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The aim of this cohort study was two-fold: (i) to analyze within-group changes of final velocity in a 30-15 intermittent fitness test (VIFT), final velocity in a Vameval test (Vvameval), 20-m sprint and countermovement jump (CMJ); (ii) to explore the relationships between VIFT and Vvameval outcomes and their changes with internal and external loads.

The aim of the present study was to compare the acceleration, deceleration, and high-speed running profiles of players during international and domestic matches and to determine if differences were apparent across playing positions (defenders, midfielders, and attackers).

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

The aim was to determine the influence of a player’s peak/maximum running speed on the team’s final ranking position. A second aim was to investigate differences in maximum running speed among playing positions.

The aim of this study was to investigate the collective and individual responses of professional female soccer players engaged in a preseason training program with the NHE regarding eccentric knee flexor strength and biceps femoris long head fascicle length.

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

The aims of this study were to (1) quantify the external training load relative to match load in days before a subsequent international game and (2) examine the cumulative training load in relation to match load of U-17 national team soccer players.

This systematic review with a meta-analysis was conducted to compare the effects of small-sided games (SSGs)-based interventions with the effects of running-based high-intensity interval training (HIIT) interventions on soccer players’ repeated sprint ability (RSA).

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

The purpose of this study was to investigate sports injuries in younger (U9–U11) and older (U12–U13) children playing soccer at an elite level, analysing potential anthropometric and maturity risk factors. 

This study aimed to examine various biochemical biomarkers changes during a shock micro-cycle in soccer players from a university team.

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

Mental fatigue can impact physical demands and tactical behaviour in sport-related contexts. Small-sided games (SSGs) are often used to develop a specific sport-related context. This systematic review (with a meta-analysis) was conducted to compare the effects of mental fatigue vs. control conditions in terms of the total running distance and tactical behaviour of soccer players during SSGs.

Considering the perceived benefit of early recruitment and the time and resources spent developing youth players, individuals released from talent development programmes are often re-recruited by rival academies. Limited data exists on players deselected from (or reselected to) youth soccer academies.

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

This study sought to analyse the relationship between in-season training workload with changes in aerobic power (VO2max), maximum and resting heart rate (HRmax and HRrest), linear sprint medium (LSM) and short test (LSS) in U16 soccer players. An additional aim was to explain changes in fitness levels during the in-season through regression models, considering accumulated load, baseline levels, and peak height velocity (PHV) as predictors.

How did three consecutive matches with extra time affect physical performance? A case study of the 2018 football Men’s World Cup

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

The aim was to investigate the optimal pretaper duration on match running performance in a professional soccer team.

The aim was to compare an eyes-open versus an eyes-closed balance training protocol in professional soccer players with chronic ankle instability

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week:

The aim was to assess on pitch external loading of English Premier League (EPL) academy soccer players (U12-U18 age groups) over an entire competitive season.

Forbes has released its bi-annual list of the 20 most valued soccer teams.

The list includes nine teams from the English Premier League, four from the Italian Serie A, three from the Spanish La Liga, two from the German Bundesliga and one from each the Netherlands and France.

The aim was to identify the relationship between growth velocity and injury in elite-level youth footballers.

As previous literature updates, I have performed a PubCrawler search looking for football articles in NCBI Medline (PubMed) and GenBank databases. 

Following studies were retrieved for this week: