Letteratura scientifica selezionata sul tema "High-Level soccer player"
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Articoli di riviste sul tema "High-Level soccer player"
1
Forsythe, Brian, Ophelie Z. Lavoie-Gagne, Enrico M. Forlenza, Connor C. Diaz e Randy Mascarenhas. "Return-to-Play Times and Player Performance After ACL Reconstruction in Elite UEFA Professional Soccer Players: A Matched-Cohort Analysis From 1999 to 2019". Orthopaedic Journal of Sports Medicine 9, n. 5 (1 maggio 2021): 232596712110088. http://dx.doi.org/10.1177/23259671211008892.
Testo completoAbstract (sommario):
Background: Anterior cruciate ligament (ACL) rupture is one of the most common injuries afflicting soccer players and requires a lengthy recovery processes after reconstructive surgery. The impact of ACL reconstruction (ACLR) on return to play (RTP) time and player performance in professional soccer players remains poorly studied. Purpose/Hypothesis: To determine player performance and RTP rate and time after ACLR in elite professional soccer players with a retrospective matched-cohort analysis. We expected that the RTP time and rate will be similar to those of other professional-level athletes. Study Design: Cohort study; Level of evidence, 3. Methods: Included were 51 players from 1 of the 5 elite Union of European Football Associations (UEFA) soccer leagues who suffered a complete ACL rupture between 1999 and 2019. These athletes were matched by position, age, season of injury, seasons played, and height and compared to uninjured control players. Change in performance metrics for the 4 years after the season of injury were compared with metrics 1 season before injury. Univariate 2-group comparisons were performed using independent 2-group t tests; Wilcoxon rank-sum tests were used when normality of distributions was violated. Results: Overall, 41 players (80%) returned to play after ACL rupture, with 6 (12%) experiencing a subsequent ipsilateral or contralateral ACL tear. The mean (±SD) RTP time for soccer players after ACLR was 216 ± 109 days (26 ± 18 games). Injured athletes played significantly fewer games and minutes per season and recorded inferior performances for 2 seasons after their injury ( P < .001). However, the game performance of injured players equaled or exceeded that of their matched controls by season 3 after injury, with the exception of attackers, who demonstrated a continued decline in performance ( P < .001). Conclusion: Results indicated that the mean RTP time for soccer players after ACLR is short in comparison with other major sports leagues (216 days). However, RTP rates were high, and rerupture rates were comparable with those of other sports. With the exception of attackers, player performance largely equaled or exceeded that of matched controls by the third postinjury season.
2
Vega, Jon Manuel, Asier Gonzalez-Artetxe, Jon Ander Aguinaco e Asier Los Arcos. "Assessing the Anthropometric Profile of Spanish Elite Reserve Soccer Players by Playing Position over a Decade". International Journal of Environmental Research and Public Health 17, n. 15 (28 luglio 2020): 5446. http://dx.doi.org/10.3390/ijerph17155446.
Testo completoAbstract (sommario):
The aims of this study were to describe the evolution of the anthropometric profile of soccer players over a decade and to compare the anthropometric profiles of players promoted from an elite reserve team to high-level soccer with those players who were not promoted. We examined the body mass, height, body-mass index, and body fat of 98 players enrolled in the reserve team from 2008 to 2018. The players were classified in terms of (a) the highest competitive level they achieved up to the 2019/2020 season (i.e., Spanish 1st–2nd divisions or semi-professional); (b) the period in which they played their last season on the team; and (c) their playing position. Over time, the height of goalkeepers, lateral midfielders, and attackers has increased (effect size = 0.66 ± 1.13) but has decreased in central midfielders (effect size = 0.83). The body fat of defenders has also fallen (effect size = 0.55 ± 0.95). Spanish high-level goalkeepers, lateral midfielders, and attackers were taller than their semi-professional player counterparts (effect size = 1.20 ± 1.98). Body fat did not determine promotion from a reserve team to high-level soccer, but height may be an advantage for several playing positions. The assessment of the anthropometric profile and the application of interventions should be designed according to the playing position.
3
Emmonds, S., K. Till, J. Redgrave, E. Murray, L. Turner, C. Robinson e B. Jones. "Influence of age on the anthropometric and performance characteristics of high-level youth female soccer players". International Journal of Sports Science & Coaching 13, n. 5 (26 febbraio 2018): 779–86. http://dx.doi.org/10.1177/1747954118757437.
Testo completoAbstract (sommario):
The purpose of this study was to evaluate the anthropometric and performance characteristics of high-level youth female soccer players by annual-age category (Under 10 (U10)–U16). Data were collected from 157 female soccer players (U16, n = 46; U14, n = 43; U12, n = 38; U10, n = 30), recruited from three high-level female soccer academies in England. Players completed assessments of anthropometry (height and body mass), isometric mid-thigh pull strength, jump height, aerobic capacity, change of direction (505-left/right) and speed (10 and 30 m). Magnitude based-inferences were used to assess for practical significance between consecutive age groups. Height ( very likely–most likely), body mass ( very likely–most likely), absolute strength ( most likely), jump height ( likely–very likely) and distance on the YYIRL1 ( possibly–most likely) were greater in older players. Both speed and change of direction time were most likely to very likely lower in older players. However, only most likely trivial–possibly trivial differences were observed in relative strength between age groups. Findings suggest that physical characteristics except for relative strength differentiate by age categories. These findings provide comparative data and target reference data for such populations and can be used by coaches and practitioners for player development purposes. Practitioners should be aware that relative strength does not differ between age categories in high-level youth female soccer players.
