Special topics

Special topics

Fri

02

Jun

2023

The Development of a Return to Performance Pathway: A Professional Soccer Player Returning From A Multi-Structural Knee Injury

This case describes a professional soccer player returning to match play (English CL) following a medial meniscectomy that occurred during the rehabilitation after Anterior Cruciate Ligament (ACL) reconstruction.

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Tue

30

May

2023

Starters and non-starters soccer players in competition: is physical performance increased by the substitutions?

Non-starters soccer players have a great role within the team, being indispensable to reduce fatigue, as

well as to maintain and increase the team’s performance during the match. This study analyzed the physical performance of the starters (STA) and non-starters players (NOP) during competitive soccer matches.

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Thu

25

May

2023

External load profile during different sport‑specific activities in semi‑professional soccer players

The aim of this study was to investigate the external load (EL) indicators differences in players of different playing positions (central backs CB, external strikers ES, fullbacks FB, midfielders MF, strikers ST, wide midfielder WM) between and within different sport-specific tasks and official matches.

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Tue

23

May

2023

Effect of Increasing the Number of Substitutions on Physical Performance during Periods of Congested Fixtures in Football

This study aimed to evaluate the impact on physical demands induced by FIFA’s new rule implemented based on the number of substitutions caused by COVID-19.

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Mon

22

May

2023

The Influence of Pitch Dimensions during Small-Sided Games to Reach Match Physical and Physiological Demands on the Soccer Players

The aims of this study were to (i) analyze the physical and physiological responses of four matches competition and (ii) to investigate the relationships among three different pitch dimensions of small-sided game (SSG) on the youth soccer players.

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Wed

17

May

2023

Age and Maturation Matter in Youth Elite Soccer, but Depending on Competitive Level and Gender

This study aimed to explore the relevance of the relative age effect (RAE), maturity status and anthropometry, and their influence on coaches’ assessment of players’ performance, analyzing both genders and different types of academies (elite vs. non-elite only male displayed).

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Tue

16

May

2023

Relationship between Objective and Subjective Fatigue Monitoring Tests in Professional Soccer

The purpose of this study was to evaluate the relationships between objective fatigue variables (Squat Jump (SJ) and Countermovement Jump (CMJ)) measured on day-2 to the game and subjective fatigue (Rating Perceived Exertion (RPE) measured on day-3 to the game and Hooper Index (HI) measured on day-2).

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Sun

14

May

2023

Do Repeated Sprints Affect the Biceps Femoris Long Head Architecture in Football Players with and without an Injury History?

The aim was to compare the biceps femoris long head (BFlh) architecture between football players with (twelve) and without (twenty) history of BFlh injury before and after a repeated sprint task. 

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Wed

10

May

2023

Weekly External Load Performance Effects on Sports Injuries of Male Professional Football Players

This prospective study aimed to examine in detail the effects of sports injuries on professional football players’ weekly external load performances.

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Tue

09

May

2023

Soccer academy practitioners’ perceptions and application of bio-banding

The primary aims of this study were to examine the application of maturity status bio-banding within professional soccer academy programmes and understand the methods employed, the intended objectives, and the potential barriers to bio-banding.

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Thu

04

May

2023

Effect of a Four-Week Soccer Training Program Using Stressful Constraints on Team Resilience and Precompetitive Anxiety

The present study examined the effects of stressful constraints during soccer trainings on psychological skill development and internal load when compared with control (non-stressful) trainings.

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Tue

02

May

2023

Monitoring training load in youth players: effects of a six-week training program and the association between external and internal loads

This study examined the effects of a six-week preparatory training program on physical performance and physiological adaptations in junior soccer players. Additionally, we investigated whether a relationship existed between external and internal loads.

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Wed

26

Apr

2023

Warm-up optimization in male soccer players: A comparison of SSG and traditional warm-up routines on physical fitness qualities

The aim of this study was to compare the effects of small-sided soccer games (SSSGs) and traditional warm-up (TWU) routines on physical fitness qualities in soccer players.

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Tue

25

Apr

2023

Contextualised high-intensity running profiles of elite football players with reference to general and specialised tactical roles

The present study aimed to contextualise physical metrics with tactical actions according to general and specialised tactical roles.

