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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Show simple item record Barbero-Alvarez, JC Coutts, AJ Granda, J Barbero-Alvarez, V Castagna, C 2011-02-07T06:24:51Z 2010-01
dc.identifier.citation Journal of Science and Medicine in Sport, 2010, 13 (2), pp. 232 - 235
dc.identifier.issn 1440-2440
dc.identifier.other C1 en_US
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 testâretest 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: 20.2±2.3 years, stature: 1.75±0.42m, body mass: 68.0±6.8kg) and a second group 14 elite junior soccer players (age: 14.5±1.2 years, stature: 1.60±0.09m, body mass: 57.7±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 (7Ã30-m sprints with 30-s of active recovery). The 7Ã30-m RSAT testâretest 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 7Ã30-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.
dc.publisher Elsevier
dc.relation.isbasedon 10.1016/j.jsams.2009.02.005
dc.title The validity and reliability of a global positioning satellite system device to assess speed and repeated sprint ability (RSA) in athletes
dc.type Journal Article
dc.parent Journal of Science and Medicine in Sport
dc.journal.volume 2
dc.journal.volume 13
dc.journal.number 2 en_US
dc.publocation Chatswood, NSW en_US
dc.identifier.startpage 232 en_US
dc.identifier.endpage 235 en_US BUS.School of Leisure, Sport and Tourism en_US
dc.conference Verified OK en_US
dc.for 110602 Exercise Physiology
dc.personcode 020100
dc.percentage 100 en_US Exercise Physiology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US en_US
dc.location.activity en_US
dc.description.keywords GPS technology; High intensity exercise; Fitness assessment; Soccer; Team sports en_US
dc.description.keywords GPS technology
dc.description.keywords High intensity exercise
dc.description.keywords Fitness assessment
dc.description.keywords Soccer
dc.description.keywords Team sports
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Health
pubs.organisational-group /University of Technology Sydney/Strength - Health Services and Practice Research
pubs.organisational-group /University of Technology Sydney/Strength - Health Technologies
utslib.copyright.status Closed Access 2015-04-15 12:17:09.805752+10
utslib.collection.history Closed (ID: 3)

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