Validity of an ultra-wideband local positioning system to assess specific movements in handball.
Concurrent validity
Indoor sport
Kinexon
Ultra-wideband
Vicon
Journal
Biology of sport
ISSN: 0860-021X
Titre abrégé: Biol Sport
Pays: Poland
ID NLM: 8700872
Informations de publication
Date de publication:
Dec 2020
Dec 2020
Historique:
received:
01
04
2020
revised:
11
05
2020
accepted:
12
06
2020
entrez:
21
12
2020
pubmed:
22
12
2020
medline:
22
12
2020
Statut:
ppublish
Résumé
The aim of this study was to examine the concurrent validity of the Kinexon local positioning system (LPS) in comparison with the Vicon motion capture system used as the reference. Five recreationally active men performed ten repetitions of linear sprints, medio-lateral side-to-side and handball-specific movements both in the centre and on the side of an indoor field. Validity was assessed for peak speed, peak acceleration and peak deceleration using standardised biases, Pearson coefficient of correlation (r), and standardised typical error of the estimate. With the exception of peak decelerations during specific movements in the centre and peak acceleration and deceleration during linear sprints on the side of the field, the standardised typical error of the estimate (TEE) values were all small to moderate (0.06-0.48), standardised bias ranged between 0.01 and 2.85 and Pearson coefficient values were all > 0.90 for all variables in all conditions. Peak acceleration and deceleration during linear sprints on the side of the field showed the largest TEEs and the greatest differences between the two systems. The ultra-wideband based (UWB) local positioning system had acceptable validity compared with Vicon to assess players' movements in handball with the exception of high accelerations and decelerations during linear sprints on the side of the field.
Identifiants
pubmed: 33343068
doi: 10.5114/biolsport.2020.96850
pii: 96850
pmc: PMC7725040
doi:
Types de publication
Journal Article
Langues
eng
Pagination
351-357Informations de copyright
Copyright © Biology of Sport 2020.
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