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Sun

23

Apr

2023

Positional and temporal differences in peak match running demands of elite football

Temporal changes in the total running demands of professional football competition have been well documented, with absolute running demands decreasing in the second half. However, it is unclear whether the peak match running demands demonstrate a similar decline.

 

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Fri

21

Apr

2023

Effects of Game Weekly Frequency on Subjective Training Load, Wellness, and Injury Rate in Male Elite Soccer Players

The aim was to compare the effects of playing one or two games per week on subjective perceived exertion (RPE) and (RPE-based) training load, monotony index, sleep, stress, fatigue, and muscle soreness (Hooper index), total mood disturbance, and injury rate in elite soccer players.

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Tue

18

Apr

2023

Effects of match contextual factors on internal and external load in elite Brazilian professional soccer players through the season

This study aimed to investigate the effects of contextual match factors (quality of opposition, match outcome, change of head coach or playing style) on internal and external load in elite Brazilian professional soccer players, considering the total and effective playing time.

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Mon

17

Apr

2023

Workloads of Different Soccer-Specific Drills in Professional Players

The objective of the present study was to assess the workload of soccer-specific drills in professional players over a two-season period in an established context.

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Thu

13

Apr

2023

Workloads of Different Soccer-Specific Drills in Professional Players

The objective of the present study was to assess the workload of soccer-specific drills in professional players over a two-season period in an established context.

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Thu

13

Apr

2023

How do soccer players sprint from a tactical context? Observations of an English Premier League soccer team

The aim of this study was to quantify and tactically contextualise (i.e., phase of play and tactical outcome [TO]) sprints (≥7.0 m/s) of an English Premier League (EPL) soccer team during match-play.

 

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Mon

10

Apr

2023

The influence of sprint performance, acceleration, and deceleration mechanical properties on change of direction ability in soccer

The study investigated the relationship between short sprint performance and mechanical parameters obtained during the acceleration and deceleration tasks with the change of direction (COD) performance in female and male soccer players.

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Thu

06

Apr

2023

The congested International Match Calendar in football: Views of 1055 professional male players

The International Match Calendar congestion affects players recovery. The views of a worldwide cohort of professional football players is shared in this communication.

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Thu

30

Mar

2023

Testing the effects of 4-week training programs based on extreme and medium-sided soccer games

This study tested the effects of two training programs (1v1 vs. 5v5) on the physical fitness adaptations of youth soccer players. In specific, it was analyzed the effects of the training programs on the 5–0–5 change-of-direction time (5–0–5 time), countermovement jump (CMJ), and final velocity in the 30–15 Intermittent Fitness test (VIFT).

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Wed

29

Mar

2023

Effects of Age and Playing Tactics on the Individual Tactical Behavior in U10 and U12 Elite Spanish Soccer Players

The aim of this paper was to explore the effects of age and playing tactics on the individual tactical behavior and performance in young soccer players.

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Tue

28

Mar

2023

Physical Fitness Variations between Those Playing More and Those Playing Less Time in the Matches in Youth Soccer Players

The purpose of this study was (i) to compare two groups (players with more vs. less match play time) regarding body composition, vertical and horizontal jumping performance, and aerobic capacity; and (ii) to test the relationships between physical fitness and play time.

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Mon

27

Mar

2023

Physical Impact of a Typical Training Session with Different Volumes on the Day Preceding a Match in Academy Soccer Players

The present study aimed to determine the physical impact of different training durations on MD-1 on the subsequent matchday performance (MD).

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Thu

23

Mar

2023

Genetic Variations between Youth and Professional Development Phase English Academy Football Players

The purpose of this study was to examine differences in the genotype frequency distribution of thirty-three single nucleotide variants (SNVs) between youth development phase (YDP) and professional development phase (PDP) academy football players.

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Wed

22

Mar

2023

Effect of playing position and microcycle days on the acceleration speed profile of elite football players

The aim of this study was to analyse the differences in the A–S profile of elite football players induced

by playing position and the microcycle day.

