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Lower Injury Rates ...
Lower Injury Rates for Newcomers to Professional Soccer : a Prospective Cohort Study over Nine Consecutive Seasons
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- Kristenson, Karolina (författare)
- Linköpings universitet,Avdelningen för samhällsmedicin,Hälsouniversitetet
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- Waldén, Markus (författare)
- Linköpings universitet,Socialmedicin och folkhälsovetenskap,Hälsouniversitetet
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- Ekstrand, Jan (författare)
- Linköpings universitet,Avdelningen för samhällsmedicin,Hälsouniversitetet
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- Hägglund, Martin (författare)
- Linköpings universitet,Avdelningen för sjukgymnastik,Hälsouniversitetet
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(creator_code:org_t)
- 2013-04-23
- 2013
- Engelska.
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Ingår i: American Journal of Sports Medicine. - : SAGE Publications. - 0363-5465 .- 1552-3365. ; 41:6, s. 1419-1425
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background: No study has investigated whether newcomers to professional soccer have a different injury rate than established players. Purpose: The primary objective was to investigate whether being a newcomer to professional soccer influences injury rates. The secondary objective was to evaluate whether playing position and player age influence injury rates. Study Design: Cohort study; Level of evidence, 2. Methods: Twenty-six soccer clubs, with 1401 players, were followed prospectively over 9 consecutive seasons between 2001 and 2010. Club medical staff recorded time-loss injuries and soccer exposure on an individual level. Cox regression analyses were used to evaluate associations between time-loss injuries and time in professional soccer, playing position, and age. Results: In total, 6140 injuries and 797,389 hours of exposure were registered. A decreased general injury rate was observed for newcomers (n = 116) compared with established players (n = 3091) (hazard ratio [HR], 0.77; 95% confidence interval [CI], 0.61-0.99). In contrast, newcomers had a higher rate of fractures (rate ratio [RR], 1.77; 95% CI, 1.05-2.97), especially stress-related bone injuries (RR, 2.68; 95% CI, 1.08-6.69). Using goalkeepers as a reference, all outfield playing positions had significantly higher adjusted injury rates: defenders with an HR of 1.91 (95% CI, 1.64-2.24), midfielders with an HR of 1.78 (95% CI, 1.53-2.07), and forwards with an HR of 1.82 (95% CI, 1.55-2.14). Using players aged ≤21 years as a reference, the overall adjusted injury rate increased with age, with a peak injury rate among players aged 29 to 30 years (HR, 1.44; 95% CI, 1.24-1.68). Conclusion: Newcomers to professional soccer had a lower general injury rate than established players but a higher rate of stress-related bone injuries. Being a goalkeeper was associated with lower injury rates than all outfield playing positions. Injury rates increased with age, a pattern that persisted after adjusting for playing position and match exposure.
Nyckelord
- age; soccer; playing position; risk factor
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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