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Jan Ekstrand

Active 1977–2025

97
Papers
21,533
Citations
79
h-index
97
i10-index

Citations

Citations per year for Jan Ekstrand1977: 3 citations1979: 4 citations1980: 2 citations1981: 2 citations1982: 1 citations1983: 10 citations1984: 4 citations1985: 8 citations1986: 6 citations1987: 12 citations1988: 9 citations1989: 19 citations1990: 11 citations1991: 15 citations1992: 17 citations1993: 9 citations1994: 51 citations1995: 25 citations1996: 34 citations1997: 32 citations1998: 47 citations1999: 42 citations2000: 60 citations2001: 43 citations2002: 49 citations2003: 54 citations2004: 93 citations2005: 100 citations2006: 78 citations2007: 90 citations2008: 74 citations2009: 79 citations2010: 143 citations2011: 89 citations2012: 117 citations2013: 179 citations2014: 150 citations2015: 200 citations2016: 209 citations2017: 215 citations2018: 162 citations2019: 660 citations2020: 687 citations2021: 696 citations2022: 559 citations2023: 354 citations2024: 576 citations2025: 176 citations2026: 3 citations1978: no citations, so this year is not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 825 citing papers, 14.8% of this breakdownUnited Kingdom: 623 citing papers, 11.2% of this breakdownAustralia: 438 citing papers, 7.9% of this breakdownSpain: 282 citing papers, 5.1% of this breakdownSweden: 276 citing papers, 5% of this breakdownNetherlands: 238 citing papers, 4.3% of this breakdownGermany: 223 citing papers, 4% of this breakdownNorway: 192 citing papers, 3.5% of this breakdownQatar: 191 citing papers, 3.4% of this breakdownItaly: 190 citing papers, 3.4% of this breakdownCanada: 171 citing papers, 3.1% of this breakdownSwitzerland: 171 citing papers, 3.1% of this breakdown
0%14.8%Other 31.2%

Institutions

Fields

  • Medicine85.2%
  • Environmental Science3.7%
  • Engineering3.4%
  • Health Professions1.8%
  • Psychology1.8%
  • Biochemistry, Genetics and Molecular Biology1.6%
  • Other2.5%

Topics

  • Sports injuries and prevention24.3%
  • Sports Performance and Training9.9%
  • Knee injuries and reconstruction techniques9%
  • Lower Extremity Biomechanics and Pathologies6.2%
  • Cardiovascular Effects of Exercise4.1%
  • Shoulder Injury and Treatment3.9%
  • Other42.6%

Coauthors

All papers

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  1. Hamstring injury rates have increased during recent seasons and now constitute 24% of all injuries in men’s professional football: the UEFA Elite Club Injury Study from 2001/02 to 2021/22

    Authors: Jan Ekstrand, Håkan Bengtsson, Markus Waldén, Michael Davison, Karim M. Khan, Martin Hägglund - British Journal of Sports Medicine 2022 cited by 331

  2. Epidemiology of Muscle Injuries in Professional Football (Soccer)

    Authors: Jan Ekstrand, Martin Hägglund, Markus Waldén - The American Journal of Sports Medicine 2011 cited by 1,451

  3. Injury incidence and injury patterns in professional football: the UEFA injury study

    Authors: Jan Ekstrand, Martin Hägglund, Markus Waldén - British Journal of Sports Medicine 2009 cited by 1,391

  4. Injuries affect team performance negatively in professional football: an 11-year follow-up of the UEFA Champions League injury study

    Authors: Martin Hägglund, Markus Waldén, Henrik Magnusson, Karolina Kristenson, Håkan Bengtsson, Jan Ekstrand - British Journal of Sports Medicine 2013 cited by 812

  5. Hamstring injuries have increased by 4% annually in men's professional football, since 2001: a 13-year longitudinal analysis of the UEFA Elite Club injury study

    Authors: Jan Ekstrand, Markus Waldén, Martin Hägglund - British Journal of Sports Medicine 2016 cited by 692

  6. ACL injuries in men's professional football: a 15-year prospective study on time trends and return-to-play rates reveals only 65% of players still play at the top level 3 years after ACL rupture

    Authors: Markus Waldén, Martin Hägglund, Henrik Magnusson, Jan Ekstrand - British Journal of Sports Medicine 2016 cited by 361

  7. Injury rates decreased in men’s professional football: an 18-year prospective cohort study of almost 12 000 injuries sustained during 1.8 million hours of play

    Authors: Jan Ekstrand, Armin Sprečo, Håkan Bengtsson, Roald Bahr - British Journal of Sports Medicine 2021 cited by 196

  8. High rate of second ACL injury following ACL reconstruction in male professional footballers: an updated longitudinal analysis from 118 players in the UEFA Elite Club Injury Study

    Authors: Francesco Della Villa, Martin Hägglund, Stefano Della Villa, Jan Ekstrand, Markus Waldén - British Journal of Sports Medicine 2021 cited by 150

  9. Hamstring muscle injuries in professional football: the correlation of MRI findings with return to play

    Authors: Jan Ekstrand, Jeremiah C. Healy, Markus Waldén, Justin C. Lee, Bryan English, Martin Hägglund - British Journal of Sports Medicine 2011 cited by 489

