Effects of re-warm-up protocols on the physical performance of soccer players: A systematic review with meta-analysis
This systematic review aimed to (1) identify and summarize studies that have examined the effects of re-warm-up (RWU) protocols on the physical performance of soccer players (vertical jump height and sprint time) and (2) establish a meta-comparison between performing a re-warm-up and not performing
Cognitive and Physical Effects of Warm-Up on Young Soccer Players
This study analyzed the effects of with (WC) or without conducting a warm up on youth soccer players immediately before performing physical and cognitive tests. Fourteen youth soccer player (age 11.64 ± 0.50) participated in a counterbalanced cross-sectional study in which three conditions were
The role of mental fatigue in soccer: a systematic review
Because of the role of mental fatigue in the development of elite soccer players, it has been a topic of interest for researchers in the last decades. First, we aim to shed light on the literature published about mental fatigue in soccer in the last 10 years. Second, based on the results obtained, w
Development of an innovative method for evaluating a network of collective defensive interactions in football
Social network analysis (SNA) has been increasingly applied to performance analytics in team sports, seeking to better understand the dynamic properties of competitive interactions. Despite considerable potential to analyze individual (micro) and team (macro) behavioral patterns of play, there are i
Internal and External Load Variations in Young Students: Comparisons between Small-Sided Games and Small-Sided Games Combined with Strength Training during Physical Education Classes
The purpose of this study was to compare the effects of internal and external load in soccer small-sided games (SSGs) and a strength program based on CrossFit combined with SSGs for 7 weeks. Fifty-five students participated in this research (age: 9.04 ± 0.19 years) and were randomly assigned to SSG
Tactical behaviour differences of high and low-performing youth soccer players in small-sided and conditioned games
This study aimed to compare the quantity and quality of tactical actions of high- and low-performing players in two small-sided and conditioned games: (1) standard 3v3 plus goalkeepers, featuring equality for both teams, and; (2) numerical superiority in the offensive phase with two joker players in
Do youth soccer players with different tactical behaviour also perform differently in decision-making and visual search strategies?
The study aimed to compare the decision-making and visual search strategies of young soccer players between two groups based on the results on-field specific tactical test. Ninety youth male soccer players (14.0 ± 1.06 years) affiliated to regional Brazilian clubs participated in this study (U-1
Development of Tactical Decision-making Skills in Youth Soccer Players: Macro- and Microstructure of Soccer Developmental Activities as a Discriminant of Different Skill Levels
Decision-making in soccer is considered an important factor for soccer players achieve high-performance level. Studies in several sports indicated that tactical decision-making skills are necessary for skilful performance. We aimed to analyse whether soccer players with different levels of decision-
Effects of 6 Weeks Direct Instruction and Teaching Games for Understanding Programs on Physical Activity and Tactical Behaviour in U-12 Soccer Players
The purpose of this study was to compare the effects of 6 weeks direct instruction and teaching games for understanding (TGfU) programs on the decision-making and execution (post-interventions), as well, as on the physical activity (PA) levels during sessions. Thirty under-12 football players partic
Accelerometry-Measured Physical Activity in Amateur Footballers. Is It Enough to Obtain Health Benefits?
Amateur football is played by millions of individuals worldwide, but it has been scarcely researched (almost no studies have targeted this sport). There seems to be a need to fill this gap, because it has an impact in these individuals’ health status. The aim of our research was to uncover amateur