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Journal articles on the topic 'Goalkeeping'
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Shimi, Andria, Antonis Papantoniou, Kleanthis Neokleous, and Marios N. Avraamides. "Athletic Performance in Immersive Virtual Reality." European Journal of Psychology Open 81, no. 1 (May 2022): 24–33. http://dx.doi.org/10.1024/2673-8627/a000021.
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Abstract. Background: In a goalkeeping task that entailed intercepting fast-approaching balls, the present research examined whether training under conditions more intense than those of a subsequent test yields a performance improvement. Methods: Fifty participants (38 males) carried out the goalkeeping task in two conditions: In the progressive-intensity condition, participants carried out three training sessions with increasing intensity (i.e., balls shot at increasingly faster speeds) that exceeded that of a pretest and a posttest; in the fixed-intensity condition, participants also carried out three training conditions but at a fixed intensity equal to that of both the pretest and the posttest. Results: Performance in the goalkeeping task improved from pretest to posttest equally under the two intensity conditions. Similarly, performance on a different task that required fast responses to visual targets also increased from pretest to posttest, likewise equally for the two intensity conditions. Conclusions: Overall, these results challenge the common belief in sports that more intense training than a subsequent test is beneficial for performance.
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Platanou, T. "Physiological demands of water polo goalkeeping." Journal of Science and Medicine in Sport 12, no. 1 (January 2009): 244–50. http://dx.doi.org/10.1016/j.jsams.2007.09.011.
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van der Kamp, John, Matt Dicks, Jose Antonio Navia, and Benjamin Noël. "Goalkeeping in the soccer penalty kick." German Journal of Exercise and Sport Research 48, no. 2 (April 23, 2018): 169–75. http://dx.doi.org/10.1007/s12662-018-0506-3.
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Shimi, Andria, Vanessa Tsestou, Marios Hadjiaros, Kleanthis Neokleous, and Marios Avraamides. "Attentional Skills in Soccer: Evaluating the Involvement of Attention in Executing a Goalkeeping Task in Virtual Reality." Applied Sciences 11, no. 19 (October 8, 2021): 9341. http://dx.doi.org/10.3390/app11199341.
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Physical abilities are essential to goalkeepers in soccer but the involved cognitive abilities for these players have only recently become the focus of extensive research. In this study, we investigated the role of different aspects of attention in a basic goalkeeping task in soccer. One hundred participants assumed the role of a goalkeeper in immersive virtual reality (VR) and carried out a task that entailed blocking balls shot towards their goal. In addition, they carried out two computerized tasks each assessing different attentional abilities: the Attention Network Test provided scores for three well-established networks of attention, namely the alerting, the orienting, and the executive control. The Whack-a-Mole task evaluated inhibitory control, by measuring performance in a classic Go/No-Go task and tapping on response inhibition. A regression analysis revealed that all three attention network scores contributed to performance in the VR goalkeeping task. Furthermore, performance in the Whack-a-Mole task correlated significantly with performance in the VR goalkeeping task. Overall, findings confirm that cognitive skills relating to attention play a critical role in the efficient execution of soccer-specific tasks. These findings have important implications for the training of cognitive skills in sports.
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Dicks, Matt, Luiz Uehara, and Carlos Lima. "Deception, Individual Differences and Penalty Kicks: Implications for Goalkeeping in Association Football." International Journal of Sports Science & Coaching 6, no. 4 (December 2011): 515–21. http://dx.doi.org/10.1260/1747-9541.6.4.515.
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The purpose of the current article is to review findings from the visual anticipation literature with a particular focus on penalty kick goalkeeping in Association football. We give a brief introduction to the area of research before providing reviews of two recent studies. First, we focus on the applied implications of a study that examined the effect of deception and non-deception penalty kick strategies on goalkeeping performance. Second, we consider further limiting factors on the accuracy of goalkeeper visual anticipation through examination of the relationship between goalkeeper action capabilities and the timing and accuracy of goalkeeper responses. Finally, the implications of the results are considered with recommendations for coaching practices aimed at improving visual anticipation skills.
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van der Kamp, John, and Rich S. W. Masters. "The Human Müller-Lyer Illusion in Goalkeeping." Perception 37, no. 6 (January 2008): 951–54. http://dx.doi.org/10.1068/p6010.
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O’Mahony, Mike. "The art of goalkeeping: memorializing Lev Yashin." Sport in Society 20, no. 5-6 (March 22, 2016): 641–59. http://dx.doi.org/10.1080/17430437.2016.1158481.
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Engel, Patrick, André Nicklas, Stefanie Klatt, and Frowin Fasold. "Goalkeeping in Junior Team Handball – A Frustrating Profession?" Zeitschrift für Sportpsychologie 30, no. 1 (January 2023): 36–37. http://dx.doi.org/10.1026/1612-5010/a000386.