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Fri

17

Mar

2023

Associations among Maturity, Accumulated Workload, Physiological, and Body Composition Factors in Youth Soccer

The purposes of this study were: (i) to analyze the correlation between accumulated workload (AW)—based on season periods—with maturity, linear sprints, maximum oxygen uptake (VO2max), maximum heart rate, and body composition; and (ii) to compare the playing positions based on the mentioned parameters.

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Wed

15

Mar

2023

An evidence-based approach to assessing the effectiveness of training regimen on athlete performance: Youth soccer as a case study

Athletic performance data are modeled in an effort to better understand the relationship between both hours spent training and a measurement of “commitment” to that training, and improvements in performance. Both increased training time and greater commitment were predicted to produce larger increases in performance improvement, and commitment was predicted to be the more important determinant of improvement.

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Tue

14

Mar

2023

Shortcomings of applying data science to improve professional football performance: Takeaways from a pilot intervention study

Existing research using tracking data has mostly focused on what occurred on the pitch, such as the determinants of effective passing. There have yet to be studies attempting to use findings from data science to improve performance.

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Wed

08

Mar

2023

Decline in Running Performance in Highest-Level Soccer: Analysis of the UEFA Champions League Matches

This study aimed to examine match running performance across 15-min match periods for players on different playing positions.

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Mon

27

Feb

2023

Biochemical and Physical Performance Responses to a Soccer Match after a 72-Hour Recovery Period

The aims of this study was to determine the biochemical and physical performance responses to a soccer match after a 72-h recovery period.

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Fri

17

Feb

2023

Overestimation of maximal aerobic speed by the Université de Montréal track test and a 1500-m-time trial in soccer

The aim was 1) to compare two different cardiopulmonary exercise testing (CPET) based methods to assess maximal aerobic speed (MAS) and 2) to investigate the convergent validity of two common field tests to estimate MAS in footballers.

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Thu

16

Feb

2023

From Junior to Elite in Soccer: Exploring the Relative Age Effect and Talent Selection in Spanish Youth National Teams

This study has the twofold purpose of analyzing RAE in Spanish youth national soccer teams and examining the prediction value of being selected for national youth teams to be a professional.

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Tue

14

Feb

2023

Between-match variation of peak match running intensities in elite football

The current study aimed to quantify the between-match variability in peak match running intensities across discrete moving average durations (1–10 min).

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Mon

13

Feb

2023

Comparison of training and match load between metabolic and running speed metrics of professional footballers by playing position

The aims of this study were to compare the training and match load of professional soccer players according to the playing position, and analyse the relationship between the metabolic and running speed metrics.

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Tue

07

Feb

2023

Do conditioning focused various-sided training games prepare elite youth male soccer players for the demands of competition?

This study aimed to compare the relative and peak demands of conditioning-focused various sided training games (VSG) to competition matches in elite youth male soccer players according to playing position.

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Mon

06

Feb

2023

The influence of maturity on recovery and perceived exertion, and its relationship with illnesses and injuries in young soccer players

The aim of this study was to investigate the association of internal load markers and recovery status with risk of illnesses and non-contact injuries in young soccer players characterised by different maturity status.

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Thu

02

Feb

2023

Internal and external load during 8v8, 5v5 and 3v3 in elite youth mal football players

This study aimed to investigate internal and external load in three different game formats (8v8, 5v5, 3v3 with 80 m2 per player) of small-sided games (SSG) in Chinese elite youth football players.

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Wed

01

Feb

2023

Effect of training on parathyroid hormone and bone turnover marker profile in relation to vitamin D supplementation in footballers

The aim of the study was to assess the impact of vitamin D supplementation and regular physical activity on 25-hydroxyvitamin D [25(OH)D], parathyroid hormone (PTH) and bone turnover marker concentration in footballer.

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Wed

11

Jan

2023

Effects of mental fatigue on the psychophysiological responses, kinematic profiles, and technical performance in small-sided games

The purpose of this study was to assess the effects of mental fatigue (MF) on the psychophysiological responses, kinematic profiles, and technical performance of young soccer players in small-sided games (SSGs).

