Experimental validation of Xsens inertial sensors during clinical and sport motion capture applications

Nowadays stereophotogrammetric system is the most employed in biomechanical laboratories: it is considered the golden standard for its accuracy even if it presents some. The interest on Inertial hybrid sensors is growing both considering entertainment applications but also biomechanical ones. The main advantage of such instruments is the outdoor employment with no limit of operating volume. In this way it is possible to record real movements in their proper environment. Therefore the first aim of the present work was to evaluate the accuracy of the inertial system MTw developed by Xsens Technologies in clinical and sport applications. The followed approach was to compare technical frames of both MTws and optoelectronical system . The second aim was to define the anatomical rotation axes to obtain the most important data in clinical application: the anatomical angles calculated by joint coordinates system