Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units

<b> </b>The purpose of this study was to demonstrate the feasibility of measuring and analyzing characteristics of figure skating jumps using wearable sensors. One elite figure skater, outfitted with five inertial measurement units (IMUs), performed flip jumps with single, double, and tr...

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Main Authors: Yuchen Shi, Atsushi Ozaki, Masaaki Honda
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Proceedings
Subjects:
Online Access:https://www.mdpi.com/2504-3900/49/1/124
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author Yuchen Shi
Atsushi Ozaki
Masaaki Honda
author_facet Yuchen Shi
Atsushi Ozaki
Masaaki Honda
author_sort Yuchen Shi
collection DOAJ
description <b> </b>The purpose of this study was to demonstrate the feasibility of measuring and analyzing characteristics of figure skating jumps using wearable sensors. One elite figure skater, outfitted with five inertial measurement units (IMUs), performed flip jumps with single, double, and triple revolutions. Take-off event and flight phase of each trial were under analysis. Kinematic differences among jumps with variant revolutions as well as key factors for performing successfully landed triple jumps were determined by IMU signals. Compared with a video-based method, this study revealed the following characteristics that coincide with previous studies: at take-off event, the skater performed pre-rotation and took off with preferred postural positions as revolutions increased (<i>p</i><i> </i>< 0.01); during flight, the skater struggled more to maintain the smallest inertial of moment as revolutions increased (<i>p</i> < 0.01); in order to perform successfully landed jumps, it was crucial that the skater improved the control of preparation for flight at take-off (<i>p</i> < 0.05).
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spelling doaj.art-a232b553ea6d450c98d34e3daa3fbb2a2024-11-03T00:22:29ZengMDPI AGProceedings2504-39002020-06-0149112410.3390/proceedings2020049124Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement UnitsYuchen Shi0Atsushi Ozaki1Masaaki Honda2Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, JapanWaseda Institute for Sport Sciences, Waseda University, Tokorozawa 359-1192, JapanFaculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan<b> </b>The purpose of this study was to demonstrate the feasibility of measuring and analyzing characteristics of figure skating jumps using wearable sensors. One elite figure skater, outfitted with five inertial measurement units (IMUs), performed flip jumps with single, double, and triple revolutions. Take-off event and flight phase of each trial were under analysis. Kinematic differences among jumps with variant revolutions as well as key factors for performing successfully landed triple jumps were determined by IMU signals. Compared with a video-based method, this study revealed the following characteristics that coincide with previous studies: at take-off event, the skater performed pre-rotation and took off with preferred postural positions as revolutions increased (<i>p</i><i> </i>< 0.01); during flight, the skater struggled more to maintain the smallest inertial of moment as revolutions increased (<i>p</i> < 0.01); in order to perform successfully landed jumps, it was crucial that the skater improved the control of preparation for flight at take-off (<i>p</i> < 0.05).https://www.mdpi.com/2504-3900/49/1/124Biomechanicskinematicsinertial measurement units (IMUs)figure skatingflip jumpreal-time automatic coaching
spellingShingle Yuchen Shi
Atsushi Ozaki
Masaaki Honda
Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units
Proceedings
Biomechanics
kinematics
inertial measurement units (IMUs)
figure skating
flip jump
real-time automatic coaching
title Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units
title_full Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units
title_fullStr Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units
title_full_unstemmed Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units
title_short Kinematic Analysis of Figure Skating Jump by Using Wearable Inertial Measurement Units
title_sort kinematic analysis of figure skating jump by using wearable inertial measurement units
topic Biomechanics
kinematics
inertial measurement units (IMUs)
figure skating
flip jump
real-time automatic coaching
url https://www.mdpi.com/2504-3900/49/1/124
work_keys_str_mv AT yuchenshi kinematicanalysisoffigureskatingjumpbyusingwearableinertialmeasurementunits
AT atsushiozaki kinematicanalysisoffigureskatingjumpbyusingwearableinertialmeasurementunits
AT masaakihonda kinematicanalysisoffigureskatingjumpbyusingwearableinertialmeasurementunits