Validation of an integrated experimental setup for kinetic and kinematics 3D analyses in a training environment

Abstract : Biomechanical analyse using incorporated and synchronised tools (EMG, motion capture, force sensors, force platform, and digital camera) are classically performed in a laboratory environment which may influence the performance. We present a system for studying the running sprint start that synchronizes motion capture, EMG, and ground reaction force data. To maximise motion capture (Vicon 612 with 6 cameras), a special dim environment was created in the stadium. "Classical" tools were combined with "design" tools intended to analyse the different aspects of movement. For example, a synchronisation system was built to create a common base time for all data recordings and an EMG portable system was synchronised by a cable which was disconnected by the athlete's movement. This disconnection represented an independent event recorded by different tools. A "gap" was measured for some sprint start events between kinetics and motion capture data. Calibration results, measurements of time "gap", and duration of the independent event are used to validate the accuracy of motion capture and the synchronisation. The results validate the entire experimental setup and suggest adjustment values for motion capture data. This environment can be used to study other movements and can easily be applied to several sports.
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Bruno Reine, Françoise Natta, Boisnoir Alex. Validation of an integrated experimental setup for kinetic and kinematics 3D analyses in a training environment. Sports Biomechanics, Taylor & Francis (Routledge): SSH Titles, 2007, 6 (2), pp.215-223. ⟨10.1080/14763140701324818⟩. ⟨hal-01709244⟩

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