4
Mazza, Daniele, Edoardo Viglietta, Edoardo Monaco, Raffaele Iorio, Fabio Marzilli, Giorgio Princi, Carlo Massafra e Andrea Ferretti. "Impact of Anterior Cruciate Ligament Injury on European Professional Soccer Players". Orthopaedic Journal of Sports Medicine 10, n. 2 (1 febbraio 2022): 232596712210768. http://dx.doi.org/10.1177/23259671221076865.
Testo completoAbstract (sommario):
Background: The impact of anterior cruciate ligament reconstruction (ACLR) on the performance and career of professional soccer players has not been extensively investigated. Purpose: To evaluate in professional European soccer players (1) the ACL injury incidence, (2) the return-to-play (RTP) rate and time after ACLR, (3) career survival and athlete performance in the first 3 postoperative seasons after RTP, (4) factors likely related to different outcomes after ACLR, and (5) any related differences between the top 8 European soccer leagues. Study Design: Descriptive epidemiology study. Methods: Included were professional soccer players in the top 8 European Soccer leagues (Serie A [Italy], Premier League [England], Ligue 1 [France], LaLiga [Spain], Bundesliga [Germany], Jupiler Pro League [Belgium], Liga NOS [Portugal], and Premier Liga [Russia]) who sustained an ACL injury during seasons 2014 to 2015, 2015 to 2016, and 2016 to 2017. Data were retrieved from publicly available online sources. Outcomes were evaluated based on player age (<25 years, 25-30 years, and >30 years), position (goalkeeper, defender, midfielder, and forward), affected side (dominant vs nondominant), and league. Results: Overall, 195 players sustained an ACL injury, for a mean annual ACL injury incidence of 1.42%. The RTP rate was 95%, with a mean RTP time of 248 ± 136 days. Within the third postoperative season, 66 players (36%) competed in a lower level national league, and 25 (13.6%) ended their careers; a significant reduction in the mean minutes played per season was found in all 3 postoperative seasons. Player age correlated significantly with reduction in performance or recovery from an ACL injury. No significant correlation was found between postoperative player performance and affected side, position, league, or time to RTP. Conclusion: A substantial ACL injury incidence was found in top European elite soccer players; however, a high RTP rate in a reasonable time was seen after ACLR. Nevertheless, professional soccer players experienced a short-term decline in their performance.
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García-Calvo, Tomás, José Carlos Ponce-Bordón, Eduard Pons, Roberto López del Campo, Ricardo Resta e Javier Raya-González. "High metabolic load distance in professional soccer according to competitive level and playing positions". PeerJ 10 (20 settembre 2022): e13318. http://dx.doi.org/10.7717/peerj.13318.
Testo completoAbstract (sommario):
Background High metabolic load distance provides global information about the soccer players’ total high-intensity activities. Thus, this study aimed to examine the Spanish professional soccer players’ high metabolic load distance profile, comparing competitive level and playing positions. Methods A total of 18,131 individual match observations were collected from outfield players competing during the 2018/2019 and 2019/20 seasons in the First and Second Spanish Professional Soccer Leagues (LaLiga™). High Metabolic Load Distance (HMLD; distance covered with a power consumption above 25.5 W·kg−1 and accelerations or decelerations (e.g., accelerating from 2 to 4 m·s−2 for 1 s) were included), and HMLD per minute (HMLDmin) were analyzed by the ChryonHego® video-tracking system. Players were classified according to their playing position as follows: Central Backs (CB), Full Backs (FB), Center Midfields (CM), Wide Midfields (WM), and Forwards (FW). Results No differences between competitive levels were found in any variable when all players were analyzed conjointly except for HMLDmin overall and during the second half. However, when playing positions were considered, differences between competitive levels were observed in all positions, mainly in HMLD and HMLD during the first-half variables. In addition, several differences between playing positions were observed, with CB presenting the lowest values in all variables compared to their counterparts in both competitive levels, whereas CM in First Division and WM in Second Division showed the highest values in the HMLD variables. Discussion The findings are of interest to analyze the HMLD in professional soccer players, enabling the adaptation and individualization of training in this population according to the competitive level and specific playing position of each player.
6
Nguyen, Jessica, Calvin Hwang, Geoffrey Abrams e Michelle Xiao. "Paper 22: Increased Lower Extremity Injury Associated with Player Load and Distance in Collegiate Women’s Soccer". Orthopaedic Journal of Sports Medicine 10, n. 5_suppl3 (1 maggio 2022): 2325967121S0056. http://dx.doi.org/10.1177/2325967121s00560.
