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J Sci Med Sport. 2010 May;13(3):348-9. doi: 10.1016/j.jsams.2009.01.006. Epub 2009 Jul 8.

Real-time versus post-game GPS data in team sports.

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Centre for Ageing, Rehabilitation, Exercise & Sport Science, School of Sport and Exercise Science, Victoria University, Australia.


Real-time (RT) GPS is used to monitor performance during Australian Football matches. Typically athlete targets monitored in RT are set from post-game (PG) data. The validity of RT compared to PG data is not yet known. This study compared RT data for key parameters to those obtained PG, using MinimaxX GPS. RT was different to PG for jog 4.2-5.0, run 5.0-6.9, sprint 6.9-10.0 m s(-1), and total distance (CV=6.4-19.6%). The signal to noise ratio was low for jog and run distance. For sprint noise exceeded the signal, with the opposite true for total distance. Caution must be applied if using RT data to monitor performance, especially if targets are set for players using PG data.

[Indexed for MEDLINE]

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