{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T18:35:12Z","timestamp":1793298912938,"version":"4.5.0"},"reference-count":38,"publisher":"BMJ","issue":"9","funder":[{"name":"Union of European Football Associations"},{"DOI":"10.13039\/501100005350","name":"Centrum for Idrottsforskning","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005350","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Br J Sports Med"],"accepted":{"date-parts":[[2018,3,30]]},"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Hip and groin injuries are common in men\u2019s professional football, but the time-trend of these injuries is not known.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To investigate hip and groin injury rates, especially time-trends, in men\u2019s professional football over 15 consecutive seasons.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study design<\/jats:title>\n                    <jats:p>Prospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Men\u2019s professional football.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      47 European teams were followed prospectively for a varying number of seasons between 2001\/2002 and 2015\/2016, totalling 268 team seasons. Time-loss injuries and individual player exposure during training and matches were recorded. Injury rate was defined as the number of\n                      <jats:italic>injuries<\/jats:italic>\n                      \/1000\u2009hours and injury burden as the number of\n                      <jats:italic>lay-off days<\/jats:italic>\n                      \/1000\u2009hours. Time-trends for total hip and groin injuries and adductor-related injury rates were analysed using Poisson regression, and injury burden was analysed using a negative binomial regression model.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Hip and groin injuries contributed 1812 out of 12 736 injuries (14%), with adductor-related injury as the most common of hip and groin injuries (n=1139, 63%). The rates of hip and groin injury and adductor-related injury were 1.0\/1000\u2009hours and 0.6\/1000\u2009hours, and these rates decreased significantly with on average 2% (Exp(b)=0.98, 95%\u2009CI 0.97 to 0.99, P=0.003) and 3% (Exp(b)=0.97, 95%\u2009CI 0.95 to 0.99, P&lt;0.001) per season (year on year), respectively. The seasonal trend of hip and groin injury burden did not improve (Exp(b)=0.99, 95%\u2009CI 0.97 to 1.01, P=0.40).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Hip and groin injuries constitute a considerable part of all time-loss injuries in men\u2019s professional football. Although there was a promising slight decreasing trend in the rates of hip and groin injury (as a category) and adductor-related injury (as a specific diagnosis), the injury burden remained at a consistent level over the study period.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bjsports-2017-097796","type":"journal-article","created":{"date-parts":[[2018,4,24]],"date-time":"2018-04-24T12:20:12Z","timestamp":1524572412000},"page":"539-546","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":114,"title":["Hip and groin time-loss injuries decreased slightly but injury burden remained constant in men\u2019s professional football: the 15-year prospective UEFA Elite Club Injury Study"],"prefix":"10.1136","volume":"53","author":[{"given":"Jonas","family":"Werner","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6883-1471","authenticated-orcid":false,"given":"Martin","family":"H\u00e4gglund","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Ekstrand","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"Wald\u00e9n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2018,4,24]]},"reference":[{"key":"2024051412570905000_53.9.539.1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2013-092394"},{"key":"2024051412570905000_53.9.539.2","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2009.066944"},{"key":"2024051412570905000_53.9.539.3","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2016-097277"},{"key":"2024051412570905000_53.9.539.4","doi-asserted-by":"publisher","DOI":"10.1080\/14763140903229500"},{"key":"2024051412570905000_53.9.539.5","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2007.2255"},{"key":"2024051412570905000_53.9.539.6","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2013-092627"},{"key":"2024051412570905000_53.9.539.7","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2014-094272"},{"key":"2024051412570905000_53.9.539.8","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2015.06.008"},{"key":"2024051412570905000_53.9.539.9","doi-asserted-by":"crossref","DOI":"10.1136\/bmjsem-2015-000082","article-title":"Past and projected temporal trends in arthroscopic hip surgery in England between 2002 and 2013","volume":"2","author":"Palmer","year":"2016","journal-title":"BMJ Open Sport Exerc Med"},{"key":"2024051412570905000_53.9.539.10","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2015-094705"},{"key":"2024051412570905000_53.9.539.11","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2005.025270"},{"key":"2024051412570905000_53.9.539.12","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2005.018267"},{"key":"2024051412570905000_53.9.539.13","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2015-094869"},{"key":"2024051412570905000_53.9.539.14","doi-asserted-by":"publisher","DOI":"10.1097\/JSM.0b013e318059b536"},{"key":"2024051412570905000_53.9.539.15","unstructured":"Agresti A . Generalized linear models. An introduction to categorical data analysis. Second Edn. Hoboken, New Jersey: John Wiley & Sons, Inc, 2007:74\u201383."