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West, Julia. "A review of the key demands for a football goalkeeper." International Journal of Sports Science & Coaching 13, no. 6 (July 12, 2018): 1215–22. http://dx.doi.org/10.1177/1747954118787493.
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This review evaluates previously published findings relating to the needs of a football goalkeeper during match performance. Whilst there has been much interest in some aspects of goalkeepers training, performance analysis and needs analysis, these have been from closed skill penalty situations or reported as comparisons with outfield players. This paper identifies important demands, assesses the implications for coaching and as a result highlights where the focus for effective future research should be to further enhance the development of goalkeeping performance.
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Vignais, Nicolas, Benoit Bideau, Cathy Craig, Sébastien Brault, Franck Multon, and Richard Kulpa. "Virtual Environments for Sport Analysis: Perception-Action Coupling in Handball Goalkeeping." International Journal of Virtual Reality 8, no. 4 (January 1, 2009): 43–48. http://dx.doi.org/10.20870/ijvr.2009.8.4.2748.
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In sports science, the link between the experimental protocol and the subject's behaviour in real condition is a key issue. Virtual reality enables to examine this topic because of the reproducibility of situations and the total control of animated humanoids in situations similar to the real world. This study aimed to analyze the influence of the degree of perception-action coupling on the performance of handball goalkeepers in a virtual environment. 8 national handball goalkeepers were asked to react to the actions of a virtual handball thrower in two conditions: a perception-action uncoupled condition (defined as a judgment task) and a perception-action coupled condition (defined as a motor task). In the judgment condition, goalkeepers were asked to make a perceptual judgment with their hand in their own time after the virtual throw; in the motor task condition, goalkeepers had to react in real-time to the virtual throwing motion. Results showed that percentage of successful response was higher in the motor task condition and radial error (distance between the ball and the closest limb when trial was unsuccessful) was lower for the same condition. Implications of our findings are discussed, as well as suggestions for further research..
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Schorer, Jörg, Nico Heibült, Stuart G. Wilson, and Florian Loffing. "Sleep facilitates anticipation training of a handball goalkeeping task in novices." Psychology of Sport and Exercise 53 (March 2021): 101841. http://dx.doi.org/10.1016/j.psychsport.2020.101841.
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Muracki, Jarosław, Sebastian Klich, Adam Kawczyński, and Shellie Ann Boudreau. "Injuries and Pain Associated with Goalkeeping in Football—Review of the Literature." Applied Sciences 11, no. 10 (May 19, 2021): 4669. http://dx.doi.org/10.3390/app11104669.
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Knowledge and research about football goalkeeper (GK) injuries are scarce, which prevents the development of evidence-based injury prevention programs. Fortunately, progress is evident in injury prevention strategies in outfield football players. However, a GK fulfills a unique role, and an injured GK can substantially impact a team. Thus, there is a need to clarify and summarize current knowledge concerning football goalkeeper pain and injuries. This narrative review aims to present the best-evidence synthesis of knowledge about football GK injuries and pain, their type, location, and incidence. A secondary aim is to contrast these findings with outfield players and identify knowledge gaps. Scientific databases were searched for the following indexed terms: goalkeeper, injury, soccer, and football. Original papers, including case studies and systematic reviews published from August 1994 to March 2021, were screened for relevance using a priori criteria and reviewed. Commonly described injuries are fractures, luxation and dislocations in the fingers, hand and wrist. The quadriceps femoris and forearms muscles are the most frequently described muscle and tendon injuries. Further, football GK injuries differ in type, location, and incidence compared to outfield players. Whether GKs suffer fewer injuries than players in other positions, whether GK suffer more injuries in training than matches, and whether they sustain more upper limb injuries comparing to field players is still unclear and controversial. Few studies assess pain, and current data point to the development of hip and groin, thigh, knee, arm and forearm pain resulting from training and match play. Due to the crucial role of GK in the football team, it is recommended to use the injury burden as a parameter considering the number and time-loss of injuries in future studies.
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Otte, Fabian W., Keith Davids, Sarah-Kate Millar, and Stefanie Klatt. "Specialist role coaching and skill training periodisation: A football goalkeeping case study." International Journal of Sports Science & Coaching 15, no. 4 (May 3, 2020): 562–75. http://dx.doi.org/10.1177/1747954120922548.
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In sports like association football, professional teams are increasingly devoting resources to the role-based development of individual athletes and sub-groups. By employing ‘specialist coaches’ into athlete-support structures, clubs aim to facilitate individualised athlete training programs to enhance performance preparation as well as skill learning and talent development. Here, we discuss how contemporary pedagogical training approaches, like Nonlinear Pedagogy and the Constraints-Led approach, can enhance effectiveness of specialist role-based athlete development programs to facilitate performance functionality. We argue the need for a model of specialist role-based coaching practice in high performance sports organisations, based on a unified theoretical rationale, such as ecological dynamics. To exemplify the nature of specialist role-based coaching, a case study addresses how Nonlinear Pedagogy and Constraints-Led approach are being used for training professional football goalkeepers in an U23 years age group. Integrating key concepts from ecological dynamics, allied to principles of Nonlinear Pedagogy and the Constraints-Led approach, common skill training principles for specialist role coaches are highlighted. These illustrate the use of the recently introduced ‘Periodization of Skill Training’ framework for specialist role coaching, practically exemplifying a way to harness opportunities for performance enhancement and individualised talent development in the football goalkeeping context.
