Variability of GPS units for measuring distance in team sport movements.

  title={Variability of GPS units for measuring distance in team sport movements.},
  author={Denise H Jennings and Stuart J. Cormack and Aaron J. Coutts and Luke J Boyd and Robert J. Aughey},
  journal={International journal of sports physiology and performance},
  volume={5 4},
PURPOSE To examine the difference in distance measured by two global positioning system (GPS) units of the same model worn by the same player while performing movements common to team sports. METHODS Twenty elite Australian football players completed two trials of the straight line movement (10, 20, 40 m) at four speeds (walk, jog, stride, sprint), two trials of the changes of direction (COD) courses of two different frequencies (gradual and tight), and five trials of a team sport running… CONTINUE READING


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