Testo completoAbstract (sommario):
Objectives: High cumulative workloads and spikes in player workloads have been associated with an increased risk of injury in soccer and other sports. These studies, however, have all been conducted with data from male soccer players or male athletes in other sports, with few studies investigating female athletes. Using metrics collected from GPS units to monitor cumulative load and distance may be valuable for injury prevention. The purpose of this study was to examine the relationship between injury risk and workload as collected from wearable GPS units in NCAA Division I women’s soccer players. Methods: Lower extremity injury incidence and GPS workload data (player load, total distance, and high-speed distance) of 65 NCAA Division I women’s soccer players were collected over 3 seasons. Accumulated 1-, 2-, 3- and 4-weekly loads and acute: chronic workload ratios (ACWR) were classified into discrete ranges by z-scores. ACWR was calculated using rolling averages and exponentially weighted moving averages (EWMA) models. Binary logistic regression models were used to compare the 7:28 rolling average and EWMA ACWRs between injured and non-injured players for all GPS/accelerometer variables. The prior 1-, 2-, 3-, and 4-weekly accumulated loads for all GPS/accelerometer variables were compared between the injured and uninjured cohorts using two-sample t-tests with an alpha level of 0.05 set as significant. Results: There were a total of 53 lower extremity injuries that resulted in lost time recorded (5.76/1000 hours ‘on-field’ exposure time; 34 non-contact and 19 contact injuries). The prior 2-week (7,242 vs 6,613; p=0.02), 3-week (10,533 vs 9,718; p=0.02), and 4-week (13,819 vs 12,892; p=0.04) accumulated player loads and 2-week (62.40 vs 57.25 km; p=0.04), 3-week (90.97 vs 84.10 km; p=0.03), and 4-week (119.31 vs 111.38 km; p=0.05) accumulated total distances were significantly higher for injured players compared to non-injured players during the same timeframes. There were no significant differences in player load, total distance, or high-speed distance ACWR between injured and non-injured players for both the rolling averages and EWMA calculations. Conclusions: Higher accumulated player load and total distance, but not ACWR, are associated with injury in women’s soccer players.
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Weber, Alexander E., Nicholas A. Trasolini, Ioanna K. Bolia, Santano Rosario, John P. Prodromo, Catherine Hill, Russ Romano, Charles Y. Liu, James E. Tibone e Seth C. Gamradt. "Epidemiologic Assessment of Concussions in an NCAA Division I Women’s Soccer Team". Orthopaedic Journal of Sports Medicine 8, n. 5 (1 maggio 2020): 232596712092174. http://dx.doi.org/10.1177/2325967120921746.
Testo completoAbstract (sommario):
Background: Among collegiate sports, ice hockey and wrestling have been reported to have the highest rates of concussion injury. Recent literature has shown that among all sports, female soccer players had the highest rate of concussion injury at the high school level. Sport-specific analysis will increase our knowledge of epidemiologic characteristics of this serious injury in young soccer players, where “heading” is commonly involved during participation. Hypothesis: Heading during soccer will be associated with increased frequency of concussion injury in collegiate female players compared with other mechanisms of injury, and concussion injury mechanism and rates will differ by setting of injury (practice or match) and player position. Study Design: Descriptive epidemiologic study. Methods: This was a retrospective review and epidemiologic analysis of all concussions documented from a single National Collegiate Athletic Association (NCAA) Division I female collegiate soccer team between 2004 and 2017. A total of 381 participants were reviewed, and concussion injury mechanism, setting (practice or match), player position, and number of games and practices missed due to injury were analyzed. Results: Overall, 25 concussions in 22 players from the 2004 to 2017 seasons were identified, for an annual rate of 1.79 concussions per year. Collisions (36%) followed by headers (20%) were the most common mechanisms. Forwards sustained the most concussions (32%). Injuries were more common in games (56%) than practice (40%). Of note, the most common cause of concussion during practice was headers (40%). Of the concussions documented, 20 (91%) were the player’s first concussion. On average, each concussion resulted in a player missing 3.96 games and 12.46 practices. Conclusion: Our results demonstrate that concussion rates in female NCAA soccer players vary by position and occur with different frequencies and mechanisms in practice and games. Interventions for concussion avoidance should aim to limit exposure to high-risk activity, including player-to-player contact in games and headers in practice. Although gameplay and collisions can be unpredictable and difficult to control, practice settings can be modified in an attempt to decrease risk.
8
Azilah Atan, Siti, Mohd Syrinaz Azli, Jorrye Jakiwa e Shahrulfadly Rustam. "Relationship between Match Running Performance and Physical Capacity in Malaysia Young Soccer Player". Sport Mont 21, n. 1 (1 febbraio 2023): 55–59. http://dx.doi.org/10.26773/smj.230209.