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Dicks, Matt, Chris Button, and Keith Davids. "Availability of Advance Visual Information Constrains Association-Football Goalkeeping Performance during Penalty Kicks." Perception 39, no. 8 (January 2010): 1111–24. http://dx.doi.org/10.1068/p6442.
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Zheng, Ran, John van der Kamp, Xinyong Song, and Geert Savelsbergh. "Affordance-based control in deceptive and non-deceptive penalties in soccer goalkeeping: Gender matters!" Psychology of Sport and Exercise 58 (January 2022): 102096. http://dx.doi.org/10.1016/j.psychsport.2021.102096.
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Basyaruddin Daulay and Wahyu Hardiansyah Nasution. "DEVELOPMENT OF VARIATIONS OF FUTSAL OBJECTIVE MANAGEMENT IN 2019 FUTSAL OBJECTIVES." Journal Physical Health Recreation 1, no. 2 (June 30, 2021): 132–39. http://dx.doi.org/10.55081/jphr.v1i2.281.
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This study aims to develop a variety of futsal goalkeeping training in futsal games. The population in this study were futsal goalkeepers who came from five futsal clubs in Medan and Deli Serdang, namely The Class futsal club, Namira Medan futsal club, SKP Deli Serdang futsal club, Fantastic futsal club and PTKS FC futsal club. Region I Medan in 2017. The variations that have been made in advance are validated by 3 experts, 1 person is a trainer who comes from the futsal club Bangsal 13, 1 person is a sports academic from Medan State University who has a sports education background, and 1 person is an expert goalkeeper coach who knows about futsal goalkeeping. The small group test involved 4 futsal goalkeepers and the large group test involved 15 futsal goalkeepers. There are 20 variations of the futsal goalkeeper training. The result of expert validation shows that the overall variation of the exercises can be used to improve the ability of the futsal goalkeeper where the average percentage of validity is 80%. The results of the small group test on 4 players showed that the 20 variations had met the eligibility or valid criteria. The percentage of validity of the questionnaires that have been distributed to the sample shows that 87% -100% of them admit that the variation meets the criteria to improve the ability of futsal goalkeepers. The results of a large group test of 16 futsal goalkeepers showed that the 20 models met the criteria for use. The percentage of validity of the questionnaires that have been distributed to the sample shows that 90% -100% of them admit that these variations have met the criteria to improve the ability of futsal goalkeepers. It can be concluded that these twenty variations are good for improving the ability of futsal goalkeepers to block shots at their goal and each variation is very important to do in training so that the training is not boring.
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Apriliyanto, Rizki. "PENGARUH PELATIHAN SPEED, AGILITY, QUICKNESS (SAQ) TERHADAP KECEPATAN REAKSI PENJAGA GAWANG SEPAKBOLA." COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 12, no. 2 (June 14, 2020): 120. http://dx.doi.org/10.26858/cjpko.v12i2.13792.
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The purpose of the study was to examine the effect of speed, agility, and quickness training on the reaction speed of the soccer goalkeeper. There are two groups, namely the experimental group with speed, agility, and quickness training and the control group with conventional training. The method used is experimental research using a randomized control group pretest-posttest design. The analysis technique uses a dependent paired t-test. Different test results can be seen that the t-value calculated in the experimental group 9787, the control group with a value of 1.990. influence is obtained from the value of p = 0.000 <0.05, which means that the training methods of speed, agility, and quickness can increase the reaction speed of the soccer goalkeeper. Football goalkeeping coach recommendations in increasing reaction speed in order to provide speed, agility and quickness training.
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Stoeve, Maike, Markus Wirth, Rosanna Farlock, André Antunovic, Victoria Müller, and Bjoern M. Eskofier. "Eye Tracking-Based Stress Classification of Athletes in Virtual Reality." Proceedings of the ACM on Computer Graphics and Interactive Techniques 5, no. 2 (May 17, 2022): 1–17. http://dx.doi.org/10.1145/3530796.
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Monitoring stress is relevant in many areas, including sports science. In that scope, various studies showed the feasibility of stress classification using eye tracking data. In most cases, the screen-based experimental design restricted the motion of participants. Consequently, the transferability of results to dynamic sports applications remains unclear. To address this research gap, we conducted a virtual reality-based stress test consisting of a football goalkeeping scenario. We contribute by proposing a stress classification pipeline solely relying on gaze behaviour and pupil diameter metrics extracted from the recorded data. To optimize the analysis pipeline, we applied feature selection and compared the performance of different classification methods. Results show that the Random Forest classifier achieves the best performance with 87.3% accuracy, comparable to state-of-the-art approaches fusing eye tracking data and additional biosignals. Moreover, our approach outperforms existing methods exclusively relying on eye measures.
