The validity and reliability of a global positioning satellite system device to assess speed and repeated sprint ability (RSA) in athletes

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dc.contributor.author Barbero-Alvarez, Jose en_US
dc.contributor.author Coutts, Aaron en_US
dc.contributor.author Granda, Juan en_US
dc.contributor.author Barbero-Alvarez, Veronica en_US
dc.contributor.author Castagna, Carlo en_US
dc.contributor.editor en_US
dc.date.accessioned 2011-02-07T06:24:51Z
dc.date.available 2011-02-07T06:24:51Z
dc.date.issued 2010 en_US
dc.identifier 2009007175 en_US
dc.identifier.citation Barbero-Ã Lvarez Josã© et al. 2010, 'The validity and reliability of a global positioning satellite system device to assess speed and repeated sprint ability (RSA) in athletes', Elsevier, vol. 13, no. 2, pp. 232-235. en_US
dc.identifier.issn 1440-2440 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/13803
dc.description.abstract There is a limited understanding of the validity and reliability of commercially available global positioning satellite (GPS) devices for assessing repeated sprint performance in athletes. The aims of this study were to assess the convergent validity and the testa??retest reliability of a GPS device for measuring repeated sprint ability test (RSAT) variables. Two groups participated in this study, a group of 21 physical education students (age: 20.2A?2.3 years, stature: 1.75A?0.42m, body mass: 68.0A?6.8kg) and a second group 14 elite junior soccer players (age: 14.5A?1.2 years, stature: 1.60A?0.09m, body mass: 57.7A?3.8kg) volunteered to participate in this study. Convergent validity was assessed as the correlation between sprint performance (15 and 30-m) using both timing lights and a portable GPS device during a RSAT (7??30-m sprints with 30-s of active recovery). The 7??30-m RSAT testa??retest reliability using GPS device was assessed in elite junior soccer players repeating the test 1 week apart and expressing reliability as a coefficient of variation. Results showed a strong correlation between peak speed measures with the GPS device and RSAT performance measured with timing lights for the 15-m (r2=0.87, p<0.001, N=147) and 30-m (r2=0.94, p<0.001, N=147) splits, respectively. There was a low coefficient of variation for summated maximal speed (1.7%) and peak speed (1.2%) during the 7??30-m RSAT, but high variation for the percentage decrement score (36.2%). These results provide evidence to support the use of the GPS device as an alternative measure to assess repeated sprint performance but suggest a percentage decrement score is not a reliable measure of RSAT performance. en_US
dc.language en_US
dc.publisher Elsevier en_US
dc.relation.isbasedon http://dx.doi.org/10.1016/j.jsams.2009.02.005 en_US
dc.title The validity and reliability of a global positioning satellite system device to assess speed and repeated sprint ability (RSA) in athletes en_US
dc.parent Journal of Science and Medicine in Sport en_US
dc.journal.volume 13 en_US
dc.journal.number 2 en_US
dc.publocation Chatswood, NSW en_US
dc.identifier.startpage 232 en_US
dc.identifier.endpage 235 en_US
dc.cauo.name BUS.School of Leisure, Sport and Tourism en_US
dc.conference Verified OK en_US
dc.for 110602 en_US
dc.personcode 0000063557 en_US
dc.personcode 020100 en_US
dc.personcode 0000063558 en_US
dc.personcode 0000063559 en_US
dc.personcode 0000028304 en_US
dc.percentage 100 en_US
dc.classification.name Exercise Physiology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords GPS technology; High intensity exercise; Fitness assessment; Soccer; Team sports en_US


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