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Thu

05

Jan

2023

Effects of playing 1 vs 3 matches in a one-week period on physical performance in young soccer players

The aim of this study was to analyse the effects of playing 1 vs 3 matches in a one‑week period on physical performance in young soccer players.

 

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Tue

03

Jan

2023

The soccer season: Performance variations and evolutionary trends

In this review we examined variations and evolutionary trends in endurance-related parameters of professional players.

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Sun

01

Jan

2023

The soccer season: Performance variations and evolutionary trends

The physiological demands of soccer challenge the entire spectrum of the response capacity of the biological systems and fitness requirements of the players. In this review we examined variations and evolutionary trends in neuromuscular parameters of professional players.

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Thu

22

Dec

2022

Influence of Tactical Behaviour on Running in the 3 Most Successful Soccer Teams During the Season of the Spanish First Division

The purpose of this study was to analyze the influence of tactical behavior on physical performance of the three best Spanish soccer teams.

 

 

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Tue

20

Dec

2022

External and Internal Training Loads for Intensive and Extensive Tactical-Conditioning in Soccer Small Sided Games

This study aimed to investigate the external and internal training loads (ITLs; session-RPE method) of 18 elite U20 soccer players undertaking a tactical-conditioning training program with special reference to small-sided games (SSGs). 

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Tue

20

Dec

2022

High metabolic load distance in professional soccer according to competitive level and playing positions

This study aimed to examine the Spanish professional soccer players’ high metabolic load distance profile, comparing competitive level and playing positions.

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Thu

15

Dec

2022

Analysis of the Association between Internal and External Training Load Indicators in Elite Soccer: Multiple Regression Study

The aim of this study was to identify the external training load (ETL) variables that are most influential on the session rating of perceived exertion (sRPE) during elite soccer training.

 

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Tue

13

Dec

2022

Effects of Eight-Week Circuit Training with Core Exercises on Performance in Adult Male Soccer Players

The study aims to investigate the effects of circuit training with a core exercise program on physical performance in competitive amateur soccer players.

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Mon

12

Dec

2022

Latest research in football - week 47 -2022

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:

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Sat

10

Dec

2022

Weekly Training Load across a Standard Microcycle in a Sub-Elite Youth Football Academy: A Comparison between Starters and Non-Starters

The aim of this study was to compare the weekly training load on a standard microcycle in starters (START) and non-starters (NoSTART) of a sub-elite youth football academy.

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Fri

09

Dec

2022

Effects of an experimental short-time high-intensity warm-up on explosive muscle strength performance in soccer players: A pilot study

This study evaluated the effects of an a short time warm-up consisting of a small number of intermittent high-intensity sprints on explosive muscle strength performance in soccer players and to identify recovery times after performing the sprints. Reliability of a smartphone app for jumping performance was established.

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Wed

07

Dec

2022

Effect of Small-Sided Games with and without the Offside Rule on Young Soccer Players: Reliability of Physiological Demands

This study aimed to compare the physiological demand between three vs. three small-sided games (SSGs) with (3vs.3WITH) and without (3vs.3WITHOUT) the offside rule, as well as the within and between-session reliability.

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Tue

06

Dec

2022

Season Match Loads of Under-23 Soccer Team: Differences between Different Starting Statuses throughout the Season

This study aimed to quantify the external match loads (EMLs) of a Portuguese U23 soccer team, competing at the highest national level for the age group, comparing players with different starting status throughout a competitive season and specific blocks.

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Fri

25

Nov

2022

Genetic profiles to identify talents in elite endurance athletes and professional football players

The genetic profile that is needed to identify talents has been studied extensively in recent years. The objective of this investigation was to approach, the study of genetic variants in several polygenic profiles and their role in elite endurance and professional football by comparing the allelic and genotypic frequencies to the non-athlete.

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Thu

24

Nov

2022

What are the significant turning demands of match play of an English Premier League soccer team?

This study aimed to compare the significant turning demands of English Premier League soccer match play relative to playing position using LiDAR technology.

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Tue

22

Nov

2022

Training elite youth soccer players: area per player in small-sided games to replicate the match demands

The aim was to determine the area per player (ApP) in small- (SSG) or large-sided games (LSG) to replicate the official match demands in elite youth soccer players.