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Peterson, Scott William, and Michaela Rose Bruton. "A review of the interaction between the striker and the goalkeeper at the individual tactical level in football." International Journal of Sports Science & Coaching 15, no. 3 (March 29, 2020): 452–64. http://dx.doi.org/10.1177/1747954120915193.
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Recent performance analysis techniques have attempted to move beyond a narrow focus on game outcomes by considering the game, team, group and individual tactical levels. Goals are decisive in football, yet the extent to which the individual goalkeeper had been studied was unknown. We therefore systematically searched the literature to determine the extent of studies that included actions related to the goalkeeper; of 711 titles retrieved, six met the full inclusion criteria. Despite sound study design in general, the use of World Cup matches might limit the generalisability of findings. Only 21% of the outcome variables extracted were comparable across studies, with 58 different variables used to describe actions involving the goalkeeper, which suggested significant conceptual disparity. Of greater concern, no studies presented the striker and goalkeeper interaction in relative terms. The development of an analytic model that quantifies this relationship is necessary to adequately characterise tactics and inform the practical requirements of goalkeeping tactical training.
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Mihaila, Ion, Mihai Cătălin Popescu, Xavier Pascual - Fuertes, Daniela Corina Popescu, Maura Stancu, Alexandru Acsinte, and Constantin Ciorba. "Characteristics of specific training in elite handball players specialized in goalkeeper position." Pedagogy of Physical Culture and Sports 28, no. 1 (February 28, 2024): 72–83. http://dx.doi.org/10.15561/26649837.2024.0108.
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Background and Study Aim. Elite handball goalkeepers undergo intensive training for reflexes and advanced techniques. They develop mental toughness to handle the pressure and responsibility at key moments of the game. Thus, they protect the goal of the team. This study aims to investigate and highlight the specific training characteristics of elite handball players specialized in the goalkeeper position. Material and Methods. The best 4 goalkeepers specialized in elite handball in Romania, aged between 22 and 33 years, were selected. Specific motor tests were used: Test 1 - Jumps 15 seconds; Test 2 – Reaction speed to visual stimulus; Test 3 – Execution speed. Technical tests were used: Test specific to goalkeeper, Triangle moving, The Ten Jump, Ball throwing, Standing long jump, Passes to a fixed point; The Cooper test. To improve specific training, there were applied strategies for training optimization which include stretching for mobility, segmental muscle strength, goalkeeping specific exercises and plyometrics. The nonparametric Spearman’s correlation coefficient was used to evaluate the relationship between technical training and motor skills parameters. The statistical significance level was set at p<0.05. Results. The performance of elite handball players specializing in goalkeeper position highlighted significant improvements in the Jumps 15 sec test. Contact time decreased by 0.13 seconds while the jump height increased by 0.55 cm, showing improved efficiency and power. In the Reaction speed to visual stimulus test, waiting time and reaction time decreased considerably, while the foot rising height increased. In the right and left leg Execution speed test, the differences observed reveal individual adaptations. The overall time is low in the right foot and there is a significant increase in the left foot. The nonparametric Spearman correlation analysis showed the relationship between the indices of technical fitness tests and the strength and speed motor skills. During Test 1 - Jumps 15 sec - 49 correlations were identified, of which 5.36% were statistically significant, highlighting strong connections between certain parameters. The analysis of Test 2 showed 56 correlations, but the lack of statistical significance reveals the absence of connections between the technical tests and the parameters of reaction speed manifestation. Regarding Test 3, a number of 28 correlations were identified. The lack of statistical significance suggests the absence of significant correlations between the technical tests and the execution speed. Conclusions. The performances of elite handball goalkeepers show significant improvements in motor and technical skills, highlighting the effectiveness of specific training and its adaptability. The progress in jumping and reaction speed indicates essential improvements for goalkeeping success, emphasizing the necessity for personalized and holistic training.
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Madsen, Esben Elholm, Tina Hansen, Dadi Rafnsson, Peter Krustrup, Carsten Hvid Larsen, and Anne-Marie Elbe. "Investigating the relationship between achievement motive and performance in elite-level football goalkeepers." Scandinavian Journal of Sport and Exercise Psychology 6 (April 10, 2024): 10–18. http://dx.doi.org/10.7146/sjsep.v6i.137102.
