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Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences

Samuel P. Hills, Stephen Barrett, Bradley Thoseby, Liam P. Kilduff, Martin J. Barwood, Jon N. Radcliffe, Carlton B. Cooke, Mark Russell, Liam Kilduff Orcid Logo

Research Quarterly for Exercise and Sport, Pages: 1 - 12

Swansea University Author: Liam Kilduff Orcid Logo

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DOI (Published version): 10.1080/02701367.2020.1823308

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Purpose: To quantify the peak post-pitch-entry physical responses of soccer substitutes while assessing contextual influences. Peak responses may be important performance indicators for substitutes introduced to provide a physical impact. Method: Thirty-three professional substitutes wore Microelect...

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Published in: Research Quarterly for Exercise and Sport
ISSN: 0270-1367 2168-3824
Published: Informa UK Limited
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URI: https://cronfa.swan.ac.uk/Record/cronfa55153
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fullrecord <?xml version="1.0"?><rfc1807><datestamp>2020-10-30T14:45:19.1174819</datestamp><bib-version>v2</bib-version><id>55153</id><entry>2020-09-10</entry><title>Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences</title><swanseaauthors><author><sid>972ed9a1dda7a0de20581a0f8350be98</sid><ORCID>0000-0001-9449-2293</ORCID><firstname>Liam</firstname><surname>Kilduff</surname><name>Liam Kilduff</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2020-09-10</date><deptcode>STSC</deptcode><abstract>Purpose: To quantify the peak post-pitch-entry physical responses of soccer substitutes while assessing contextual influences. Peak responses may be important performance indicators for substitutes introduced to provide a physical impact. Method: Thirty-three professional substitutes wore Microelectromechanical Systems during 44 matches (4 &#xB1; 3 observations&#xB7;player&#x2212;1). Post-pitch-entry relative peak values for total and high-speed (&gt; 5.5 m&#xB7;s&#x2212;1) distances, average acceleration, and PlayerLoad&#x2122; were calculated using rolling averages over 60-s to 600-s. Linear mixed models assessed contextual influences (position, substitution timing, scoreline, and location). Results: Substitutes introduced during the final ~15 min of match-play covered less high-speed distance than first-half substitutes (~2.8&#x2013;3.1 m&#xB7;min&#x2212;1) over 480-s to 600-s epochs, and less than 60:00&#x2013;74:59 min substitutes (~1.7&#x2013;1.8 m&#xB7;min&#x2212;1) during 540-s and 600-s epochs. Average acceleration during all except 180-s epochs was lower for 75:00+ min substitutes compared with first-half replacements (~0.27&#x2013;0.43 m&#xB7;s&#x2212;2), and lower than 60:00&#x2013;74:59 min substitutes during 60-s (~0.13 m&#xB7;s&#x2212;2). Substitutes introduced when their team was winning recorded greater distances over 120-s to 600-s (~6.2&#x2013;7.7 m&#xB7;min&#x2212;1), and higher PlayerLoad&#x2122; values during 120-s, 180-s, 300-s, and 480-s epochs (~2.7&#x2013;3.6 arbitrary units&#xB7;min&#x2212;1), compared with when scores were level at pitch-entry. Irrespective of substitution timing, substitute midfielders exceeded the total distance of substitute attackers (~5.9&#x2013;16.2 m&#xB7;min&#x2212;1) for all except 360-s and 600-s epochs, and defenders (~13.3&#x2013;26.7 m&#xB7;min&#x2212;1) during epochs &lt; 300-s. Conclusions: This study provides benchmark data for practitioners tailoring training and recovery protocols, particularly &#x201C;top-up&#x201D; conditioning, to the competitive demands of soccer substitutes. Knowing how contextual factors influence substitutes&#x2019; peak match-play responses may help managers/coaches assess the efficacy of substitution strategies.