Testo completoAbstract (sommario):
Monitoring players during match play has become a fundamental approach to gain understanding on soccer demands. Considering there has been growing interest in performances of young players, it is important to understand on young players training requirement. Therefore, the aim of this study was to examine the relationship between match running performance and physical capacities in U15 young soccer players. Twenty outfield players from sports school and academy (n=20, 1.63±0.8 m, and 56.1±9.5 kg) volunteered to participate in the study. Match running performance was analysed during two matches for each player using 5 Hz global positioning system. The participants performed the Yo-Yo Intermittent Recovery Level 1 (YYIR1), Countermovement Jump (CMJ) and 20 m Sprint to determine the physical capacities. The results showed there were no significant relationship between; total distance covered and YY1R1, sprint distance and leg power, maximum sprint speed during matches (km.h-1) with 20 m sprint (P>0.05). These results suggest that physical capacity test should not be used as a single factor in recognizing a young player’s potential to excel and to predict soccer performance. Young players may not need extraordinary capacity; however, they must possess a reasonably high level within all areas to be a good player.
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Gupta, Andrew S., Lauren A. Pierpoint, R. Dawn Comstock e Michael G. Saper. "Sex-Based Differences in Anterior Cruciate Ligament Injuries Among United States High School Soccer Players: An Epidemiological Study". Orthopaedic Journal of Sports Medicine 8, n. 5 (1 maggio 2020): 232596712091917. http://dx.doi.org/10.1177/2325967120919178.
Testo completoAbstract (sommario):
Background: Anterior cruciate ligament (ACL) tears are common among high school athletes, with sex-based differences accounting for higher injury rates in girls. Previous epidemiological studies on ACL injuries focusing on adolescent athletes have looked at injuries across multiple sports, but few have analyzed ACL tears in solely high school soccer athletes. Purpose: To examine sex-based differences in the epidemiology of ACL injuries among high school soccer players in the United States (US). Study Design: Descriptive epidemiological study. Methods: ACL injury data for US high school soccer players were obtained from the internet-based National High School Sports-Related Injury Surveillance Study’s High School RIO (Reporting Information Online) system. Athletic trainers from a random sample of 100 high schools from 8 strata based on US Census geographic region reported data for athlete-exposures (AEs) (practice or competition) and ACL injuries from 2007 through 2017. Injury rates were calculated as the number of ACL injuries per 100,000 AEs. Subgroup differences were evaluated with rate ratios (RRs) or injury proportion ratios (IPRs) and 95% CIs. Statistical differences in demographics between groups were examined using independent t tests. Comparisons of categorical data (ie, level of play) were performed using the Wald chi-square test. Results: The reported number of ACL injuries corresponded to weighted national estimates of 41,025 (95% CI, 33,321-48,730) ACL injuries in boys’ soccer and 110,028 (95% CI, 95,349-124,709) in girls’ soccer during the study period. The rate of injuries was higher in girls’ soccer (13.23/100,000 AEs) than boys’ soccer (4.35/100,000 AEs) (RR, 3.04 [95% CI, 2.35-3.98]). The rate of ACL injuries was higher in competition compared with practice for girls (RR, 14.77 [95% CI, 9.85-22.15]) and boys (RR, 8.69 [95% CI, 5.01-15.08]). Overall, a smaller proportion of ACL injuries were caused by player-player contact for girls (30.1%) compared with boys (48.6%) (IPR, 0.62 [95% CI, 0.41-0.93]). Conclusion: ACL injury rates and patterns in high school soccer players differed between sex, type of exposure (practice vs competition), and mechanism of injury.
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Huber, Colin M., Declan A. Patton, Catherine C. McDonald, Divya Jain, Katherine Simms, Valerie A. Lallo, Susan S. Margulies, Christina L. Master e Kristy B. Arbogast. "Sport- and Gender-Based Differences in Head Impact Exposure and Mechanism in High School Sports". Orthopaedic Journal of Sports Medicine 9, n. 3 (1 marzo 2021): 232596712098442. http://dx.doi.org/10.1177/2325967120984423.
Testo completoAbstract (sommario):
Background: Repeated head impacts sustained by athletes have been linked to short-term neurophysiologic deficits; thus, there is growing concern about the number of head impacts sustained in sports. Accurate head impact exposure data obtained via head impact sensors may help identify appropriate strategies across sports and between genders to mitigate repetitive head impacts. Purpose: To quantify sport- and gender-based differences in head impact rate and mechanism for adolescents. Study Design: Cohort study; Level of evidence, 2. Methods: High school female and male varsity soccer, basketball, lacrosse, and field hockey (female only) teams were instrumented with headband-mounted impact sensors during games over 2 seasons of soccer and 1 season of basketball, lacrosse, and field hockey. Video review was used to remove false-positive sensor-recorded events, and the head impact rate per athlete-exposure (AE) was calculated. Impact mechanism was categorized as equipment to head, fall, player to head, or head to ball (soccer only). Results: Male players had significantly higher head impact rates as compared with female players in soccer (3.08 vs 1.41 impacts/AE; rate ratio, 2.2 [95% CI, 1.8-2.6]), basketball (0.90 vs 0.25; 3.6 [2.6-4.6]), and lacrosse (0.83 vs 0.06; 12.9 [10.1-15.8]). Impact mechanism distributions were similar within sports between boys and girls. In soccer, head to ball represented 78% of impacts, whereas at least 88% in basketball were player-to-player contact. Conclusion: Across sports for boys and girls, soccer had the highest impact rate. Male high school soccer, basketball, and lacrosse teams had significantly higher head impact rates than did female teams of the same sport. For girls, basketball had a higher head impact rate than did lacrosse and field hockey, and for boys, basketball had a similar impact rate to lacrosse, a collision sport. Sport differences in the distribution of impact mechanisms create sport-specific targets for reducing head impact exposure.
