Reliability and validity of an indoor local positioning system for measuring external load in ice hockey players

This study determined the reliability and validity of a Kinexon local positioning system (LPS) for measuring external load in ice hockey players during an on-ice session. Fourteen ice hockey players (25.1 y, 78.6 kg, 176.9 cm) wore two LPS sensors to examine the inter-sensor reliability of the LPS d...

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Bibliographic Details
Published in:European journal of sport science 2023-03, Vol.23 (3), p.311-318
Main Authors: Gamble, Alexander S. D., Bigg, Jessica L., Pignanelli, Christopher, Nyman, Danielle L. E., Burr, Jamie F., Spriet, Lawrence L.
Format: Article
Language:English
Subjects:
Acceleration
Hockey
Humans
Linear Models
Lipopolysaccharides
Reproducibility of Results
Team sport
Technology
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Summary:This study determined the reliability and validity of a Kinexon local positioning system (LPS) for measuring external load in ice hockey players during an on-ice session. Fourteen ice hockey players (25.1 y, 78.6 kg, 176.9 cm) wore two LPS sensors to examine the inter-sensor reliability of the LPS during an on-ice session, and LPS speed and acceleration were measured during 40 m linear on-ice sprints and compared to a previously validated robotic sprint device to examine LPS accuracy. The coefficient of variation (CV), standard error of measurement (SEM), and intra-class correlation coefficient (ICC) were calculated for each LPS measure. Pearson's correlations, simple linear regressions, and Bland-Altman plots were used to test the agreement and relationship between the two systems. Statistical significance was determined at p 
ISSN:1746-1391
1536-7290
DOI:10.1080/17461391.2022.2032371