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Artefacts in measuring joint moments may lead to incorrect clinical conclusions: the nexus between science (biomechanics) and sports injury prevention!
Eirik Kristianslund, Tron Krosshaug, Antonie J van den Bogert Br J Sports Med doi:10.1136/bjsports-2012-091199
Measuring joint moments at high speed is integral for sports-related research, but substantial artefacts can arise with certain computational methods. This is relevant for BJSM readers as measurement errors can lead to flawed conclusions. Potential settings where errors have the potential to creep in include anterior cruciate ligament (ACL) risk factor studies, running biomechanics analysis and other fields where biomechanists study fast movements. Our recent paper in Journal of Biomechanics demonstrated the effect of different filtering of force and marker data in joint moment calculations.1 This paper explains those findings for the clinical readership of BJSM and highlights the areas where it may be wise to ‘proceed with caution’ when interpreting previous studies that aim to identify key risk factors for injury.