Tesi sul tema "High-Level soccer player"
1
Lind, William. "Pain among female soccer players : A study on high-level athletes". Thesis, Högskolan i Gävle, Avdelningen för hälso- och vårdvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-24263.
Testo completoAbstract (sommario):
Bakgrund: Fysisk smärta kan försämra både fysisk och psykisk förmåga samt leda till flertalet komplikationer. Smärta är ofta sammankopplat med skador. Skador är vanliga bland idrottare, och skaderisken ökar ju högre nivå man spelar på. Då skador är så pass vanliga bland idrottare på hög nivå så kan man anta att detsamma gäller med smärtkänningar. Eftersom smärta kan påverka en negativt på så många sätt så kan det vara intressant att undersöka smärta bland idrottare på hög nivå. Syfte: Syftet med studien var att undersöka upplevelsen av smärta samt relationen till smärta hos kvinnliga fotbollsspelare på hög nivå i Sverige. Metod: 68 från 4 olika lag i division 1 och 2 deltog i studien. De var mellan 14-30 år gamla och hade spelat på hög nivå mellan 1-13 år. En enkät användes för att samla datan och SPSS användes för att analysera den med deskriptiv statistik. Resultat: 50 % av spelarna skattade deras smärtutsträckning före, under och efter träning och match med 3 eller mer på en skala mellan 1-5, där 1 är "ingen utsträckning" och 5 är "hög utsträckning". Resultaten varierade angående vilken influens smärta haft på försktighet, förmåga, potential, känslor och koncentration. Spelarna kände dock att smärta haft störst påverkan på deras förmåga att spela och deras emotionella välmående. 42.65 % av spelarna fortsatte som vanligt när de upplevde smärta under träning och 44.12 % av dem fortsatte men tog det lugnare, medan 83.83 % fortsatte som vanligt när de upplevde smärta under match. Samtliga av deltagarna var av uppfattningen att det kan vara skadligt på olika sätt att spela trots att man känner smärta. Slutsats: De flesta av spelarna var negativt påverkade av smärta i någon grad. Även om de var övertygade om att det kan leda till problem om man spelar trots smärta så fortsatte de flesta att spela när de fick smärtkänningar under träning och match.Background: Physical pain affects mental performance as well as many physical factors and is often associated with injuries. Injuries are common among athletes and a higher level of play coheres with a higher prevalence of injuries. Since injuries are so common among high-level athletes, it is reasonable to assume that pain is also connected to the high level of play. Also, since experiencing pain has its side-effects, it is interesting to investigate physical pain among high-level athletes. Purpose: The purpose of the study was to investigate the presence and experience of pain among high-level female soccer players in Sweden, as well as their relationship to pain. Method: 68 players between 14-30 years old who had played at a high level for 1-13 years participated in the study. A questionnaire was used to collect the data and SPSS was used to analyse it with descriptive statistics. Results: 50 % of the players rated their pain extent before, during and after practices and games with 3 or more on a scale from 1-5, where 1 is “no extent” and 5 is “high extent”. The results were scattered regarding the influence pain had on carefulness, ability, potential, emotions and concentration, but the players felt that pain had the biggest influence on their ability to play and their emotional wellbeing. 42.65% of the players continue as normal when experiencing pain during practice and 44.12% of them continue but take it easier, while 83.82% continue as normal when experiencing pain during game. All of them thought that playing and practicing with pain could lead to future complications in some way. Conclusion: Most of the players struggled with pain to varying degrees. Even though being convinced that playing with pain can lead to complications, they kept on playing when they experienced pain themselves.
2
Memain, Geoffrey. "Évaluation et suivi du contrôle neuromoteur des footballeurs de haut-niveau lors d'un countermovement-jump. Application à la réathlétisation et à la prophylaxie des pathologies des membres inférieurs". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASW010.
