Workload and non-contact injury incidence in elite football players competing in European leagues.

Delecroix, B; McCall, A; Dawson, B; Berthoin, S; Dupont, G

Workload and non-contact injury incidence in elite football players competing in European leagues.

Delecroix, B McCall, A

Dawson, B Berthoin, S Dupont, G

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Publisher:: Informa UK Limited
Publication Type:: Journal Article
Citation:: Eur J Sport Sci, 2018, 18, (9), pp. 1280-1287
Issue Date:: 2018-10

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Field	Value	Language
dc.contributor.author	Delecroix, B
dc.contributor.author	McCall, A https://orcid.org/0000-0003-3780-8153
dc.contributor.author	Dawson, B
dc.contributor.author	Berthoin, S
dc.contributor.author	Dupont, G
dc.date.accessioned	2022-09-11T21:20:12Z
dc.date.available	2022-09-11T21:20:12Z
dc.date.issued	2018-10
dc.identifier.citation	Eur J Sport Sci, 2018, 18, (9), pp. 1280-1287
dc.identifier.issn	1746-1391
dc.identifier.issn	1536-7290
dc.identifier.uri	http://hdl.handle.net/10453/161684
dc.description.abstract	PURPOSE: The aim of this study was to analyse the relationship between absolute and acute:chronic workload ratios and non-contact injury incidence in professional football players and to assess their predictive ability. METHODS: Elite football players (n = 130) from five teams competing in European domestic and confederation level competitions were followed during one full competitive season. Non-contact injuries were recorded and using session rate of perceived exertion (s-RPE) internal absolute workload and acute:chronic (A:C) workload ratios (4-weeks, 3-weeks, 2-weeks and week-to-week) were calculated using a rolling days method. RESULTS: The relative risk (RR) of non-contact injury was increased (RR = 1.59, CI95%: 1.18-2.15) when a cumulative 4-week absolute workload was greater than 10629 arbitrary units (AU) in comparison with a workload between 3745 and 10628 AU. When the 3-week absolute workload was more than 8319 AU versus between 2822 and 8318 AU injury risk was also increased (RR= 1.46, CI95% 1.08-1.98). Injury incidence was higher when the 4-week A:C ratio was <0.85 versus >0.85 (RR = 1.31, CI95%: 1.02-1.70) and with a 3-week A:C ratio >1.30 versus <1.30 (RR = 1.37, CI95%: 1.05-1.77). Importantly, none of the A:C workload combinations showed high sensitivity or specificity. CONCLUSIONS: In elite European footballers, using internal workload (sRPE) revealed that cumulative workloads over 3 and 4 weeks were associated with injury incidence. Additionally, A:C workloads, using combinations of 2, 3 and 4 weeks as the C workloads were also associated with increased injury risk. No A:C workload combination was appropriate to predict injury.
dc.format	Print-Electronic
dc.language	eng
dc.publisher	Informa UK Limited
dc.relation.ispartof	Eur J Sport Sci
dc.relation.isbasedon	10.1080/17461391.2018.1477994
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0913 Mechanical Engineering, 1106 Human Movement and Sports Sciences
dc.subject.classification	Sport Sciences
dc.subject.mesh	Athletes
dc.subject.mesh	Athletic Injuries
dc.subject.mesh	Humans
dc.subject.mesh	Incidence
dc.subject.mesh	Predictive Value of Tests
dc.subject.mesh	Soccer
dc.subject.mesh	Workload
dc.subject.mesh	Humans
dc.subject.mesh	Athletic Injuries
dc.subject.mesh	Incidence
dc.subject.mesh	Predictive Value of Tests
dc.subject.mesh	Soccer
dc.subject.mesh	Workload
dc.subject.mesh	Athletes
dc.title	Workload and non-contact injury incidence in elite football players competing in European leagues.
dc.type	Journal Article
utslib.citation.volume	18
utslib.location.activity	England
utslib.for	0913 Mechanical Engineering
utslib.for	1106 Human Movement and Sports Sciences
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Health
utslib.copyright.status	closed_access	*
dc.date.updated	2022-09-11T21:20:11Z
pubs.issue	9
pubs.publication-status	Published
pubs.volume	18
utslib.citation.issue	9

Abstract:

PURPOSE: The aim of this study was to analyse the relationship between absolute and acute:chronic workload ratios and non-contact injury incidence in professional football players and to assess their predictive ability. METHODS: Elite football players (n = 130) from five teams competing in European domestic and confederation level competitions were followed during one full competitive season. Non-contact injuries were recorded and using session rate of perceived exertion (s-RPE) internal absolute workload and acute:chronic (A:C) workload ratios (4-weeks, 3-weeks, 2-weeks and week-to-week) were calculated using a rolling days method. RESULTS: The relative risk (RR) of non-contact injury was increased (RR = 1.59, CI95%: 1.18-2.15) when a cumulative 4-week absolute workload was greater than 10629 arbitrary units (AU) in comparison with a workload between 3745 and 10628 AU. When the 3-week absolute workload was more than 8319 AU versus between 2822 and 8318 AU injury risk was also increased (RR= 1.46, CI95% 1.08-1.98). Injury incidence was higher when the 4-week A:C ratio was <0.85 versus >0.85 (RR = 1.31, CI95%: 1.02-1.70) and with a 3-week A:C ratio >1.30 versus <1.30 (RR = 1.37, CI95%: 1.05-1.77). Importantly, none of the A:C workload combinations showed high sensitivity or specificity. CONCLUSIONS: In elite European footballers, using internal workload (sRPE) revealed that cumulative workloads over 3 and 4 weeks were associated with injury incidence. Additionally, A:C workloads, using combinations of 2, 3 and 4 weeks as the C workloads were also associated with increased injury risk. No A:C workload combination was appropriate to predict injury.

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http://hdl.handle.net/10453/161684