},{"key":"2024051412570905000_53.9.539.16","unstructured":"Rosenberg D . Trend analysis and interpretation: key concepts and methods for maternal and child health professionals. Washington DC: Department of Health and Human Services, 1997."},{"key":"2024051412570905000_53.9.539.17","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.35.1.43"},{"key":"2024051412570905000_53.9.539.18","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0838.2004.00395.x"},{"key":"2024051412570905000_53.9.539.19","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2004.014571"},{"key":"2024051412570905000_53.9.539.20","doi-asserted-by":"publisher","DOI":"10.1177\/0363546510378081"},{"key":"2024051412570905000_53.9.539.21","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsams.2009.05.001"},{"key":"2024051412570905000_53.9.539.22","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2014-094162"},{"key":"2024051412570905000_53.9.539.23","doi-asserted-by":"crossref","unstructured":"Bahr R , Clarsen B , Ekstrand J . Why we should focus on the burden of injuries and illnesses, not just their incidence. Br J Sports Med 2017:bjsports-2017-098160 (accessed 11 Oct 2017).doi:10.1136\/bjsports-2017-098160","DOI":"10.1136\/bjsports-2017-098160"},{"key":"2024051412570905000_53.9.539.24","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2013-092215"},{"key":"2024051412570905000_53.9.539.25","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1177\/2325967114521778","article-title":"Eccentric and isometric hip adduction strength in male soccer players with and without adductor-related groin pain: an assessor-blinded comparison","volume":"2","author":"Thorborg","year":"2014","journal-title":"Orthop J Sports Med"},{"key":"2024051412570905000_53.9.539.26","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(98)03340-6"},{"key":"2024051412570905000_53.9.539.27","doi-asserted-by":"publisher","DOI":"10.1177\/0363546511416075"},{"key":"2024051412570905000_53.9.539.28","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2013-092263"},{"key":"2024051412570905000_53.9.539.29","doi-asserted-by":"publisher","DOI":"10.2165\/00007256-200737100-00004"},{"key":"2024051412570905000_53.9.539.30","doi-asserted-by":"crossref","first-page":"5S","DOI":"10.1177\/0363546503258912","article-title":"Risk factors for injuries in football","volume":"32 (1 Suppl)","author":"\u00c1rnason","year":"2004","journal-title":"Am J Sports Med"},{"key":"2024051412570905000_53.9.539.31","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2014-094256"},{"key":"2024051412570905000_53.9.539.32","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2015-095788"},{"key":"2024051412570905000_53.9.539.33","doi-asserted-by":"crossref","first-page":"1099","DOI":"10.1177\/0363546512438381","article-title":"The development of Cam-type deformity in adolescent and young male soccer players","volume":"40","author":"Agricola","year":"2012","journal-title":"Am J Sports Med"},{"key":"2024051412570905000_53.9.539.34","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2016-096743"},{"key":"2024051412570905000_53.9.539.35","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2009.060434"},{"key":"2024051412570905000_53.9.539.36","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2013-092223"},{"key":"2024051412570905000_53.9.539.37","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2015-095359"},{"key":"2024051412570905000_53.9.539.38","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2015-095952"}],"container-title":["British Journal of Sports Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bjsports-2017-097796","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,3]],"date-time":"2025-07-03T18:26:36Z","timestamp":1751567196000},"score":1,"resource":{"primary":{"URL":"https:\/\/bjsm.bmj.com\/lookup\/doi\/10.1136\/bjsports-2017-097796"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,4,24]]},"references-count":38,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2019,4,11]]},"published-print":{"date-parts":[[2019,5]]}},"alternative-id":["10.1136\/bjsports-2017-097796"],"URL":"https:\/\/doi.org\/10.1136\/bjsports-2017-097796","relation":{},"ISSN":["0306-3674","1473-0480"],"issn-type":[{"value":"0306-3674","type":"print"},{"value":"1473-0480","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,4,24]]}}}