Affiliation:
1. Institute for Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany;
2. Department of Sport, Exercise and Health, University of Basel, Switzerland
Abstract
Context:
The winter break in the top 2 German professional soccer leagues was shortened from 6.5 to 3.5 weeks in the 2009–2010 season.
Objective:
To investigate whether this change affected injury characteristics by comparing the second half of the 2008–2009 (long winter break) with the equivalent period in the 2009–2010 season (short winter break).
Design:
Prospective cohort study.
Setting:
German male professional soccer leagues.
Patients or Other Participants:
Seven professional German male soccer teams (184 players in the 2008–2009 season, 188 players in the 2009–2010 season).
Main Outcome Measure(s):
Injury incidences and injury characteristics (cause of injury, location, severity, type, diagnosis), including their monthly distribution, were recorded.
Results:
A total of 300 time-loss injuries (2008–2009 n = 151, 2009–2010 n = 149) occurred. The overall injury incidence per 1000 soccer hours was 5.90 (95% confidence interval = 5.03, 6.82) in 2008–2009 and 6.55 (5.58, 7.69) in 2009–2010. Match injuries per 1000 hours were 31.5 (25.0, 38.0) in the first season and 26.5 (20.2, 32.7) in the second season; the corresponding training values were 2.67 (2.08–3.44) and 3.98 (3.19–4.95), respectively. The training injury incidence (incidence rate ratio = 1.49 [95% confidence interval = 1.07, 2.08], P = .02) and the risk of sustaining a knee injury (incidence rate ratio = 1.66 [1.00, 2.76], P = .049) were higher in 2009–2010 after the short winter break; the incidence of moderate and severe injuries (time loss >7 days) trended higher (incidence rate ratio = 1.34 [0.96, 1.86], P = .09).
Conclusions:
Shortening the winter break from 6.5 to 3.5 weeks did not change the overall injury incidence; however, a higher number of training, knee, and possibly more severe injuries (time loss >7 days) occurred.
Publisher
Journal of Athletic Training/NATA
Subject
Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine,General Medicine
Cited by
41 articles.
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