
Displacement v Energetic Variables on GPS Devices
The routine use of player-tracking devices to monitor training and competition loads has become standard practice in many elite international and professional team sports(Cummins, Orr, O’Connor, & West, 2013). Technologies such as global positioning system (GPS), local position measurement (LPM) and camera-based visual recognition systems are commonly used to assess competition demands and determine individual “work rates” (Polglaze, Dawson, & Peeling, 2016).