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Understanding ratio of forces during early acceleration - nmu ...

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First four steps were determined from force plate data, and a simple ... rf and early acceleration performance from both standing (r = 0.82) ...
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UNDERSTANDING RATIO OF FORCES DURING EARLY ACCELERATIONNeil Bezodis1, Steffi Colyer2, Ryu Nagahara3, Helen Bayne4, Ian Bezodis5, Jean-Benoît Morin6, Munenori Murata3, Pierre Samozino7A-STEM Research Centre, Swansea University, UK1Department for Health, University of Bath, Bath, UK2National Institute of Fitness and Sports in Kanoya, Japan3Department of Physiology, Faculty of Health Sciences, University of Pretoria, South Africa4Cardiff School of Sport & Health Sciences, Cardiff Metropolitan University, UK5Université Côte d’Azur, LAMHESS, Nice, France6Université Savoie Mont Blanc, LIBM, Chambéry, France7Ratio of forces (RF) were investigated during early acceleration by analysing block andstanding starts in trained sprinters. RF variables over the initial block exit/push-off and thefirst four steps were determined from force plate data, and a simple macroscopic modelwas also applied to obtain RF variables from the velocity time-history over the entireacceleration phase. Large positive co...