The aim of the current study is to evaluate several performance indicators to be used as real-time feedback in the coming experiments to enhance performance of elite speeds skaters. Six speed skaters, wearing one IMU per skate, collected data over one full training season to evaluate and pinpoint useful performance indicators. Promising performance indicators were picked in close collaboration with the coaches. One of those is the time that two skates are on the ice simultaneously, the double stance phase (DS). Coaches believe it has an inverse relation to velocity of the skater. In the curve this relationship is found for some skaters but not all. Also other factors seem to influence the DS phase as well. Data of a higher quality skating ring are inline with this finding but more profound, indicating that ice quality or anxiety, could influence the double stance phase as well.
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