scholarly journals Soccer heading and cognitive performance in professional soccer players: One‐year longitudinal data

2020 ◽  
Vol 16 (S6) ◽  
Author(s):  
Paulo Caramelli ◽  
Mariana D. M. Lima ◽  
Giovanni B. Palma ◽  
Celso Furtado ◽  
Rodrigo P. Lasmar ◽  
...  
Keyword(s):  
Longitudinal Data ◽  
Cognitive Performance ◽  
Soccer Players ◽  
Professional Soccer ◽  
One Year ◽  
Soccer Heading

scholarly journals SOCCER HEADING AND COGNITIVE PERFORMANCE IN PROFESSIONAL SOCCER PLAYERS: TWO-YEAR LONGITUDINAL DATA

2021 ◽  
Author(s):  
Giovanni Palma ◽  
Mariana Lima ◽  
Clarisse Friedlaender ◽  
Celso Furtado ◽  
Rodrigo Lasmar ◽  
...  
Keyword(s):  
Cognitive Impairment ◽  
Cognitive Performance ◽  
Learning Effect ◽  
Soccer Players ◽  
Cognitive Tests ◽  
Contact Sports ◽  
Immediate Memory ◽  
Professional Soccer ◽  
Soccer Heading

Background: Soccer is the most popular sport worldwide, in which players purposely hit the ball with the head. Although researchers have focused on the effects of concussions in contact sports, the role of sub-concussive impacts (e.g., heading) has gained attention. Objective: To investigate the effects of soccer heading on cognitive functioning in active soccer players. Methods: Male professional soccer players (n=9), and non-athletes (n=25), matched by age and education, were submitted to computerized cognitive tests and to the Neupsilin. All subjects were tested on two occasions – T0 and T2 – separated by two years. Results: Intragroup analyses revealed that while controls improved their performance in 11 variables from T0 to T2, soccer players only improved in one test. However, controls had a worst performance in two variables. In T2, players performed better in the immediate memory test. Among players, no significant correlations were found between number of headings per game and cognition in T0 and T2. Conclusion: There was no evidence of cognitive impairment in soccer players in T0 and T2. They even outperformed controls in some tests. However, the improvement (probable learning effect) observed from T0 to T2 in controls was consistent over the players unvarying performance. Further investigations are needed to clarify relationships between soccer heading and cognition.

scholarly journals No Evidence of Association Between Soccer Heading and Cognitive Performance in Professional Soccer Players: Cross-Sectional Results

2019 ◽  
Vol 10 ◽  
Author(s):  
Ana Carolina Rodrigues ◽  
Mariana Drummond Martins Lima ◽  
Leonardo Cruz de Souza ◽  
Celso Furtado ◽  
Cimar Eustáquio Marques ◽  
...  
Keyword(s):  
Cognitive Performance ◽  
Soccer Players ◽  
Cross Sectional ◽  
Professional Soccer ◽  
Soccer Heading

scholarly journals Thigh muscles injuries in professional soccer players: a one year longitudinal study

2019 ◽  
Vol 03 (04) ◽  
pp. 331 ◽  
Author(s):  
A. Corazza ◽  
D. Orlandi ◽  
A. Baldari ◽  
P. Gatto ◽  
M. Stellatelli ◽  
...  
Keyword(s):  
Longitudinal Study ◽  
Soccer Players ◽  
Professional Soccer ◽  
Thigh Muscles ◽  
One Year

Changes of Physical Capacity and Soccer-Related Skills in Young Soccer Players within a One-Year Training Period

2011 ◽  
Vol 3 (4) ◽  
Author(s):  
Zbigniew Jastrzębski ◽  
Wojciech Barnat ◽  
Anna Konieczna ◽  
Paweł Rompa ◽  
Łukasz Radzimiński
Keyword(s):  
Physical Capacity ◽  
Soccer Players ◽  
Training Period ◽  
One Year

scholarly journals Comparison of Official and Friendly Matches through Acceleration, Deceleration and Metabolic Power Measures: A Full-Season Study in Professional Soccer Players

2021 ◽  
Vol 18 (11) ◽  
pp. 5980
Author(s):  
Hadi Nobari ◽  
Sara Mahmoudzadeh Khalili ◽  
Rafael Oliveira ◽  
Alfonso Castillo-Rodríguez ◽  
Jorge Pérez-Gómez ◽  
...  
Keyword(s):  
Effect Size ◽  
Total Duration ◽  
Soccer Players ◽  
Metabolic Power ◽  
Professional Soccer ◽  
Premier League ◽  
Small Effect Size ◽  
Moderate Effect Size ◽  
High Effort

