Monitoring training and match load with automated tracking systems has become common practice in elite team sports and may be a useful aid in achieving adequate load management. The aim of this thesis was to determine whether electronic tracking technology (i.e. LPM) could provide accurate measures of more recently emphasized external load variables (i.e. acceleration, deceleration and estimated metabolic power) and to what extent these variables could provide additional insight into the training practices and fitness of elite football players. This epilogue first provides a brief summary of the previous research chapters, followed by the main conclusions. Next, some important limitations and practical implications of the presented results will be discussed. Finally directions for future research will be identified. Table of contents Chapter 1 General introduction Chapter 2 Measuring acceleration and deceleration in football-specific movements using a Local Position Measurement (LPM) system Chapter 3 Measured and estimated energy cost of constant and shuttle running in football players Chapter 4 Quantification of in-season training load relative to match load in professional Dutch Eredivisie football players Chapter 5 Validity and reliability of 6-a-side small-sided game locomotor performance in assessing physical fitness in football players Chapter 6 Epilogue
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