance the V[Combining Dot Above]O2 kinetics of youth, regardless of the presence of asthma.</abstract><type>Journal Article</type><journal>Medicine &amp; Science in Sports &amp; Exercise</journal><volume>52</volume><journalNumber>6</journalNumber><paginationStart>1322</paginationStart><paginationEnd>1329</paginationEnd><publisher/><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0195-9131</issnPrint><issnElectronic/><keywords/><publishedDay>16</publishedDay><publishedMonth>1</publishedMonth><publishedYear>2020</publishedYear><publishedDate>2020-01-16</publishedDate><doi>10.1249/mss.0000000000002270</doi><url/><notes/><college>COLLEGE NANME</college><department>Sport and Exercise Sciences</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>STSC</DepartmentCode><institution>Swansea University</institution><apcterm/><lastEdited>2021-01-14T13:44:50.8360502</lastEdited><Created>2020-01-07T15:37:54.9561771</Created><path><level id="1">College of Engineering</level><level id="2">Sports Science</level></path><authors><author><firstname>Melitta</firstname><surname>McNarry</surname><orcid>0000-0003-0813-7477</orcid><order>1</order></author><author><firstname>Charles</firstname><surname>Winn</surname><order>2</order></author><author><firstname>Gwyneth</firstname><surname>Davies</surname><orcid>0000-0003-1218-1008</orcid><order>3</order></author><author><firstname>William</firstname><surname>Eddolls</surname><orcid/><order>4</order></author><author><firstname>Kelly</firstname><surname>Mackintosh</surname><orcid>0000-0003-0355-6357</orcid><order>5</order></author></authors><documents><document><filename>53141__16226__e994b7e69a4a4f2bbd36d8fedc1cb28a.pdf</filename><originalFilename>mcnarry2020.pdf</originalFilename><uploaded>2020-01-07T15:38:57.5420647</uploaded><type>Output</type><contentLength>645027</contentLength><contentType>application/pdf</contentType><version>Accepted Manuscript</version><cronfaStatus>true</cronfaStatus><embargoDate>2021-01-16T00:00:00.0000000</embargoDate><copyrightCorrect>true</copyrightCorrect><language>eng</language></document></documents><OutputDurs/></rfc1807>
spelling 2021-01-14T13:44:50.8360502 v2 53141 2020-01-07 Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents 062f5697ff59f004bc8c713955988398 0000-0003-0813-7477 Melitta McNarry Melitta McNarry true false c06badc5ccb752878ad3bdd04a7d9a1c Charles Winn Charles Winn true false 92d69cf8519a334ced3f55142c811d95 0000-0003-1218-1008 Gwyneth Davies Gwyneth Davies true false 417a327e5afb7838f7a462e69a86207d William Eddolls William Eddolls true false bdb20e3f31bcccf95c7bc116070c4214 0000-0003-0355-6357 Kelly Mackintosh Kelly Mackintosh true false 2020-01-07 STSC Purpose High-intensity interval training (HIIT) represents a potent stimulus to the dynamic oxygen uptake (V[Combining Dot Above]O2) response in adults but whether the same is evident in youth is unknown. HIIT has also been suggested to place a lower demand on the respiratory system, decreasing the likelihood of exacerbation in those with respiratory conditions, such as asthma.Methods Sixty-nine adolescents (13.6±0.9 years; 36 asthma) took part, 35 of which (17 asthma) participated in a 30-minute HIIT intervention three-times/week for six months. Each participant completed an incremental ramp test to volitional exhaustion and three heavy-intensity constant work-rate tests to determine the dynamic oxygen uptake (V[Combining Dot Above]O2), heart rate (HR) and deoxyhaemoglobin ([HHb]) response at baseline, mid-intervention, post-intervention and at a three-month follow-up.Results There was no influence of asthma at baseline or in response to the intervention. Participants in the intervention group demonstrated a faster V[Combining Dot Above]O2 time constant (τp) post-intervention (intervention: 29.2±5.7 vs. control: 34.2±6.5 s; P=0.003), with these differences maintained at follow-up (intervention: 32.5±5.5 vs. control: 37.3±8.7 s; P=0.008). The intervention was associated with a speeding of the [HHb] τ (Pre: 20.1±4.7 vs. Post: 18.2±4.1 s; P=0.05), compared to a slowing over the same time period in the control participants (Pre: 17.9±4.9 vs. Post: 20.1±4.6 s; P=0.012). HR kinetics were not altered (Pre: 46.5±12.2 vs. Post: 47.7±11.1 s; P=0.98).Conclusion