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The goalkeeper position in football is highly specific. Investigating the achievement motive of elite-level goalkeepers might help football coaches in general, goalkeeping coaches, and sports psychologists to gain insight into and knowledge of the approaches needed for enhancing the performance of this unique position within the football team. This study aimed to examine the achievement motive for male goalkeepers playing at the elite level in Denmark (n = 34) and Iceland (n = 20) and to investigate the relationship between the achievement motive, age and performance. In addition to biographical questions, the study employed the Achievement Motives Scale – Sport. The findings from the present study suggest that goalkeepers are characterized by higher hope for success than fear of failure values, like other elite athletes, while younger goalkeepers had significantly higher fear of failure. There were no differences between starting and non-starting goalkeepers, but we found that performance level was associated with fear of failure when controlling for the goalkeeper’s status (starters versus non-starters) and playing country. Finally, goalkeepers playing in Denmark showed lower fear of failure than goalkeepers playing in Iceland. Implications for practice and future research are discussed.
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Weigelt, Matthias, Daniel Memmert, and Thomas Schack. "Kick it like Ballack: The effects of goalkeeping gestures on goal-side selection in experienced soccer players and soccer novices." Journal of Cognitive Psychology 24, no. 8 (December 2012): 942–56. http://dx.doi.org/10.1080/20445911.2012.719494.
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Evans, Stuart A., Rodrigo Bini, Gregory Davis, and James Lee. "Float like a Butterfly: Comparison between Off and On-Ice Torso Kinematics during the Butterfly Stance in Ice Hockey Goalkeepers." Sensors 22, no. 19 (September 27, 2022): 7320. http://dx.doi.org/10.3390/s22197320.
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In ice hockey, the butterfly style/stance is a technique distinguished by the goalkeepers (goalie) dropping to their knees to block attempts to score. Although this goalie style has been around for many years, comparisons between on and off-ice attire has not been undertaken. Therefore, this preliminary study compared differences in torso acceleration and energy expenditure by way of the Metabolic Equivalent of Task (MET) during off-ice and on-ice butterfly stances/saves. Seven participants each performed 8 on-ice butterfly saves/stances whilst wearing full hockey attire followed by 8 off-ice butterfly stances without wearing full hockey attire whilst torso acceleration was collected. The off-ice movement significantly increased vertical torso acceleration (p < 0.01, d > 0.90) with increased MET, compared to on-ice motion. Despite no significant difference in anteroposterior and mediolateral torso kinematics, vector magnitudes were significantly greater (p < 0.01, d > 0.90) when the stance was performed off-ice. The increased vertical acceleration observed when goalies performed the movement off-ice could be due to a failure to maintain adequate posture without the support of the external load. The results of this study may help inform off-ice training interventions for ice hockey goalkeeping.
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Müller, Sean, Yasmin Gurisik, Mark Hecimovich, Allen G. Harbaugh, and Ann-Maree Vallence. "Individual Differences in Short-Term Anticipation Training for High-Speed Interceptive Skill." Journal of Motor Learning and Development 5, no. 1 (June 2017): 160–76. http://dx.doi.org/10.1123/jmld.2016-0029.
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Training studies in a variety of domains focus on between-group comparisons. This study investigated individual differences in learning based upon visual anticipation training using field hockey goalkeeping as the exemplar motor skill. In a within-subject design, four state-league level field hockey goalkeepers were tested before and after visual anticipatory training in an in-situ test that required them to save goals from a drag flick. Response initiation time and response accuracy were measured. Participants were tested at baseline, completed a control phase of sport-specific practice, were retested, then given an intervention phase of temporal occlusion training plus sport-specific practice, and retested. Results indicated that two goalkeepers’ response initiation times were earlier after the intervention. Effect sizes indicated that the two goalkeepers improved response accuracy after the intervention. Another goalkeeper’s response initiation time was later after the intervention, but this did not impede response accuracy of goals saved. The mechanism of individual learning appeared to be modulation of response timing to save goals. Anticipation training can improve in-situ visual-perceptual motor skill performance in an individualized and nonlinear fashion. Further research is needed to better understand how each individual learns the visual-perceptual motor skills of high time-stress tasks in the sport domain.
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Zheng, Ran, Caroline de Reus, and John van der Kamp. "Goalkeeping in the soccer penalty kick: The dive is coordinated to the kicker's non-kicking leg placement, irrespective of time constraints." Human Movement Science 76 (April 2021): 102763. http://dx.doi.org/10.1016/j.humov.2021.102763.
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Pelechrinis, Konstantinos, and Wayne Winston. "A Skellam regression model for quantifying positional value in soccer." Journal of Quantitative Analysis in Sports 17, no. 3 (January 6, 2021): 187–201. http://dx.doi.org/10.1515/jqas-2019-0122.