</abstract><type>Journal Article</type><journal>Research Quarterly for Exercise and Sport</journal><volume/><journalNumber/><paginationStart>1</paginationStart><paginationEnd>12</paginationEnd><publisher>Informa UK Limited</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0270-1367</issnPrint><issnElectronic>2168-3824</issnElectronic><keywords>Fatigue; football; monitoring, substitution</keywords><publishedDay>0</publishedDay><publishedMonth>0</publishedMonth><publishedYear>0</publishedYear><publishedDate>0001-01-01</publishedDate><doi>10.1080/02701367.2020.1823308</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>2020-10-30T14:45:19.1174819</lastEdited><Created>2020-09-10T08:39:46.1367199</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences</level></path><authors><author><firstname>Samuel P.</firstname><surname>Hills</surname><order>1</order></author><author><firstname>Stephen</firstname><surname>Barrett</surname><order>2</order></author><author><firstname>Bradley</firstname><surname>Thoseby</surname><order>3</order></author><author><firstname>Liam P.</firstname><surname>Kilduff</surname><order>4</order></author><author><firstname>Martin J.</firstname><surname>Barwood</surname><order>5</order></author><author><firstname>Jon N.</firstname><surname>Radcliffe</surname><order>6</order></author><author><firstname>Carlton B.</firstname><surname>Cooke</surname><order>7</order></author><author><firstname>Mark</firstname><surname>Russell</surname><order>8</order></author><author><firstname>Liam</firstname><surname>Kilduff</surname><orcid>0000-0001-9449-2293</orcid><order>9</order></author></authors><documents><document><filename>55153__18134__71b3999f7f4b421f824e04b3d1d30f63.pdf</filename><originalFilename>55153.pdf</originalFilename><uploaded>2020-09-10T08:44:20.0416038</uploaded><type>Output</type><contentLength>1105211</contentLength><contentType>application/pdf</contentType><version>Accepted Manuscript</version><cronfaStatus>true</cronfaStatus><embargoDate>2021-10-08T00:00:00.0000000</embargoDate><copyrightCorrect>true</copyrightCorrect><language>eng</language></document></documents><OutputDurs/></rfc1807>
spelling 2020-10-30T14:45:19.1174819 v2 55153 2020-09-10 Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences 972ed9a1dda7a0de20581a0f8350be98 0000-0001-9449-2293 Liam Kilduff Liam Kilduff true false 2020-09-10 STSC Purpose: To quantify the peak post-pitch-entry physical responses of soccer substitutes while assessing contextual influences. Peak responses may be important performance indicators for substitutes introduced to provide a physical impact. Method: Thirty-three professional substitutes wore Microelectromechanical Systems during 44 matches (4 ± 3 observations·player−1). Post-pitch-entry relative peak values for total and high-speed (> 5.5 m·s−1) distances, average acceleration, and PlayerLoad™ were calculated using rolling averages over 60-s to 600-s. Linear mixed models assessed contextual influences (position, substitution timing, scoreline, and location). Results: Substitutes introduced during the final ~15 min of match-play covered less high-speed distance than first-half substitutes (~2.8–3.1 m·min−1) over 480-s to 600-s epochs, and less than 60:00–74:59 min substitutes (~1.7–1.8 m·min−1) during 540-s and 600-s epochs. Average acceleration during all except 180-s epochs was lower for 75:00+ min substitutes compared with first-half replacements (~0.27–0.43 m·s−2), and lower than 60:00–74:59 min substitutes during 60-s (~0.13 m·s−2). Substitutes introduced when their team was winning recorded greater distances over 120-s to 600-s (~6.2–7.7 m·min−1), and higher PlayerLoad™ values during 120-s, 180-s, 300-s, and 480-s epochs (~2.7–3.6 arbitrary units·min−1), compared with when scores were level at pitch-entry. Irrespective of substitution timing, substitute midfielders exceeded the total distance of substitute attackers (~5.9–16.2 m·min−1) for all except 360-s and 600-s epochs, and defenders (~13.3–26.7 m·min−1) during epochs < 300-s. Conclusions: This study provides benchmark data for practitioners tailoring training and recovery protocols, particularly “top-up” conditioning, to the competitive demands of soccer substitutes. Knowing how contextual factors influence substitutes’ peak match-play responses may help