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Mon

21

Nov

2022

Effect of an Energy Drink On Muscle and Liver Damage Enzymes, And Cardiovascular Indices in Soccer Players

This study aimed to investigate the acute effects of hype energy drink (HED) to ameliorate liver and muscle damage enzymes and cardiovascular indices-induced by a soccer match.

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Thu

17

Nov

2022

FIFA 2022 World Cup Players and Teams transfer value

The FIFA 2022 World Cup is about to kick off and it feels interesting to have a closer look on the estimated transfer value running around on the pitch.

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Thu

17

Nov

2022

High-speed Training in a Specific Context in Soccer: Transition Games

The aims of this study were to compare the load of three tasks designed to train features of soccer: a transition game (TG), a small sided game (SSG) with a change of playing area, and a large-sided game (LSG).

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Tue

15

Nov

2022

When and how do professional soccer players experience maximal intensity sprints in LaLiga?

The purpose was to 1) examine the periods in which maximal intensity sprints occurred and 2) analyze the maximal intensity sprints registered in match play considering the effect of playing position and other contextual variables.

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Fri

11

Nov

2022

The Influence of Weekly Sprint Volume and Maximal Velocity Exposures on Eccentric Hamstring Strength in Professional Football

The purpose was to examine the relationship between sprinting and eccentric hamstring strength by monitoring total weekly sprint distance and weekly efforts > 90% and >95% of maximum velocity (VMax).

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Wed

09

Nov

2022

Clustering ball possession duration according to players’ role in football small-sided games

This study aimed to explore which offensive variables best discriminate the ball possession duration according to players specific role (defenders, midfielders, attackers) during a 3vs3+Gk football small-sided games (SSG).

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Tue

08

Nov

2022

Workload is associated with the occurrence of non-contact injuries in professional male footballers

This cohort study describes the relationship between workload parameters and the occurrence of non-contact injuries, during weeks with high and low workload in professional soccer players throughout the season.

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Fri

04

Nov

2022

Analyzing the within and between Players Variability of Heart Rate and Locomotor Responses in SSG Performed Repeatedly over a Week

The purpose of this study was to analyze the between-session and within-player variability of heart rates and locomotor responses of young male soccer players in 3v3 and 5v5 small-sided game formats.

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Wed

02

Nov

2022

Influence of Tactical Behaviour on Running in the 3 Most Successful Soccer Teams During the Season of the Spanish First Division

The purpose of this study was to analyze the influence of tactical behavior on physical performance of the three best Spanish soccer teams.

 

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Mon

31

Oct

2022

Quantification of Pre-Season and In-Season Training Intensity across an Entire Competitive Season of Professional Footballers

The aim of this study was to quantify the training load in two microcycles (Ms) from pre- and another two from in-season and to analyze playing position influences on the load experienced by professional soccer players.

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Thu

27

Oct

2022

Effect of 3 vs. 3 SSG on Various Performance, Inflammatory, Muscle Damage and Hormonal Indicators in Semi-Professional Players

The purpose of this study was to examine the effect of a soccer small-sided game (SSG) on performance, inflammatory, muscle damage and hormonal indicators.

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Wed

26

Oct

2022

Physiological and locomotor demands during small‑sided games are related to match demands and physical fitness?

The purpose of the study was: (i) to analyze the relationships of physiological and locomotor demands between small-sided games (3v3 and 5v5) and official matches (11v11); (ii) to analyze the relationships between small-sided games demands and the physical fitness of youth soccer players.

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Mon

24

Oct

2022

Immediate effect of stabilization exercises versus conventional exercises of the trunk on dynamic balance among trained footballers

Trunk stability is key in controlling body balance and movements. Trunk Stabilization Exercises (TSE) and Conventional Trunk Exercises (CTE) are performed to improve dynamic balance. The aim was to compare the immediate effect of TSE with that of CTE on dynamic balance in trained soccer players.

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Wed

19

Oct

2022

Can high-intensity interval training and small-sided games be effective for improving physical fitness after detraining?

