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Utilizing wearable devices for digitizing the 3D motion of an athlete during strength training
Vitková, Emma ; Holcman, Vladimír (referee) ; Tofel, Pavel (advisor)
In the field of wearable devices aimed at monitoring physical activity and health, technological advances have provided new opportunities for the analysis of sport and physical training. With the help of Movella DOT inertial sensors, it was possible to obtain the position from the acceleration and then digitize the movement of the athlete performing the selected exercises of shoulder press, squat and deadlift. The obtained positionof the selected sensor on the wrist was compared with the position of the reference system from the company Qualisys with the help of a marker placed on the given sensor. After calculating the absolute distance of the maximum and minimum distance for both devices, it was found that after applying the statistical test, there are no significant statistical differences between the calculated distances for both devices. Next, the obtained displacement was applied to the model, which demonstrated digitized movement in 3D space. However, it is obvious that the number of five used sensors for digitizing the whole body is not sufficient, which led to slight differences between digital and real movement.
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