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Tytuł pozycji:

The validity and reliability of a 5-hz gps device for quantifying athletes’ sprints and movement demands specific to team sports

Tytuł :
The validity and reliability of a 5-hz gps device for quantifying athletes’ sprints and movement demands specific to team sports
Autorzy :
Muñoz-López, Alejandro
Granero-Gil, Paulino
Pino-Ortega, José
De Hoyo, Moisés
Pokaż więcej
Temat :
Team sport
Fitness
Testing
Educación Física y Deportiva
Training
Sports medicine
RC1200-1245
Technology
Źródło :
Journal of Human Sport and Exercise, Vol 12, Iss 1, Pp 156-166 (2017)
Wydawca :
University of Alicante, 2017.
Rok publikacji :
2017
Kolekcja :
DOAJ-Articles_enriched
Repositorio_Institucional_de_la_Universidad_de_Alicante_enriched
DOAJ-Articles
Repositorio_Institucional_de_la_Universidad_de_Alicante
Język :
English
ISSN :
1988-5202
DOI :
10.14198/jhse.2017.121.13
Numer akcesji :
edsair.dedup.wf.001..b4a23e64d37c9a61ea5342d9fe41dac1
GPS systems are commonly used to analysis football performance during either trainings or matches. While many studies have investigated the validity and reliability of these devices, there is a lack of objective procedures regarding synchronization with gold standards such as real distance or timing gates. The objective of this study was to study the validity and reliability of a 5Hz GPS system (WIMU) during 10m and 30m sprints and during team sports specific movements and the reliability during very high speeds (> 30 km/h). The Total Distance (TD) BIAS for Circuit A, 10m sprint and 30m sprint were -2.73 ± 1.64 m (p < 0.001), -0.80 ± 0.58 m (p<0.001) and 0.42 ± 2.50 m (p=0.515) respectively. Average ICC for GPS speed point-to-point were 0.976 ± 0.012 and 0.991 0.003 for Circuit B and Motorized Sprints, respectively. The average BIAS compared with each unit mean laps (intra-unit reliability) results for TD, Peak-Speed and Avg-Speed were 0.00 ± 1.68, 0.00 ± 1.73 and 0.00 ± 0.33 for Circuit A, 0.00 ± 0.49, 0.00 ± 0.53 and 0.00 ± 0.77 for 10m sprints and 0.00 ± 2.34, 0.00 ± 0.76 and 0.00 ± 0.74 for 30m sprints, non-significant difference in all cases. In conclusion, despite a lower than recommended sample frequency, the WIMU GPS showed to be valid and reliable for measuring sprints at speed higher than 20 km· h-1, as well as for team sport movements. This might be practical on daily physical demands testing during training sessions.

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