The aim of this study was two-fold: (i) analyze the within-group physical fitness adaptations promoted by a detraining period (4 weeks) followed by an intervention period (4 weeks) using small-sided games (SSGs) or running-based high intensity interval training (HIIT); and (ii) analyze the between-group differences aiming to identify the effectiveness of each training intervention on the physical fitness of youth male soccer players.

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Mon

17

Oct

2022

The Influence of In-Game Changes of Tactical Formation in Professional Soccer

This study aimed to examine the effects of in-game changes in tactical formation on match performance and to analyze coach-specific differences.

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Thu

13

Oct

2022

Effects of small‑sided games and running‑based high‑intensity interval training on body composition and fitness in U19 female soccer players

The aim of this study was to compare the effects of small-sided games (SSGs) and running-based high-intensity interval training (HIIT) on the body composition and physical fitness of youth female soccer players.

 

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Thu

13

Oct

2022

Classified metabolic power‑based measures in professional football players: comparison between playing positions and match period

The aim of this study was (i) provide reference data of metabolic power-based measures during professional football matches; and to (ii) analyze the between-position and between-halves differences of power-based measures during professional football matches.

 

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Mon

10

Oct

2022

Seasonal variations of the relationships between measures of training monotony and strain in professional soccer players

The purposes of this study were (a) to determine the variations in internal and external measures of training monotony (TM) and strain (TS) in professional soccer players according to periods of the season and playing positions, and (b) to analyze the relationships between internal and external measures of TM and TS.

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Thu

06

Oct

2022

Etiology and Recovery of Neuromuscular Function Following Academy Soccer Training

To profile the etiology and recovery time-course of neuromuscular function in response to a mixed-content, standard training week in professional academy soccer players. We concurrently examined physical performance, cognitive function, and perceptual measures of mood and wellness states to identify a range of simple tests applied practitioners could use in the field as surrogate measures of neuromuscular function.

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Wed

05

Oct

2022

The ability of energy recovery in professional soccer players is increased by individualized low-intensity exercise

The aim of this study was to investigate whether individualized low-intensity exercise (ILIE) within the recovery domain before lactate threshold 1 (LT1) improves energetic recovery and general endurance capacity in professional soccer players.

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Mon

03

Oct

2022

The Effects of Physiological Demands on Visual Search Behaviours During 2 vs. 1 + GK Game Situations in Football

We examined the effect of physiological workload on gaze behaviour during defensive performance in 2 vs. 1 + goalkeeper game situations in football.

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Tue

27

Sep

2022

Amplifying the effects of adding extra players during association football game-based scenarios

This study aimed to compare U18 association football players’ performance when manipulating the number of teammates and opponents during football game-based practices.

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Mon

26

Sep

2022

The effect of mid‑season coach turnover on running match performance and match outcome in professional soccer players

The aim of this research was to examine the physical match performance and match outcome before and after coach turnover in professional soccer teams compared with a control group containing coaches working continuously for 3 consecutive seasons.

 

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Fri

16

Sep

2022

Does Technical Match Performance in Professional Soccer Depend on the Positional Role or the Individuality of the Player?

The aim of the study was to examine the impact of the positional role and the individuality on the technical match performance in professional soccer players.

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Tue

13

Sep

2022

Comparison of measurements of external load between professional soccer players

This study’s aims were to describe, week(w)-by-week, workload and time motion analysis between starter and non-starter professional soccer players based on different periods (i.e., pre-, early-, mid-, and end-season) of a full-season (Persian Gulf Pro League, 2019–2020).

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Fri

09

Sep

2022

Perceptual-Cognitive Tasks Affect Landing Performance of Soccer Players at Different Levels of Fatigue

This study explored the effect of perception-cognitive tasks interventions on male soccer players’ landing mechanisms at different levels of fatigue.

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Tue

06

Sep

2022

Inter-limb asymmetry in youth elite soccer players: Effect of loading conditions

The present study aimed to investigate the effects of changes in resistance loads using different assessment modalities on the magnitude and the direction of inter-limb asymmetry within the same leg.

