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dc.contributor.authorRiiser, Amund
dc.contributor.authorPettersen, Svein Arne
dc.contributor.authorAndersen, Vidar
dc.contributor.authorSæterbakken, Atle Hole
dc.contributor.authorFrøyd, Christian
dc.contributor.authorYlvisåker, Einar
dc.contributor.authorMoe, Vegard Fusche
dc.date.accessioned2018-08-13T07:41:33Z
dc.date.available2018-08-13T07:41:33Z
dc.date.issued2017-06-20
dc.description.abstract<p><i>Objectives</i>: (1) to examine accelerations and high intensity running (HIR) in football field referees (FR) and assistant referees (AR) during football matches and (2) to evaluate fluctuations in accelerations and HIR between first and second half and in 5-min periods.</p> <p><i>Methods</i>: All movements of the referees were measured using a radio-based tracking system during 41 matches in the Norwegian top and second league during the 2015 and the 2016 seasons. Movements were classified into accelerations (≥2 m · s–2) and HIR (≥19.8 km · h–1).</p> <p><i>Results</i>: AR performed 86% more accelerations than FR (158 (147–169) vs. 85 (76–94), P < 0.001, d = 1.9), and FR performed 171% longer HIR distance than AR (619 (534–703) m vs. 228 (208–248), P < 0.001, d = 2.7). When divided into 5-min periods, the number of accelerations (P < 0.001) and acceleration distance (P < 0.001) were reduced towards the end of both halves in AR. However, in the 5-min subsequent to the most intense 5-min period of the match, both FR and AR performed accelerations and HIR (n and m) equal to the 5-min mean (P > 0.35).</p> <p><i>Conclusions</i>: As the running performance of FR and AR are substantially different, training recommendations for AR should include more accelerations while FR should focus on HIR and endurance training.en_US
dc.descriptionThis is an Accepted Manuscript of an article published by Taylor & Francis in Science and medicine in football on 20 June 2017, available online: <a href=http://www.tandfonline.com/10.1080/24733938.2017.1341640> http://www.tandfonline.com/10.1080/24733938.2017.1341640</a>.en_US
dc.identifier.citationRiiser, A., Pettersen, S.A., Andersen, V., Sæterbakken, A.H., Frøyd, C., Ylvisåker, E. & Moe, V.F. (2017). Accelerations and high intensity running in field and assistant football referees during match play. Science and medicine in football, 1-8. https://doi.org/10.1080/24733938.2017.1341640en_US
dc.identifier.cristinIDFRIDAID 1478214
dc.identifier.doi10.1080/24733938.2017.1341640
dc.identifier.issn2473-3938
dc.identifier.issn2473-4446
dc.identifier.urihttps://hdl.handle.net/10037/13377
dc.language.isoengen_US
dc.publisherTaylor & Francis (Routledge)en_US
dc.relation.journalScience and medicine in football
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Samfunnsvitenskap: 200::Samfunnsvitenskapelige idrettsfag: 330en_US
dc.subjectVDP::Social science: 200::Social science in sports: 330en_US
dc.subjectMatch analysisen_US
dc.subjectintermittent exerciseen_US
dc.subjectfluctuationsen_US
dc.subjectsocceren_US
dc.titleAccelerations and high intensity running in field and assistant football referees during match playen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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