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Abstract Soccer is undeniably the most popular sport world-wide and everyone from general managers and coaching staff to fans and media are interested in evaluating players’ performance. Metrics applied successfully in other sports, such as the (adjusted) +/− that allows for division of credit among a basketball team’s players, exhibit several challenges when applied to soccer due to severe co-linearities. Recently, a number of player evaluation metrics have been developed utilizing optical tracking data, but they are based on proprietary data. In this work, our objective is to develop an open framework that can estimate the expected contribution of a soccer player to his team’s winning chances using publicly available data. In particular, using data from (i) approximately 20,000 games from 11 European leagues over eight seasons, and, (ii) player ratings from the FIFA video game, we estimate through a Skellam regression model the importance of every line (attackers, midfielders, defenders and goalkeeping) in winning a soccer game. We consequently translate the model to expected league points added above a replacement player (eLPAR). This model can further be used as a guide for allocating a team’s salary budget to players based on their expected contributions on the pitch. We showcase similar applications using annual salary data from the English Premier League and identify evidence that in our dataset the market appears to under-value defensive line players relative to goalkeepers.
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Supriadi, Amir, Mesnan, Filli Azandi, Muhammad Reza Destya, and S. M. Farooque. "Enhancing goalkeeper reaction speed in football: The impact of ball launcher training in physical training methods." Journal Sport Area 8, no. 3 (December 18, 2023): 447–56. http://dx.doi.org/10.25299/sportarea.2023.vol8(3).14758.
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The football goalkeeper position arguably represents a unique role in team sports. This research aimed to increase the reaction speed of football goalkeepers using a ball launcher. The research method was experimental using a one-group pretest-posttest design. The research was conducted by applying reaction speed training using a ball launcher to measure and found out the results of the data obtained by researchers using the Statistical Package for the Social Sciences (SPSS) software. The research sample consisted of 20 students of the Department of Sports Coaching Education at Universitas Negeri Medan who specialised as football goalkeepers. The instrument used in data collection techniques was the Nelson Foot Reaction. The data analysis technique used was a t-test with a significance level of 0.05. The research results concluded that there was a significant effect of training using a ball launcher on the reaction speed of the goalkeeper. The results can be used as a basis for developing more effective and innovative training methods in the sport of football. In addition, the findings can provide guidance for coaches and researchers in developing relevant and efficient training methods. This study also opens the door for further research to explore the impact of reaction speed in actual match situations, which may yield further insights into the development of quality goalkeeping athletes.
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Smolarczyk, Marcin. "Decreasing number of distance shooting in handball – trend of nowadays male handball competition." Biomedical Human Kinetics 15, no. 1 (January 1, 2023): 83–88. http://dx.doi.org/10.2478/bhk-2023-0011.
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Abstract Study aim The aim of this study was to analyze and compare performance data structure in two consecutive EHF Men's EURO competition in 2020 and 2022 in order to highline significance of differences in two-year cycle of European Championships. Material and methods Official game reported data of all 65 games of 24 teams participated in both tournaments was collected and analyzed in order to claim the tendencies in handball development. The data concerns number of attacks and shots regarding its context, on court location and efficiency, turnovers and goalkeeping efficiency. Mean Values (M), Standard Deviation (SD), minimal and maximal values (MIN, MAX) and percentage (%) were used in the analysis. The significance of differences related to the task was determined by the Mann-Whitney U Test. All the calculation and analysis were made using STATISTICA software. Results Significant decrease in the number of distance shots (9m) in EHF EURO 2022 in comparison to EHF EURO 2020 (−24.2%, p < 0.01) was revealed. The disparity within the performed actions of EHF EURO 2022 was found in greater number of shots taken from near distance center area (6 m Center) when compared to EHF EURO 2020 (+20%, p < 0.05). Higher number of breakthrough shots in 2022 than in 2020 (+19.6%) was noticed. Conclusions The analysis revealed changes developing in the characteristic of offensive structure, what should have impact on training routine in order to achieve high level of performance.
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Vladovic, Jakov, Sime Versic, Nikola Foretic, Ryland Morgans, and Toni Modric. "Quantification of External Training Load among Elite-Level Goalkeepers within Competitive Microcycle." Applied Sciences 13, no. 19 (September 30, 2023): 10880. http://dx.doi.org/10.3390/app131910880.
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This study aimed to evaluate the external training load (ETL) of elite-level goalkeepers considering days before match day (MD minus) and playing status in subsequent matches. The ETL of three goalkeepers from the Croatian highest national football competition were analyzed, quantifying goalkeeping-specific physical performance variables (i.e., distances covered, acceleration frequencies, dives, jumps). Data were collected using a 10 Hz global-positioning system and 100 Hz accelerometer technology (Vector G7, Catapult Sports Ltd., Melbourne, Australia) from 67 training sessions. Significant daily differences for almost all physical performance variables were found (all small-to-medium effect sizes (ESs)). Specifically, total distance, total and high-intensity dives, high-intensity accelerations and decelerations, and explosive efforts were greatest on MD-3 and lowest on MD-2 and MD-1. Nonstarters performed more medium jumps on MD-4 (large ES); low jumps on MD-3 (medium ES); total, right-, and left-side dives and low jumps on MD-2 (all small-to-medium ESs); and left-side dives and low and medium jumps on MD-1 (all small-to-medium ESs) compared to the starters. These findings demonstrated that (i) elite-level goalkeepers experienced the greatest ETL on MD-3 and the lowest on MD-2 and MD-1 and that (ii) starters’ and nonstarters’ ETLs were similar on MD-4 and MD-3, while nonstarters compared to the starters presented slightly greater ETLs on MD-2 and MD-1. This study highlighted the differing daily training demands placed on elite-level goalkeepers, offering valuable insights for their preparation.