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Sun

04

Sep

2022

Physical Demands during the Game and Compensatory Training Session (MD + 1) in Elite Football Players Using GPS

The aims of this study were to analyze the differences of physical demands of non-starter players regarding the playing time during the competition and to evaluate the physical demands of the compensatory training (MD + 1C) for substitute players in elite football.

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Thu

01

Sep

2022

The influence of maturation, fitness, and hormonal indices on minutes played in elite youth soccer players: a cross‑sectional study

The main purpose of this study was to investigate the relationships between minutes played (MP) with maturity status, fitness, and hormonal levels, and to quantify their influence on minutes played.

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Wed

31

Aug

2022

Youth International Experience Is a Limited Predictor of Senior Success in Football: The Relationship Between U17, U19, and U21 Experience and Senior Elite Part

Athlete participation in youth international competitions is often regarded as crucial to the attainment of future success. However, the link between participation and performance in sports at youth levels and senior levels is unclear at best.

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Fri

26

Aug

2022

Analysis of team success based on match technical and running performance in a professional soccer league

The aims of this study were to (1) determine the match technical and running performance required by different teams based on their final ranking position in a professional soccer league; (2) analyze the correlation between teams’ success at the end of the season and variables related to match technical and running performance.

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Thu

18

Aug

2022

Recovery During a Congested Schedule and Injury in Professional Football

The current study analyze the relationships between the recovery kinetics experienced by professional football players and non-contact injury.

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Wed

17

Aug

2022

Relationships Between Internal and External Load Measures and Fitness Level Changes in Professional Soccer Players

The aim of the present study was to investigate the dose-response relationships between load measures and changes in aerobic fitness and intermittent running capacity among a large cohort of professional soccer players.

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Tue

16

Aug

2022

The influence of relative playing area and player numerical imbalance on physical and perceptual demands in soccer small-sided games

This study aimed to examine physiological, mechanical and perceptual loading in small-sided games (SSG) using unbalanced player numbers.

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Fri

05

Aug

2022

Collective behaviour in high and low-level youth soccer teams

The objectives of the current study are to investigate differences in the collective behaviour of youth soccer teams by expertise level.

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Thu

04

Aug

2022

Physiological and Sprint Kinetics Associated With the Yo-Yo Intermittent Recovery Test Level 1 Performances in Soccer Players

The aim was to assess the true physiological kinetics (VO2 and heart-rate responses) during the YYIR1 and to evaluate the correlations between the physiological kinetics, sprint kinetics, and YYIR1 performance parameters.

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Mon

01

Aug

2022

Relationships between Fitness Status and Blood Biomarkers in Professional Soccer Players

The aim of this study was to test the changes of blood markers and physical fitness outcomes at the beginning and following the PS phase. Additionally, associations of training adaptations between blood markers and the physical fitness measures were analyzed.

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Thu

28

Jul

2022

Effects of Chronological, Relative Age, Maturation Status on Training Load and Perceived Exertion in Young Football Players

The aims of this study were 1) to analyze the influence of chronological age, relative age, and biological maturation on accumulated training load and perceived exertion in young sub-elite football players and 2) to understand the interaction effects amongst age grouping, maturation status, and birth quartiles on accumulated training load and perceived exertion in this target population.

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Wed

27

Jul

2022

Visual strategies of young soccer players during a passing test

The current study investigated gaze behavior of young soccer players during the execution of a soccer passing task.

 

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Mon

25

Jul

2022

The influence of exposure, growth and maturation on injury risk in male academy football players

Adolescence is a period of increased injury risk in youth footballers; however, no studies have considered the influence of growth-related factors and exposure time upon injury risk.

 

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Fri

22

Jul

2022

Predictors of selection into an elite youth football academy: A longitudinal study

Research regarding talent indicators that predict selection into professional academies is increasingly multi-disciplinary, though is typically cross-sectional, failing to consider whether the rate of change of those indicators influences selection. The aim of this study was to determine if longitudinal changes in talent indicators are associated with selection into a professional football academy.

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2022

Influence of the Weekly and Match-play Load on Muscle Injury in Professional Football Players

The aim of this investigation was to examine the impact of the weekly training load and the match running patterns prior to a muscle injury as potential risk factors of muscle injury in professional football players.

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