These findings highlight the potential utility of school-based HIIT as a strategy to enhance the V[Combining Dot Above]O2 kinetics of youth, regardless of the presence of asthma. Journal Article Medicine & Science in Sports & Exercise 52 6 1322 1329 0195-9131 16 1 2020 2020-01-16 10.1249/mss.0000000000002270 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2021-01-14T13:44:50.8360502 2020-01-07T15:37:54.9561771 College of Engineering Sports Science Melitta McNarry 0000-0003-0813-7477 1 Charles Winn 2 Gwyneth Davies 0000-0003-1218-1008 3 William Eddolls 4 Kelly Mackintosh 0000-0003-0355-6357 5 53141__16226__e994b7e69a4a4f2bbd36d8fedc1cb28a.pdf mcnarry2020.pdf 2020-01-07T15:38:57.5420647 Output 645027 application/pdf Accepted Manuscript true 2021-01-16T00:00:00.0000000 true eng
title Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
spellingShingle Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
Melitta McNarry
Charles Winn
Gwyneth Davies
William Eddolls
Kelly Mackintosh
title_short Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
title_full Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
title_fullStr Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
title_full_unstemmed Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
title_sort Effect of High-Intensity Training and Asthma on the VO2 Kinetics of Adolescents
author_id_str_mv 062f5697ff59f004bc8c713955988398
c06badc5ccb752878ad3bdd04a7d9a1c
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bdb20e3f31bcccf95c7bc116070c4214
author_id_fullname_str_mv 062f5697ff59f004bc8c713955988398_***_Melitta McNarry
c06badc5ccb752878ad3bdd04a7d9a1c_***_Charles Winn
92d69cf8519a334ced3f55142c811d95_***_Gwyneth Davies
417a327e5afb7838f7a462e69a86207d_***_William Eddolls
bdb20e3f31bcccf95c7bc116070c4214_***_Kelly Mackintosh
author Melitta McNarry
Charles Winn
Gwyneth Davies
William Eddolls
Kelly Mackintosh
author2 Melitta McNarry
Charles Winn
Gwyneth Davies
William Eddolls
Kelly Mackintosh
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container_title Medicine & Science in Sports & Exercise
container_volume 52
container_issue 6
container_start_page 1322
publishDate 2020
institution Swansea University
issn 0195-9131
doi_str_mv 10.1249/mss.0000000000002270
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Sports Science{{{_:::_}}}College of Engineering{{{_:::_}}}Sports Science
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description Purpose High-intensity interval training (HIIT) represents a potent stimulus to the dynamic oxygen uptake (V[Combining Dot Above]O2) response in adults but whether the same is evident in youth is unknown. HIIT has also been suggested to place a lower demand on the respiratory system, decreasing the likelihood of exacerbation in those with respiratory conditions, such as asthma.Methods Sixty-nine adolescents (13.6±0.9 years; 36 asthma) took part, 35 of which (17 asthma) participated in a 30-minute HIIT intervention three-times/week for six months. Each participant completed an incremental ramp test to volitional exhaustion and three heavy-intensity constant work-rate tests to determine the dynamic oxygen uptake (V[Combining Dot Above]O2), heart rate (HR) and deoxyhaemoglobin ([HHb]) response at baseline, mid-intervention, post-intervention and at a three-month follow-up.Results There was no influence of asthma at baseline or in response to the intervention. Participants in the intervention group demonstrated a faster V[Combining Dot Above]O2 time constant (τp) post-intervention (intervention: 29.2±5.7 vs. control: 34.2±6.5 s; P=0.003), with these differences maintained at follow-up (intervention: 32.5±5.5 vs. control: 37.3±8.7 s; P=0.008). The intervention was associated with a speeding of the [HHb] τ (Pre: 20.1±4.7 vs. Post: 18.2±4.1 s; P=0.05), compared to a slowing over the same time period in the control participants (Pre: 17.9±4.9 vs. Post: 20.1±4.6 s; P=0.012). HR kinetics were not altered (Pre: 46.5±12.2 vs. Post: 47.7±11.1 s; P=0.98).Conclusion These findings highlight the potential utility of school-based HIIT as a strategy to enhance the V[Combining Dot Above]O2 kinetics of youth, regardless of the presence of asthma.
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