Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/10432
Title: Accuracy and reliability of SPI ProX global positioning system devices for measuring movement demands of team sports
Authors: Köklü, Yusuf
Arslan, Yunus
Alemdaroğlu, Utku
Duffield, R.
Keywords: Geographic information systems
Movement dimensional measurement accuracy
athletic performance
follow up
geographic information system
human
male
movement (physiology)
normal human
physiology
reproducibility
soccer
standards
task performance
young adult
Athletic Performance
Follow-Up Studies
Geographic Information Systems
Healthy Volunteers
Humans
Male
Movement
Reproducibility of Results
Soccer
Task Performance and Analysis
Young Adult
Publisher: Edizioni Minerva Medica
Abstract: Aim: The aim of this study was to determine the accuracy and reliability of SPI ProX global positioning system (GPS) devices for measuring movement at various speeds and movement patterns as evident in team sport demands. Methods: Eleven amateur soccer players performed a 40 m straight sprint test (with 10-20-30 m split times), a zigzag test, 30 m walking, jogging and moderate intensity runs. Results: Results indicated that the SPI ProX GPS measurements showed acceptable accuracy for all movement patterns for distance (coefficient of variation [CV]=0.14% to 3.73%; 95% ratio limits of agreement [95% ratio LOA]=0.97 x/÷ 1.09 to 1.00 x/÷ 1.05) and speed (CV=4.22% to 9.52%; 95%LOA=-0.17±1.70 km h-1 to 2.30±1.17 km h-1) compared with the measured distance and speed determined from timing gates, respectively. Furthermore, acceptable reliability of SPI ProX GPS measures for distance (CV=0.34% to 3.81%; 95%LOA=-0.09±0.23 m to -0.34±2.31 m) and speed (CV=3.19% to 6.95%;95%LOA=-0.05±3.90 km h-1 to 0.42±3.68 km h-1) were also evident. Conclusion: Whilst SPI ProX GPS devices were within acceptable ranges of reliability, they remained signiicantly different to criterion measures of team sport movement demands.
URI: https://hdl.handle.net/11499/10432
ISSN: 0022-4707
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Spor Bilimleri Fakültesi Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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