Background Performance analysis research in association football has recently cusped a
paradigmatic shift in the way tactical behaviours are studied. Based on insights from system …

Background To date, athletic performance has been extensively assessed in youth soccer
players through laboratory and field testing. Only recently has running performance via time …

The aims of this study were to:(1) identify the representative external load profile of match-
play in Spanish professional soccer players by principal components analysis (PCA), and …

The aim of this study was to compare the agreement of the movement demands data during
a soccer match (total distance, distance per minute, average speed, maximum speed and …

The aim of this study was to analyse footballers' tactical behaviours from their position data,
as an effect of two contrasting pressing strategies, high-press defending and deep …

The aims of this study were to establish sources of variability in match physical performance
of professional soccer players and provide a method for monitoring individual between …

The monitoring of the high intensity activity-demands profile during official matches (OMs)
and training sessions (TSs) provides a deeper understanding of the relationship between …

The aims of this study were to describe the worst-case scenarios (WCS) in professional
soccer players calculated by fixed length and rolling average methods with regards to each …

The main aim of this work was to review the use of technological tracking methods to assess
collective spatial-positioning variables in team sports. Following the Preferred Reporting …

The aim of the study was to assess the use of different positioning systems and sampling
frequencies to measure spatial-positioning variables in team sports. Articles were selected …