Testo completoAbstract (sommario):
L'objectif de cette thèse était double : i) objectiver les effets de la réathlétisation sur le contrôle neuromoteur de footballeurs de haut-niveau; ii) développer un modèle théorique prédictif de la survenue de blessure chez l'athlète sain. Le modèle expérimental du countermovement-jump (CMJ) a été utilisé pour tester les hypothèses spécifiques à chacune des 5 études réalisées. Les paramètres cinétiques, cinématiques et électromyographiques (EMG) du CMJ étaient calculés au moyen de plateforme de force, caméra rapide et électrodes de surface, respectivement. Trois pathologies des membres inférieurs ont été considérées: rupture du ligament croisé antérieur du genou, chondropathie de genou et lésions musculaires de la cuisse. Dans une 1ère étude, les résultats ont montré que les paramètres biomécaniques et EMG du CMJ de la jambe blessée et de la jambe non blessée étaient altérés dans tous les groupes pathologiques. Le programme SSR (specific sport rehabilitation) de trois semaines a permis d'améliorer significativement ces paramètres caractéristiques du contrôle neuromoteur. Dans une 2ème étude, le niveau de récupération fonctionnelle des footballeurs a été évalué par le biais de deux méthodes: la méthode LSI (limb symmetry index) et la méthode Norm-Values. Les résultats ont montré que la méthode Norm-Values était la plus discriminante. Dans une 3ème étude, la comparaison inter-groupes des paramètres biomécaniques et EMG a permis de mettre en évidence une « signature neuromotrice » spécifique à chaque pathologie. Dans une 4ème étude, les résultats ont montré que la superposition d'une tâche de prise d'information visuelle (tâche secondaire) avait un effet bénéfique sur les paramètres du CMJ (tâche primaire), probablement dû à une « défocalisation » de l'attention des athlètes blessés vers la tâche secondaire. Enfin, dans une dernière étude, le suivi longitudinal de joueurs sains au cours d'une saison a été réalisé avec pour objectif de développer un modèle théorique prédictif de blessure. Ce modèle, basé sur une méthode de machine learning a permis de mettre en évidence des tendances (non significatives) à la survenue de blessures en fonction des caractéristiques neuromotrices des joueurs. Globalement, l'ensemble de ces résultats contribue à l'amélioration des connaissances et des pratiques dans le domaine de la réathlétisationThis thesis had two principal objectives: i), to provide an objective analysis of the impact of sport-specific-rehab (SSR) on the neuromotor control of high-level soccer players ; ii) to develop a theoretical model that could predict the likelihood of injury in healthy athletes. The experimental countermovement jump (CMJ) model was employed to test the specific hypotheses associated with each of the five studies. The kinetic, kinematic and electromyographic (EMG) parameters of the CMJ were calculate using a force platform, a high-speed camera and surface electrodes, respectively. Three pathologies of the lower-limb were considered: anterior cruciate ligament rupture of the knee, knee chondropathy and muscular lesions of the thigh. The initial study demonstrated that the biomechanical and electromyographic parameters of the CMJ of the injured leg and the non-injured leg were altered in all pathological groups. The three-week SSR programme led to a notable improvement in these parameters, which are indicative of neuromotor control. In a second study, the level of functional recovery of the soccer players was evaluated using two methods: the LSI (limb symmetry index) and the Norm-Values method. The findings indicated that the Norm-Values method was the most effective in discriminating between the groups. In a third study, an intergroup comparison of biomechanical and EMG parameters revealed the existence of a 'neuromotor signature' specific to each pathology. In a fourth study, the results demonstrated that superimposing a visual information-gathering task (secondary task) had a beneficial effect on CMJ parameters (primary task). This was likely due to the injured athletes' attention being defocused towards the secondary task. In a final study, healthy players were monitored over the course of a season with the objective of developing a theoretical predictive model of injury. This model, based on a machine learning method, revealed non-significant trends in the occurrence of injuries as a function of the neuromotor characteristics of the players. Overall, these results contribute to advancing knowledge and practices in the field of rehabilitation
Libri sul tema "High-Level soccer player"
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Matkovich, Michael J., e Jason Davis. Elite Soccer Drills. Human Kinetics, 2009. http://dx.doi.org/10.5040/9781718219168.
Testo completoAbstract (sommario):
The game’s top players have remarkable speed, agility, and coordination demonstrated through precision passing, incredible ball control, and an uncanny ability to anticipate and react to the opposition’s moves. Although the best players can make these skills look easy, each is a result of dedication, commitment, and countless hours of practice. In Elite Soccer Drills, renowned coach Mike Matkovich shares the same drills he has used in developing some of soccer’s premier players. The 82 drills emphasize execution in high-level play while addressing the finer points of passing and receiving, attacking and defending, and heading. With drills for both individual players and teams, as well as practice tips and coaching suggestions, Elite Soccer Drills is the perfect practice tool for developing the high-level skills and soccer sense players need in order to excel.
2
Hastings, Penny. Sports for Her. Greenwood Publishing Group, Inc., 1999. http://dx.doi.org/10.5040/9798216017813.
Testo completoAbstract (sommario):
Today, one in every three high school girls plays sports, and the number of sports offered to these young women has increased dramatically in the past decade. This unique resource explores these sports from a girl's perspective, while examining sports issues as they pertain to young women. Individual chapters cover the most popular sports offered at the high school level, such as basketball, field hockey, and track, and provides practical advice on training and practicing techniques, trying out for the team, and organizing school teams. Other sports possibly less familiar, such as badminton and crew, are also explored, each in a chapter of its own, as are sports like football and baseball which are typically offered only to boys. Students can find detailed information for each of the eight most popular sports at the high school level: basketball, field hockey, soccer, softball, swimming and diving, tennis, track and field, and volleyball. This information includes the history of the sport, rules, common injuries to the sport, similar sports to try, and advice from coaches about making the team. Young female students are encouraged to try other sports that may not be offered by their high school and to get high schools to sponsor teams where there are none, as well as to participate on boys' teams if a particular sport is not offered to girls. Advice is also provided on possible sports-related problems for girls, including overtraining, drug use, eating disorders, and abuse from coaches, as well as information about sports-related careers to provide a well-rounded, comprehensive guide for young female athletes.
