Can Kinect aid motor learning in sportsmen? A study for three standing techniques in judo

Cezary Sielużycki, Jarosław Maśliński, Patryk Kaczmarczyk, Rafał Kubacki, Wojciech B Cieśliński and Kazimierz Witkowski

PLOS ONE, 2019, vol. 14, issue 2, 1-20

Abstract: Our objective was to examine how exercises with the second generation of the Microsoft Kinect sensor may aid in the process of motor learning in young judo practitioners. We addressed improvements in spatio-temporal accuracy during execution of three standing techniques in judo, in a simple paradigm designed to study short-term practice effects. Two groups of judokas, 12 athletes each—one aided with Kinect and our dedicated software vs a group of controls—were asked to mimic previously recorded master-level performances of the three techniques, established as benchmarks by a two times world champion in judo. In five training sessions, athletes of the aided group used a virtual-reality setup in which they trained with a virtual representation of the master displayed on a large screen with a simultaneous real-time visualisation of their own movements in the form of an avatar based on body joint localisation, as determined by Kinect, which also measured their performance. The control group used Kinect in the 1st and 5th session, which was necessary for the measurements that constituted the basis for subsequent statistical comparisons, whereas the 2nd, 3rd, and 4th session in this group was guided by a coach, without the use of the Kinect setup. In addition, athletes of the two groups had unrestricted access to a video recording of the master performing the three throws. We found statistically significant improvements (p

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0210260

DOI: 10.1371/journal.pone.0210260

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