{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T22:46:03Z","timestamp":1790376363533,"version":"4.1.0"},"reference-count":32,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2012,5,15]],"date-time":"2012-05-15T00:00:00Z","timestamp":1337040000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2014,2]]},"abstract":"<jats:p>The aim of this study was to monitor injury incidence and pattern in <jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>orwegian male professional football over six consecutive seasons and compare the risk of injury between the preseason and competitive season. All time loss injuries were recorded by the medical staff of each club. In total, 2365 injuries were recorded. The incidence of acute injuries was 15.9\/1000 match hours [95% confidence interval (<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>): 14.9\u201316.8], 1.9\/1000 training hours (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 1.7\u20132.0), and 1.4 (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 1.3\u20131.5) overuse injuries\/1000\u2009h. A linear regression model found an annual increase of 1.06 acute match injuries\/1000\u2009h (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 0.40\u20131.73), corresponding to a total increase of 49% during the 6\u2010year study period. When accounting for interteam variation and clustering effects using a general estimating equation model, the increase in injury incidence was 0.92 (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: \u22120.11\u20131.95, <jats:italic><jats:styled-content style=\"fixed-case\">P<\/jats:styled-content><\/jats:italic>\u2009=\u20090.083). No difference in the risk of acute match injuries (rate ratio (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>): 0.86, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 0.73\u20131.01), acute training injuries (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>: 1.16, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 0.99\u20131.36), or overuse injuries (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>: 1.04, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 0.89\u20131.21) was observed between the preseason and competitive season. In conclusion, the overall risk of acute match injuries in Norwegian male professional football increased by 49% during the study period, although this increase was not fully consistent across teams. We detected no change in the risk of training and overuse injuries or any difference between the preseason and competitive season.<\/jats:p>","DOI":"10.1111\/j.1600-0838.2012.01476.x","type":"journal-article","created":{"date-parts":[[2012,5,15]],"date-time":"2012-05-15T04:37:13Z","timestamp":1337056633000},"page":"189-196","source":"Crossref","is-referenced-by-count":53,"title":["Gradual increase in the risk of match injury in <scp>N<\/scp>orwegian male professional football: A 6\u2010year prospective study"],"prefix":"10.1111","volume":"24","author":[{"given":"J.","family":"Bj\u00f8rneboe","sequence":"first","affiliation":[{"name":"Oslo Sports Trauma Research Center Department of Sports Medicine Norwegian School of Sport Sciences  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Bahr","sequence":"additional","affiliation":[{"name":"Oslo Sports Trauma Research Center Department of Sports Medicine Norwegian School of Sport Sciences  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T. 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