The free moment in running and its relation to joint loading and injury risk Steffen Willwacher, Irena Goetze, Katina Mira Fischer & Gert-Peter Br?ggemann Footwear Science Quote: The purpose of this study was to explore the relationship between free moment (FM) characteristics, joint mechanics and injury risk, in order to evaluate the potential of the FM as a variable for runner classification into functional groups with similar footwear demands.
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The free moment in running and its relation to injury