Incidence and risk factors of spondylolysis in youth football: a longitudinal study among male Norwegian players.

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Title: Incidence and risk factors of spondylolysis in youth football: a longitudinal study among male Norwegian players.
Authors: Morland N; Western Norway Center for Sports Medicine, Bergen, Norway., Tovi D; Haraldsplass Deaconess Hospital Department of Surgery, Bergen, Norway., Clarsen B; FIFA Medical, Fédération Internationale de Football Association, Zürich, Switzerland.; Norwegian School of Sport Sciences, Department of Sports Medicine, Oslo Sports Trauma Research Center, Oslo, Norway., Rygh CB; Department of Radiology, Haukeland University Hospital, Bergen, Norway., Bache-Mathiesen LK; Oslo Sports Trauma Research Center, Norwegian School of Sports Sciences, Oslo, Norway., Clemm HH; Department of Pediatric and Adolescent Medicine, Haukeland University Hospital, Bergen, Norway.; Department of Sports Medicine, Norwegian School of Sports Sciences, Oslo, Norway., Gundersen H; Department of Sport, Food and Natural Sciences, Western Norway University of Applied Sciences, Bergen, Norway.
Source: BMJ open sport & exercise medicine [BMJ Open Sport Exerc Med] 2026 Apr 09; Vol. 12 (2), pp. e003222. Date of Electronic Publication: 2026 Apr 09 (Print Publication: 2026).
Publication Type: Journal Article
Journal Info: Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101681007 Publication Model: eCollection Cited Medium: Print ISSN: 2055-7647 (Print) Linking ISSN: 20557647 NLM ISO Abbreviation: BMJ Open Sport Exerc Med Subsets: PubMed not MEDLINE
Database: MEDLINE Ultimate
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  Data: <searchLink fieldCode="AU" term="%22Morland+N%22">Morland N</searchLink>; Western Norway Center for Sports Medicine, Bergen, Norway.<br /><searchLink fieldCode="AU" term="%22Tovi+D%22">Tovi D</searchLink>; Haraldsplass Deaconess Hospital Department of Surgery, Bergen, Norway.<br /><searchLink fieldCode="AU" term="%22Clarsen+B%22">Clarsen B</searchLink>; FIFA Medical, Fédération Internationale de Football Association, Zürich, Switzerland.; Norwegian School of Sport Sciences, Department of Sports Medicine, Oslo Sports Trauma Research Center, Oslo, Norway.<br /><searchLink fieldCode="AU" term="%22Rygh+CB%22">Rygh CB</searchLink>; Department of Radiology, Haukeland University Hospital, Bergen, Norway.<br /><searchLink fieldCode="AU" term="%22Bache-Mathiesen+LK%22">Bache-Mathiesen LK</searchLink>; Oslo Sports Trauma Research Center, Norwegian School of Sports Sciences, Oslo, Norway.<br /><searchLink fieldCode="AU" term="%22Clemm+HH%22">Clemm HH</searchLink>; Department of Pediatric and Adolescent Medicine, Haukeland University Hospital, Bergen, Norway.; Department of Sports Medicine, Norwegian School of Sports Sciences, Oslo, Norway.<br /><searchLink fieldCode="AU" term="%22Gundersen+H%22">Gundersen H</searchLink>; Department of Sport, Food and Natural Sciences, Western Norway University of Applied Sciences, Bergen, Norway.
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  Data: <searchLink fieldCode="JN" term="%22101681007%22">BMJ open sport & exercise medicine</searchLink> [BMJ Open Sport Exerc Med] 2026 Apr 09; Vol. 12 (2), pp. e003222. <i>Date of Electronic Publication: </i>2026 Apr 09 (<i>Print Publication: </i>2026).
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        Value: 10.1136/bmjsem-2026-003222
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      – TitleFull: Incidence and risk factors of spondylolysis in youth football: a longitudinal study among male Norwegian players.
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              Text: 2026 Apr 09
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