managers/coaches assess the efficacy of substitution strategies. Journal Article Research Quarterly for Exercise and Sport 1 12 Informa UK Limited 0270-1367 2168-3824 Fatigue; football; monitoring, substitution 0 0 0 0001-01-01 10.1080/02701367.2020.1823308 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2020-10-30T14:45:19.1174819 2020-09-10T08:39:46.1367199 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences Samuel P. Hills 1 Stephen Barrett 2 Bradley Thoseby 3 Liam P. Kilduff 4 Martin J. Barwood 5 Jon N. Radcliffe 6 Carlton B. Cooke 7 Mark Russell 8 Liam Kilduff 0000-0001-9449-2293 9 55153__18134__71b3999f7f4b421f824e04b3d1d30f63.pdf 55153.pdf 2020-09-10T08:44:20.0416038 Output 1105211 application/pdf Accepted Manuscript true 2021-10-08T00:00:00.0000000 true eng
title Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
spellingShingle Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
Liam Kilduff
title_short Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
title_full Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
title_fullStr Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
title_full_unstemmed Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
title_sort Quantifying the Peak Physical Match-Play Demands of Professional Soccer Substitutes Following Pitch-Entry: Assessing Contextual Influences
author_id_str_mv 972ed9a1dda7a0de20581a0f8350be98
author_id_fullname_str_mv 972ed9a1dda7a0de20581a0f8350be98_***_Liam Kilduff
author Liam Kilduff
author2 Samuel P. Hills
Stephen Barrett
Bradley Thoseby
Liam P. Kilduff
Martin J. Barwood
Jon N. Radcliffe
Carlton B. Cooke
Mark Russell
Liam Kilduff
format Journal article
container_title Research Quarterly for Exercise and Sport
container_start_page 1
institution Swansea University
issn 0270-1367
2168-3824
doi_str_mv 10.1080/02701367.2020.1823308
publisher Informa UK Limited
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences
document_store_str 1
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description Purpose: To quantify the peak post-pitch-entry physical responses of soccer substitutes while assessing contextual influences. Peak responses may be important performance indicators for substitutes introduced to provide a physical impact. Method: Thirty-three professional substitutes wore Microelectromechanical Systems during 44 matches (4 ± 3 observations·player−1). Post-pitch-entry relative peak values for total and high-speed (> 5.5 m·s−1) distances, average acceleration, and PlayerLoad™ were calculated using rolling averages over 60-s to 600-s. Linear mixed models assessed contextual influences (position, substitution timing, scoreline, and location). Results: Substitutes introduced during the final ~15 min of match-play covered less high-speed distance than first-half substitutes (~2.8–3.1 m·min−1) over 480-s to 600-s epochs, and less than 60:00–74:59 min substitutes (~1.7–1.8 m·min−1) during 540-s and 600-s epochs. Average acceleration during all except 180-s epochs was lower for 75:00+ min substitutes compared with first-half replacements (~0.27–0.43 m·s−2), and lower than 60:00–74:59 min substitutes during 60-s (~0.13 m·s−2). Substitutes introduced when their team was winning recorded greater distances over 120-s to 600-s (~6.2–7.7 m·min−1), and higher PlayerLoad™ values during 120-s, 180-s, 300-s, and 480-s epochs (~2.7–3.6 arbitrary units·min−1), compared with when scores were level at pitch-entry. Irrespective of substitution timing, substitute midfielders exceeded the total distance of substitute attackers (~5.9–16.2 m·min−1) for all except 360-s and 600-s epochs, and defenders (~13.3–26.7 m·min−1) during epochs < 300-s. Conclusions: This study provides benchmark data for practitioners tailoring training and recovery protocols, particularly “top-up” conditioning, to the competitive demands of soccer substitutes. Knowing how contextual factors influence substitutes’ peak match-play responses may help managers/coaches assess the efficacy of substitution strategies.
published_date 0001-01-01T04:09:10Z
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