  10. Time before return to play for the most common injuries in professional football: a 16-year follow-up of the UEFA Elite Club Injury Study

    Authors: Jan Ekstrand, Werner Krutsch, Armin Sprečo, Wart Van Zoest, Craig Roberts, Tim Meyer, Håkan Bengtsson - British Journal of Sports Medicine 2019 cited by 242

  11. Anterior cruciate ligament injury in elite football: a prospective three‐cohort study

    Authors: Markus Waldén, Martin Hägglund, Henrik Magnusson, Jan Ekstrand - Knee Surgery Sports Traumatology Arthroscopy 2010 cited by 331

  12. The epidemiology of anterior cruciate ligament injury in football (soccer): a review of the literature from a gender‐related perspective

    Authors: Markus Waldén, Martin Hägglund, Jonas Werner, Jan Ekstrand - Knee Surgery Sports Traumatology Arthroscopy 2010 cited by 307

  13. Terminology and classification of muscle injuries in sport: The Munich consensus statement

    Authors: Hans-Wilhelm Mueller-Wohlfahrt, Lutz Haensel, Kai Mithoefer, Jan Ekstrand, Bryan English, Steven R. McNally, John Orchard, C. Niek van Dijk, Gino M. M. J. Kerkhoffs, Patrick Schamasch, Dieter Blottner, Leif Swaerd, Edwin A. Goedhart, Peter Ueblacker - British Journal of Sports Medicine 2012 cited by 601

  14. Methods for epidemiological study of injuries to professional football players: developing the UEFA model

    Authors: Martin Hägglund, Markus Waldén, Roald Bahr, Jan Ekstrand - British Journal of Sports Medicine 2005 cited by 607

  15. Doha agreement meeting on terminology and definitions in groin pain in athletes

    Authors: Adam Weir, Peter Brukner, Eamonn Delahunt, Jan Ekstrand, Damian Griffin, Karim M. Khan, Greg Lovell, William C. Meyers, Ulrike Muschaweck, John Orchard, Hannu Paajanen, Marc J. Philippon, G. Reboul, Philip Robinson, Anthony G. Schache, Ernest Schilders, Andreas Serner, Holly J. Silvers, Kristian Thorborg, Timothy F. Tyler, Geoffrey M. Verrall, Robert‐Jan de Vos, Zarko Vuckovic, Per Hölmich - British Journal of Sports Medicine 2015 cited by 535

  16. Why we should focus on the burden of injuries and illnesses, not just their incidence

    Authors: Roald Bahr, Benjamin Clarsen, Jan Ekstrand - British Journal of Sports Medicine 2017 cited by 279

  17. Communication quality between the medical team and the head coach/manager is associated with injury burden and player availability in elite football clubs

    Authors: Jan Ekstrand, Daniel Lundqvist, Michael Davison, Michel D’Hooghe, Anne Marte Pensgaard - British Journal of Sports Medicine 2018 cited by 207

  18. Hip and groin time-loss injuries decreased slightly but injury burden remained constant in men’s professional football: the 15-year prospective UEFA Elite Club Injury Study

    Authors: Jonas Werner, Martin Hägglund, Jan Ekstrand, Markus Waldén - British Journal of Sports Medicine 2018 cited by 115

  19. UEFA Women’s Elite Club Injury Study: a prospective study on 1527 injuries over four consecutive seasons 2018/2019 to 2021/2022 reveals thigh muscle injuries to be most common and ACL injuries most burdensome

    Authors: Anna Hallén, Rita Tomás, Jan Ekstrand, Håkan Bengtsson, Elke Van Den Steen, Martin Hägglund, Markus Waldén - British Journal of Sports Medicine 2024 cited by 76

  20. Still poorly adopted in male professional football: but teams that used the Nordic Hamstring Exercise in team training had fewer hamstring injuries – a retrospective survey of 17 teams of the UEFA Elite Club Injury Study during the 2020–2021 season

    Authors: Jan Ekstrand, Håkan Bengtsson, Markus Waldén, Michael Davison, Martin Hägglund - BMJ Open Sport & Exercise Medicine 2022 cited by 60

  21. Injuries among male and female elite football players

    Authors: Martin Hägglund, Markus Waldén, Jan Ekstrand - Scandinavian Journal of Medicine and Science in Sports 2009 cited by 328

  22. Keeping your top players on the pitch: the key to football medicine at a professional level

    Authors: Jan Ekstrand - British Journal of Sports Medicine 2013 cited by 219

  23. Risk Factors for Lower Extremity Muscle Injury in Professional Soccer

    Authors: Martin Hägglund, Markus Waldén, Jan Ekstrand - The American Journal of Sports Medicine 2012 cited by 382

  24. Injury prevention strategies, coach compliance and player adherence of 33 of the UEFA Elite Club Injury Study teams: a survey of teams’ head medical officers

    Authors: Alan McCall, Grégory Dupont, Jan Ekstrand - British Journal of Sports Medicine 2016 cited by 190