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Authors: Andy Stamm 1 ; 2 and Igor Shlyonsky 3

Affiliations: 1 Faculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, 47533 Cleve, Germany ; 2 Griffith School of Engineering, Griffith University, 4111 Nathan, QLD, Australia ; 3 MySwimEdge, CA, U.S.A.

Keyword(s): Swimming, Freestyle, Symmetry, Velocity, IMU, Freestyle Symmetry Score.

Abstract: MEMS sensors (IMU’s) are widely available nowadays and tend to be used more often in sports monitoring. Especially in swimming these sensors have seen rapid development in the past years. These sensors have very good measurement capabilities today, but the automatic analysis of the gathered data has not yet been implemented. Our objective is to develop and validate an automatic analysis which can provide the swimmers/coaches with nearly immediate feedback on a smartphone/tablet. Ten swimmers ranging from novice to elite have been participating in this study performing freestyle in either 25m or 50m pools. All trials were recorded with a 3-axis accelerometer. The symmetry parameters have been extracted from the recorded data after these were high-pass filtered to remove the gravity from the signal and a zero crossing detection algorithm was applied. The results showed a very strong relation to results obtained by other researchers.

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Paper citation in several formats:
Stamm, A. and Shlyonsky, I. (2020). Freestyle Swimming Analysis of Symmetry and Velocities using a MEMS based IMU: Introducing a Symmetry Score. In Proceedings of the 8th International Conference on Sport Sciences Research and Technology Support - icSPORTS; ISBN 978-989-758-481-7; ISSN 2184-3236, SciTePress, pages 38-43. DOI: 10.5220/0010134700380043

@conference{icsports20,
author={Andy Stamm. and Igor Shlyonsky.},
title={Freestyle Swimming Analysis of Symmetry and Velocities using a MEMS based IMU: Introducing a Symmetry Score},
booktitle={Proceedings of the 8th International Conference on Sport Sciences Research and Technology Support - icSPORTS},
year={2020},
pages={38-43},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010134700380043},
isbn={978-989-758-481-7},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the 8th International Conference on Sport Sciences Research and Technology Support - icSPORTS
TI - Freestyle Swimming Analysis of Symmetry and Velocities using a MEMS based IMU: Introducing a Symmetry Score
SN - 978-989-758-481-7
IS - 2184-3236
AU - Stamm, A.
AU - Shlyonsky, I.
PY - 2020
SP - 38
EP - 43
DO - 10.5220/0010134700380043
PB - SciTePress