Soccer is a popular team sport and highly demanding activity that requires high effort and long-term training plans. The goals of this study were to compare the accelerations, decelerations and metabolic power between official and friendly full matches, between the first and second halves of the matches, and between both halves of official and friendly matches. Twelve professional soccer players (age, 28.6 ± 2.7 years; height, 182.1 ± 8.6 cm; body mass, 75.3 ± 8.2 kg; BMI, 22.6 ± 0.7 kg/m2) participated in this study. A total of 33 official and 10 friendly matches were analyzed from the Iranian Premier League. All matches were monitored using GPSPORTS systems Pty Ltd. The following variables were selected: total duration of the matches, metabolic power, accelerations Zone1 (<2 m·s−2) (AccZ1), accelerations Zone2 (2 to 4 m·s−2) (AccZ2), accelerations Zone3 (>4 m·s−2) (AccZ3), decelerations Zone1 (<−2 m·s−2) (DecZ1), decelerations Zone2 (−2 to −4 m·s−2) (DecZ2) and decelerations Zone3 (>−4 m·s−2) (DecZ3). The major finding was shown in metabolic power, where higher values occurred in friendly matches (p < 0.05 with small effect size). Furthermore, total duration, AccZ3, DecZ1, DecZ2, and DecZ3 were revealed to be higher in official matches, while AccZ1 and AccZ2 were higher in friendly matches. The second half of the official matches revealed higher values for total duration compared to friendly matches (p < 0.05, moderate effect size). In conclusion, this study observed higher values of metabolic power in friendly matches compared to official matches. AccZ3, DecZ1, DecZ2, and DecZ3 were higher in official matches, while AccZ1 and AccZ2 were higher in friendly matches.

Do elite soccer players cover longer distance when losing? Differences between attackers and defenders

2020 ◽  
pp. 174795412098227
Author(s):  
Carlos Lago-Peñas ◽  
Anton Kalén ◽  
Miguel Lorenzo-Martinez ◽  
Roberto López-Del Campo ◽  
Ricardo Resta ◽  
...  
Keyword(s):  
New York ◽  
High Speed ◽  
Large Scale ◽  
Tracking System ◽  
Soccer Players ◽  
Running Performance ◽  
Situational Variables ◽  
Total Distance ◽  
Professional Soccer ◽  
Score Line

This study aimed to evaluate the effects playing position, match location (home or away), quality of opposition (strong or weak), effective playing time (total time minus stoppages), and score-line on physical match performance in professional soccer players using a large-scale analysis. A total of 10,739 individual match observations of outfield players competing in the Spanish La Liga during the 2018–2019 season were recorded using a computerized tracking system (TRACAB, Chyronhego, New York, USA). The players were classified into five positions (central defenders, players = 94; external defenders, players = 82; central midfielders, players = 101; external midfielders, players = 72; and forwards, players = 67) and the following match running performance categories were considered: total distance covered, low-speed running (LSR) distance (0–14 km · h−1), medium-speed running (MSR) distance (14–21 km · h−1), high-speed running (HSR) distance (>21 km · h−1), very HSR (VHSR) distance (21–24 km · h−1), sprint distance (>24 km · h−1) Overall, match running performance was highly dependent on situational variables, especially the score-line condition (winning, drawing, losing). Moreover, the score-line affected players running performance differently depending on their playing position. Losing status increased the total distance and the distance covered at MSR, HSR, VHSR and Sprint by defenders, while attacking players showed the opposite trend. These findings may help coaches and managers to better understand the effects of situational variables on physical performance in La Liga and could be used to develop a model for predicting the physical activity profile in competition.

Session-to-session variations of internal load during different small-sided games: a study in professional soccer players

2021 ◽  
pp. 1-13
Author(s):  
Saeid Younesi ◽  
Alireza Rabbani ◽  
Filipe Manuel Clemente ◽  
Hugo Sarmento ◽  
António Figueiredo
Keyword(s):  
Soccer Players ◽  
Internal Load ◽  
Professional Soccer

scholarly journals Does Resisted Sled Towing Improve the Physical Qualities of Elite Youth Soccer Players of Differing Maturity Status?

2021 ◽  
Author(s):  
Rhys Morris ◽  
Tony Myers ◽  
Stacey Emmonds ◽  
Dave Singleton ◽  
Kevin Till
Keyword(s):  
Body Mass ◽  
Bayesian Regression ◽  
Soccer Players ◽  
Height Velocity ◽  
Regression To The Mean ◽  
Peak Height Velocity ◽  
Maturity Group ◽  
Youth Soccer ◽  
Professional Soccer ◽  
The Impact

Abstract Purpose Sled towing has been shown to be an effective method to enhance the physical qualities in youth athletes. The aim of this study was to evaluate the impact of a 6-week sled towing intervention on muscular strength, speed and power in elite youth soccer players of differing maturity status. Method Seventy-three male elite youth soccer players aged 12–18 years (Pre-Peak Height Velocity [PHV] n = 25; Circa-PHV n = 24; Post-PHV n = 24) from one professional soccer academy participated in this study. Sprint assessments (10 m and 30 m), countermovement jump and isometric mid-thigh pull were undertaken before (T1) and after (T2) a 6-week intervention. The training intervention consisted of 6 weeks (2 × per week, 10 sprints over 20 m distance) of resisted sled towing (linear progression 10%–30% of body mass) during the competitive season. Bayesian regression models analysed differences between T1 and T2 within each maturity group. Results There were minimal changes in strength, speed and power (P = 0.35–0.80) for each maturity group across the 6-week intervention. Where there were changes with greater certainty, they are unlikely to represent real effect due to higher regression to the mean (RTM). Conclusion It appears that a 6-week sled towing training programme with loadings of 10%–30% body mass only maintains physical qualities in elite youth soccer players pre-, circa-, and post-PHV. Further research is required to determine the effectiveness of this training method in long-term athletic development programmes.

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