British journal of sports medicine
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There are conflicting results in the literature regarding the association between radiographic knee osteoarthritis (OA) and symptoms and function in subjects with previous anterior cruciate ligament (ACL) reconstruction. ⋯ Subjects with radiographic knee OA showed significantly more symptoms than those without OA, and subjects with severe radiographic knee OA had significantly more pain, impaired function and reduced quality of life than those without radiographic knee OA 10-15 years after ACL reconstruction.
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The development of strategies to prevent illnesses before and during Olympic Games provides a basis for improved health and Olympic results. ⋯ The illness rate was 5.1% (five of 99 athletes) compared with 17.3% (13 out of 75 athletes) in Turin (p=0.008). A total of four athletes missed one competition during the Vancouver Games owing to illness, compared with eight in Turin. The average illness rate for all nations in the Vancouver OWG was 7.2%. Conclusions Although no definite cause-and-effect link between the implementation of preventive measures and the prevalence of illness in the 2010 OWG could be established, the reduced illness rate compared with the 2006 OWG, and the low prevalence of illnesses compared with other nations in the Vancouver OWG suggest that the preparations were effective.
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To study the injury characteristics in professional football and to follow the variation of injury incidence during a match, during a season and over consecutive seasons. ⋯ The training and match injury incidences were stable over seven seasons. The risk of injury increased with time in each half of matches.
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Comparative Study
Intentional versus unintentional contact as a mechanism of injury in youth ice hockey.
Youth ice hockey injury rates and mechanisms have been described by various classification systems. Intentional versus unintentional contact was used to classify mechanisms of injuries. All injuries (n=247) in one youth hockey programme over a 5-year period were recorded and included in the analysis. ⋯ Most injuries in the youth hockey programme studied were the result of unintentional contact, and were generally more severe. These findings were not expected given previously published research.