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Minal Goyal, Manharleen Kaur, Loveleen, and Navneet Kaur. "Effect of Immersive Virtual Reality Environment on Reaction Time, Agility and Coordination among Collegiate Students." Indian Journal of Physiotherapy & Occupational Therapy - An International Journal 18, no. 1 (January 9, 2024): 65–71. http://dx.doi.org/10.37506/39r36285.
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Background: Virtual reality is the sum of the hardware and software systems that seek to perfect an all-inclusive, sensory illusion of being present in another environment which is applied to a broad range of sports such as skiing, goalkeeping rugby union, baseball and basketball, pistol shooting and cycling speed. Reaction time is the elapsed time between stimulus onset and an individual’s response on elementary cognitive tasks. Coordination is the capability to perform a sequence of movements rhythmically smoothly and accurately. Agility refers to the capacity to quickly change the location of the entire body in space with quickness and accuracyObjectives: The main objective of this study was to see the effect of virtual reality table tennis on coordination, reaction time and agility among collegiate students.Material and Methods: Based on inclusion and exclusion criteria, 60 collegiate students of age group 18-24 years were taken. The subjects were divided into two groups as group A and group B of 30 each. Group A played table tennis game in real environment and group B played table tennis in virtual environment. Pre and post score were taken for coordination, reaction time and agility using hand eye coordination test, plate tapping test and Davies test respectively. The data was collected, compiled and analyzed.Result:Descriptive statistics, paired & unpaired ‘t’ test were used for the intra-group and intergroup comparison.Significant improvements were seen in post scores of coordination, reaction time and agility in both groups at 0.05 level in both real and virtual table tennis groups. However, when both groups were compared, non-significant differences were observed in all the variables.Conclusion:The study concluded that virtual reality table tennis is as effective as real table tennis in improving reaction time, coordination and agility among collegiate students.
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Wörner, Tobias, Benjamin Clarsen, Kristian Thorborg, and Frida Eek. "Elite Ice Hockey Goalkeepers Have a High Prevalence of Hip and Groin Problems Associated With Decreased Sporting Function: A Single-Season Prospective Cohort Study." Orthopaedic Journal of Sports Medicine 7, no. 12 (December 1, 2019): 232596711989258. http://dx.doi.org/10.1177/2325967119892586.
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Background: The modern style of goalkeeping in ice hockey is thought to predispose athletes to hip and groin problems. However, little is known about the magnitude of these problems in elite goalkeepers. Purpose: To describe the incidence, prevalence, and severity of hip and groin problems in elite ice hockey goalkeepers over the course of a single season. Study Design: Descriptive epidemiology study. Methods: We invited all elite Swedish ice hockey goalkeepers (n = 128) to participate in this prospective cohort study. Every second week, players reported hip and groin problems experienced within the past 14 days on the Oslo Sports Trauma Research Center Overuse Injury Questionnaire (OSTRC-O), classifying problems into “all” and “substantial” hip and groin problems. Three times during the season (pre-, mid-, and end-season), players reported hip and groin function on the Hip and Groin Outcome Score (HAGOS) as well as on the OSTRC-O. Results: A total of 101 goalkeepers participated in the study (83.3% male [seniors, 44.1%; juniors, 39.2%], 16.7% female). The cumulative incidences of all hip and groin problems and substantial hip and groin problems were 69% (95% CI, 59%-79%) and 36% (95% CI, 26%-46%), respectively. The average biweekly prevalence for all hip and groin problems and substantial hip and groin problems was 28.1% (95% CI, 25.0%-31.3%) and 10% (95% CI, 8.7%-11.4%), respectively. Among all the reported hip and groin problems, 16.9% (n = 70) were acute, 83.1% (n = 343) were because of overuse, and 15.5% (n = 64) led to time loss. HAGOS did not differ in the pre-, mid-, or end-season. Players reporting hip and groin problems on the OSTRC-O had significantly worse HAGOS scores than players without problems ( P < .01). Conclusion: Hip and groin problems are highly prevalent in elite ice hockey goalkeepers. During a competitive season, 69% of players experienced hip and groin problems and 36% of players suffered from substantial problems. The vast majority of problems were because of overuse, not leading to time loss but related to reduced self-reported hip and groin function.
