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    The validity of a non-differential global positioning system for assessing player movement patterns in field hockey.

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    Authors
    MacLeod, Hannah
    Morris, John
    Nevill, Alan M.
    Sunderland, Caroline
    Issue Date
    2009
    
    Metadata
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    Abstract
    Nine games players (mean age 23.3 years, s¼2.8; height 1.73 m, s¼0.08; body mass 70.0 kg, s¼12.7) completed 14 laps of a measured circuit that incorporated intermittent running and directional changes, representative of the movements made by field hockey players during match-play. The distances and speeds recorded by a global positioning satellite (GPS) system (Spi EliteTM) were compared statistically with speed measurements made using timing gates and distances measured using a calibrated trundle wheel, to establish the criterion validity of the GPS system. A validation of the speed of movement of each participant separately was also made, using data from each timing gate, over a range of speeds. The mean distance recorded by the GPS system was 6821 m (s¼7) and the mean speed was 7.0 km h71 (s¼1.9), compared with the actual distance of 6818 m and recorded mean speed of 7.0 km h71 (s¼1.9). Pearson correlations (r) among timing gate speed and GPS speed were 0.99 (P50.001) and the mean difference and 95% limits of agreement were 0.0+0.9 km h71. These results suggest that a GPS system (Spi EliteTM) offers a valid tool for measuring speed and distance during match-play, and can quickly provide the
    Citation
    Journal of Sports Sciences, 27(2): 121-128
    Publisher
    Routledge (Taylor & Francis)
    Journal
    Journal of Sports Sciences
    URI
    http://hdl.handle.net/2436/50593
    DOI
    10.1080/02640410802422181
    Additional Links
    http://www.informaworld.com/smpp/content~db=all?content=10.1080/02640410802422181
    Type
    Journal article
    Language
    en
    ISSN
    02640414
    1466447X
    ae974a485f413a2113503eed53cd6c53
    10.1080/02640410802422181
    Scopus Count
    Collections
    Faculty of Education, Health and Wellbeing

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