Capitoli di libri sul tema "High-Level soccer player"
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Morrissey, Margaret C., Ian Rollo, Laura J. Kunces, Shiloah A. Fuller e Michael J. Ormsbee. "Nutrition for High-Level Soccer". In Elite Soccer Players, 199–217. Routledge, 2019. http://dx.doi.org/10.4324/9780429465536-11.
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"Coping Strategies in French high-level Soccer Players during the 2001–2002 Season". In Science and Football V, 632–37. Routledge, 2005. http://dx.doi.org/10.4324/9780203412992-226.
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Allison, Penelope M. "House I 10,8". In The Insula of the Menander at Pompeii. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199263127.003.0033.
Testo completoAbstract (sommario):
The surviving plaster on the walls of this entranceway consisted of a high pink socle, delineated in red, with a white zone above. Ling observed that this overlay an earlier First-Style decoration on the east wall and that it had been patched in antiquity. Breaches are found in both the east and west walls. Outside the entrance, to either side, is a masonry bench (east bench: l.: 2.1 m, d.: 380 mm; west bench: l.: 2.4 m, d.: 460 mm), both much damaged. Finds within the entranceway consisted of bronze and iron studs, undoubtedly from the house door. Remains of plastered decoration survive on the south wall. Elia recorded a yellow dado, surmounted by a red band, with white plaster above. There is a breach in the north-west corner through to Unit no. 9, above a blocked doorway. At the centre of this front hall is a tufa impluvium (2.4 m × 2.1 m). In the north-west corner, 1 m above the pavement, were found: a small bronze ring; a bronze stud, similar to those in the entranceway and probably also from the front door; a fragment of a stone mortar or hand-mill; some glass beads; a small shell; and two bronze quadrantes, one of Nero dated ad 64. The fragmentary or loseable nature of these items suggests that they were disturbed from the ground level. Other small loseable items were found in the north-east corner: a small glass bottle, probably a toilet item; and possibly five more coins. One metre from the west side of the impluvium were found: another part of a hand-mill; two large stone weights; at least fifty-three lead weights, probably from a loom; and two other spherical stones, possibly also weights. The large number of lead weights is comparable with the quantity found under the stairway in room i of the Casa del Principe di Napoli. Another comparable group of forty loom weights was found together in a pit at Zugmantel. As Jongman noted, this amount would be equivalent to that required for one or perhaps two warp-weighted looms. It is therefore commensurate with the existence of such a loom, or looms, in this area, or of replacement loom weights, for domestic use.
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Allison, Penelope M. "Units I 10,5 and I 10,6". In The Insula of the Menander at Pompeii. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199263127.003.0031.
Testo completoAbstract (sommario):
This upper-storey unit, or apartment, was accessed through entranceway I 10,5, which consists of a stairway between the two rooms of Unit I 10,6. Eleven masonry steps of this stairway remain. According to Ling, the apartment consisted of a room above the rear room of Unit I 10,6 (room 6A) and rooms above rooms 5–7 of the Casa del Menandro. Elia reported a semi-elliptical lararium niche (dimensions: 1.77 m × 0.65 m, d.: 150 mm) at the foot of the stairs, painted with a green festoon and red and yellow flowers. However, it is not certain that this decoration would identify it as a lararium. A downpipe in the north-east corner of room 6A in Unit I 10,6 has been used as evidence for the presence of a latrine in the upper room although this could equally have been for roof drainage. The only finds conceivably from this apartment, were a bronze buckle and possibly those items recorded above room 5 of the Casa del Menandro (cat. nos. 908–917a). There is insufficient evidence to substantiate its identification as a brothel. This was an area with a wide opening onto the street to the north of this insula. The pavement was of mortar and the walls were furbished with a high cocciopesto socle with coarse plaster above. In the south-west corner is a rectangular structure consisting of two low walls which enclosed two basins (each 1.05 m × 0.88 m) cut into the pavement, with a large drainage channel in front. Ling identifies these as washing-basins. The loose finds in this room, at pavement level, consisted of: two rectangular marble bases, likely to have been for display furniture such as marble tables or basins; four larger rectangular marble bases possibly for statuary; three other cylindrical marble supports; and a small marble capital. A clay lamp was also found in the entranceway, in the volcanic deposit. Elia interpreted the structure in the south-west corner as a ‘saltus fullonicus’, thus identifying this establishment as a fullers’ workshop. Ling points out that these basins ‘could have been used in various crafts’ and he suggests, on the basis of the stone pieces, that this was the workshop of a specialist stone-carver.
Atti di convegni sul tema "High-Level soccer player"
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Palade, Tudor, Grigore Gheorghe, Dan Badea e Sorinmirel Ciolca. "IMPROVEMENT OF THE TEHNICAL AND TACTICAL FOOTBALL TRAINING FOR CHILDREN USING TEHNOLOGICAL DEVICES". In eLSE 2016. Carol I National Defence University Publishing House, 2016. http://dx.doi.org/10.12753/2066-026x-16-234.
