. . SPORTS MEDICINE : SPORTS: INJURIES : HEALTH: INJURIES AND INJURY PREVENTION: Combining Epidemiology and Biomechanics in Sports Injury Prevention Research: A New Approach for Selecting Suitable Controls . .Combining Epidemiology and Biomechanics in Sports Injury Prevention Research:
A New Approach for Selecting Suitable Controls Finch, CF Journal: Sports medicine (Auckland) ISSN: 0112-1642 Date: 2011 Volume: 41 Issue: 1 Page: 59 . . Abstract (Excerpt): . Abstract:Several important methodological issues need to be considered when designing sports injury case-control studies. Major design goals for case-control studies include the accounting for prior injury risk exposure, and optimal definitions of both cases and suitable controls are needed to ensure this. This article reviews methodological aspects of published sports injury case-control studies, particularly with regard to the selection of controls. It argues for a new approach towards selecting controls for case-control studies that draws on an interface between epidemiological and biomechanical concepts. A review was conducted to identify sport injury case-control studies published in the peer-review literature during 1985-2008. Overall, 32 articles were identified, of which the majority related to upper or lower extremity injuries. Matching considerations were used for control selection in 16 studies. Specific mention of application of biomechanical principles in the selection of appropriate controls was absent from all studies, including those purporting to evaluate the benefits of personal protective equipment to protect against impact injury. This is a problem because it could lead to biased conclusions, as cases and controls are not fully comparable in terms of similar biomechanical impact profiles relating to the injury incident, such as site of the impact on the body. The strength of the conclusions drawn from case-control studies, and the extent to which results can be generalized, is directly influenced by the definition and recruitment of cases and appropriate controls. Future studies should consider the interface between epidemiological and biomechanical concepts when choosing appropriate controls to ensure that proper adjustment of prior exposure to injury risk is made.
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