Determining push-off forces in speed skating imitation drills

Abstract Speed skating takes place on ice rinks and is, therefore, dependent seasonal conditions. To be able to train all year round, training in the summer months, when no are available, consists mainly of athletics endurance as well imitation drills. Imitation drills exercises, e.g. a slide board, which imitate actual movement. objectively evaluate quality execution these key performance indicators such push-off forces need quantified. The aim this work was determine during speed using pressure insoles combination with machine-learning methods. A board is usually not instrumented. Here, equipped force plates record target variables, i.e. forces. input variables were recorded plantar triaxial accelerometers. Seven participants took part study. Two different algorithms compared. non-linear deep neural network model linear multiple variable regression model. models trained obtained force–time curves. proved sufficient predict relative difference between measured modelled maximum remained below 5%. This approach, based mobile low-cost measurement system, allows quantitative analysis athlete’s technique/performance. Therefore, we expect instrument helpful tool for skaters.