Testo completoAbstract (sommario):
This present research set itself to highlight the posibility of improvement of the teaching process, in the game of football, with the help of latest technology. In this manner, the experiment oriented on optimization of the technical and tactical component related to the game of football, using specific motive structures, also being customized for the level of education. The theoretical and methodical field that defines our domain of activity approaches in detail the issue of density of information in the football training classes. In this context it must be emphasized that density is an indicator of quality in training the soccer player. Aiming at this aspect, specialized methodology permanently seeks optimizing the relationship between different types of specific training process density, as in the pedagogical density and physical training density, which are characteristic for highlighting the quality of educational process. Consequently, the referred research aims at improving the relationship between pedagogical density and physical training density in favor of the latter. This goal was achieved by improving sources of information transmission from teacher / coach to the player using derivatives specific to high technology The experiment is an ameliorative and ascertaining one, conducted over a period of 3 months. The subject that were involved in the research are representatives of the football team FC Dinamo Bucuresti, with the Juniors E level of education, being aged around 10-11 years old (2004 and 2005 groups). The objectification of the research was realised through timing actual work time and break time related to the training process and further processing. Next methods were used as methods of research: scientific documentation, personal observation, the experiment, mesurements, statistical and mathematical method, graphical method. Results of the scientific step made are visible through and increased technical and tactical yield in the training process and a more efficient performance behaviour whilst the games. Research conclusions confirms the hypothesis of work with the results obtained.
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Ertan, Hayri. "PERFORMANCE EVALUATION APPROACHES IN HIGH LEVEL SPORTS". In VII All-Russian scientific and practical conference with international participation "Sports Informatics Day". Russian Association of Computer Science in Sports, 2024. http://dx.doi.org/10.62105/2949-6349-2024-1-s1-116-119.
Testo completoAbstract (sommario):
Muscular activation strategies or recruitment patterns are one of the hot topics in sport sciences. Researchers try to define specific muscular involvement patterns in a given sport branch and during execution of specific movement patterns. As chosen as one of the examples, archery release is very critical to reach high scores in sport archery. Especially, recurve archers use a device called clicker and as soon as its’ snap against the bow handle archer needs to release the string. Three-finger hook opened by active contraction of extensor muscles or just relaxation of forearm flexors. Active contraction of forearm extensor muscles thought to create a lateral deflection of bowstring, which may decrease the score on the target. Like archery, soccer kick is also one of specific movement patterns that have been observed for muscular activation strategies. Lower extremity muscles play an important role in kick movement to stationary ball. Activation of Biceps Femoris and Gastrocnemius muscles found to be different than that of high level soccer players. So, reaching high-level sport performance needs to develop certain muscular activation or recruitment patterns. This review focuses on the specific muscular involvement strategies in given sports.
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Zakharova, Anna, Anastasia Berdnikova e Kamiliia Mekhdieva. "Testing of Power Abilities in High Level Soccer Players: Quantitive and Qualitive Assessment Methods". In 6th International Congress on Sport Sciences Research and Technology Support. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0006900101110118.
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Huarachi Macuri, Julio César, Luis Angel Soto Alata e Willy Gustavo Ugarte Rojas. "A system for the control of the performance of high level soccer players applying fuzzy logic." In 21st LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leadership in Education and Innovation in Engineering in the Framework of Global Transformations: Integration and Alliances for Integral Development”. Latin American and Caribbean Consortium of Engineering Institutions, 2023. http://dx.doi.org/10.18687/laccei2023.1.1.1118.
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Faisal Abdulsattar, Nejood, Mustafa Hamid Hassan, Salama Mostafa, Hassnen Shakir Mansour, Nayef Alduais, Aida Mustapha e Mohammed Ahmed Jubair. "Evaluating MANET Technology in Optimizing IoT-based Multiple WBSN Model in Soccer Players Health Study". In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002527.
Testo completoAbstract (sommario):
As a merit for the Internet of Things (IoT) domain, congregating MANET with WSN application in omnipresent smart environments presents novel opportunities in observing the extensive or wide-ranging built-up area or urban region and provides a new communication system for diverse applications. Sensors are utilized to comprehend the surrounding environment by sensing the signals and sending the data via the gateway node to the MANET node, specifically designed for data gathering or harvesting. IoT applications in this work are regarded as devices worn by soccer players whose monitoring is done using wireless sensor nodes. The challenge in this work is identifying paths or routes of high-level or top-ranking Quality of Service (QoS), such as topology. The implementation of a QoS-aware protocol in MANETs is aimed at enabling the finding of more effective paths between the source and destination nodes of the network and has made QoS a necessity. This paper proposed a model that can select an optimum path based on the efficient QoS parameters in routing protocol for the MANET environment. A model is built based on Flower Pollination Algorithm (FPA) and Multi-Agent system (MAS). An example scenario is written to show the impact of the proposed model on the MANET environment.