Assessing the accuracy and reliability of the GPEXE to determine the time course of speed and acceleration
In recent years the use of tracking systems has become widespread in team sports monitoring. The technology in this field improved rapidly, the costs have become affordable and the researchers have investigated various aspects of this topic, highlighting the advantages and the limits of these systems. One of the most common of them is the Global Navigation Satellite System receiver (commonly referred to simply as a GPS) which allow to receive informations from satellites and calculate position and speed.
The research in this field was initially focused on the total distance covered (assuming that this was related to the overall energy expenditure of the player); a little later, the distance covered in different speed categories was addressed (assuming that the higher was the spe...
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