Validity and reliability of Polar Team Pro GPS units for assessing maximum sprint speed in soccer players

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dc.authoridsağıroğlu, isa/0000-0003-1436-9960
dc.authoridAKYILDIZ, Zeki/0000-0002-1743-5989
dc.authoridClemente, Filipe Manuel/0000-0001-9813-2842
dc.authoridYildiz, Mehmet/0000-0003-3481-7775
dc.authorwosidClemente, Filipe Manuel/AAN-6545-2020
dc.authorwosidsağıroğlu, isa/V-6394-2017
dc.authorwosidAKYILDIZ, Zeki/AAD-7792-2021
dc.authorwosidClemente, Filipe Manuel/G-2625-2012
dc.contributor.authorSagiroglu, Isa
dc.contributor.authorAkyildiz, Zeki
dc.contributor.authorYildiz, Mehmet
dc.contributor.authorClemente, Filipe Manuel
dc.date.accessioned2024-06-12T11:08:28Z
dc.date.available2024-06-12T11:08:28Z
dc.date.issued2023
dc.departmentTrakya Üniversitesien_US
dc.description.abstractPrevious research has reported inconsistencies in the validity and reliability of different brands of global positioning systems (GPS). Therefore, it should be questioned whether GPS units measure the maximum speed measurements validly and reliably. The current study aimed to analyze the validity and reliability of Polar Team Pro GPS units (10 Hz) when used to measure maximum sprint speed. Sixteen amateur soccer players (age: 27.22 +/- 4.70 years; height: 177 +/- 6.05 cm; body mass: 73.66 +/- 5.63 kg) were tested in the 40 m sprint. Two Polar Team Pro GPS units were positioned on each player, while the radar was placed on a 1 m high tripod placed 10 m behind the starting point. The data obtained from the Polar Team Pro GPS units were compared to determine inter-unit reliability. The data obtained from one of the Polar Team Pro GPS units and radar gun (gold standard) were compared to determine validity. Good inter-unit reliability between the Polar Team Pro GPS units was reported for maximum sprint speed, with low coefficients of variation (5%-6%) and low smallest worthwhile changes (0.4 for all systems). Regarding validity, the coefficient of correlation was extremely high for maximum sprint speed (r = 0.938, p < 0.001). Moreover, measurement differences between both systems were statistically insignificant (Mean Bias error = 0.144, R-2 = 0.879, MAPE = 1.6%, MAE = 0.688, and RMSE = 0.697). Consequently, good reliability and perfect validity were observed, indicating that the Polar Team Pro GPS unit is suitable for maximum sprint speed measurements.en_US
dc.description.sponsorshipFundacxao para a Cincia e Tecnologia/Ministerio da Ciencia, Tecnologia e Ensino Superior; EU [UIDB/50008/2020]en_US
dc.description.sponsorshipThe author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: Filipe Manuel Clemente: This work is funded by Fundacxao para a Ci ncia e Tecnologia/Ministerio da Ciencia, Tecnologia e Ensino Superior through national funds and when applicable co-funded EU funds under the project UIDB/50008/2020.en_US
dc.identifier.doi10.1177/17543371211047224
dc.identifier.endpage316en_US
dc.identifier.issn1754-3371
dc.identifier.issn1754-338X
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85115046262en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage309en_US
dc.identifier.urihttps://doi.org/10.1177/17543371211047224
dc.identifier.urihttps://hdl.handle.net/20.500.14551/22451
dc.identifier.volume237en_US
dc.identifier.wosWOS:000697532800001en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSage Publications Ltden_US
dc.relation.ispartofProceedings Of The Institution Of Mechanical Engineers Part P-Journal Of Sports Engineering And Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMicroelectromechanical Systemen_US
dc.subjectGlobal Positioning Systemen_US
dc.subjectAccuracyen_US
dc.subjectPrecisionen_US
dc.subjectSports Performanceen_US
dc.subject10 Hz Gpsen_US
dc.subjectPerformanceen_US
dc.subjectFootballen_US
dc.subjectSystemsen_US
dc.subjectSporten_US
dc.titleValidity and reliability of Polar Team Pro GPS units for assessing maximum sprint speed in soccer playersen_US
dc.typeArticleen_US

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