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Mercado-Hernández, Valentín, Daniel Duclos-Bastías, and Frano Giakoni-Ramírez. "Diferencias en las acciones defensivas y ofensivas de porteros clasificados y no clasificados a la Copa del Mundo FIFA 2018 (Differences in defensive and offensive actions of qualified and non-qualified goalkeepers at the 2018 FIFA World Cup)." Retos 44 (February 3, 2022): 928–35. http://dx.doi.org/10.47197/retos.v44i0.90807.
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El estudio de las acciones ofensivas y defensivas del portero requiere especial atención para lograr identificar los indicadores de rendimiento y el éxito de la ejecución de las acciones de porteros en el fútbol. Del mismo modo, se debe poner énfasis en evidenciar parámetros acerca de la importancia del nivel del equipo sobre el éxito de las acciones del portero. El objetivo del presente trabajo es conocer las acciones ofensivas y defensivas que realizan los porteros y determinar si se presentan diferencias entre porteros de selecciones nacionales clasificados y no clasificados a la fase eliminatoria de la copa del mundo de la FIFA Rusia 2018. Se analizaron 48 partidos de la competición. Los resultaron mostraron que se realizó una mayor ejecución de acciones ofensivas (n = 2213) que defensivas (n = 1419). Los porteros de selecciones clasificadas obtuvieron valores altos en blocaje medio (M = 1,02 ±1,21), pase (M = 5,20 ±5,07) y pase con balón en movimiento (M = 2,55 ± 2,11) mientras que los porteros de selecciones no clasificadas obtuvieron valores altos en blocaje bajo (M = 2,25 ±1,78) y saque (M = 5,). Se obtuvieron diferencias significativas (p > 0,05) en las variables de reducción de espacio, balon suelto, blocaje en dos tiempos, despeje y pase.
Abstract. The study of the goalkeeper's offensive and defensive actions requires special attention in order to identify performance indicators and the success of the execution of goalkeeping actions in football. In the same way, emphasis should be placed on evidencing parameters about the importance of the level of the team on the success of the goalkeeper's actions. The aim of this study is to know the offensive and defensive actions performed by goalkeepers and to determine if there are differences between goalkeepers of national teams qualified and not qualified for the knockout phase of the FIFA World Cup Russia 2018. Forty-eight matches of the competition were analysed. The results showed that more offensive (n = 2213) than defensive (n = 1419) actions were performed. Goalkeepers of ranked teams obtained high values in medium blocking (M = 1.02 ±1.21), passing (M = 5.20 ±5.07) and passing with ball in motion (M = 2.55 ± 2.11) while goalkeepers of unranked teams obtained high values in low blocking (M = 2.25 ±1.78) and serving (M = 5,). Significant differences (p > 0.05) were obtained in the variables of space reduction, loose ball, two-time blocking, clearance and passing.
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Mosquera Ulcuango, Edgar Froylan. "Importancia de las capacidades coordinativas especiales en el tiro a portería de los futbolistas sub-12." Revista Cognosis 7, no. 1 (March 28, 2022): 159–72. http://dx.doi.org/10.33936/cognosis.v7i1.4535.
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El fútbol es un deporte practicado a nivel mundial, siendo parte fundamental su práctica en edades tempranas, uno de sus principales fundamentos es el tiro a portería, que es la acción técnica que involucra el lanzamiento del balón a la portería del equipo contrario, que puede ejecutarse con las extremidades inferiores, tronco y cabeza. Esta acción está relacionada directamente con las capacidades coordinativas; que son un elemento importante en el entrenamiento de fútbol formativo, siendo parte fundamental en esta investigación se estableció como objetivo, fundamentar la importancia del entrenamiento de las capacidades coordinativas especiales en el tiro a portería en futbolistas Sub-12, la metodología se basó en un estudio de revisión teórica, que utiliza métodos como el analítico – sintético para el procesamiento y análisis de la información, así como el inductivo-deductivo para ir de lo específico como es el tiro a la puerta, a lo general como es el desenvolvimiento coordinativo del deportista en la ejecución de la técnica del tiro a la puerta, el tipo de investigación es documental, a través de la cual se establece un análisis de la información obtenida de datos secundarios. Entre los hallazgos fundamentales se pudo determinar que los distintos autores determinan en sus estudios que los ejercicios de coordinación potencian la técnica de los niños en edades tempranas, por lo tanto, mejoran los aspectos como el control, la estabilidad y el tiro a portería.
PALABRAS CLAVE: Capacidades coordinativas especiales; fútbol; portería; tiro.
Importance of special coordination abilities in the shot at goal of U-12 soccer players
ABSTRACT
Soccer is a worldwide sport, and its practice at early ages is an essential aspect. One of its fundamentals is goal shooting, which is a technical activity that involves kicking the ball into the opponent's goal. This can be done with the lower limbs, trunk, and head. This action is directly related to coordinative abilities, which are an important element in formative soccer training, and a vital part of this research. It was established as an objective to substantiate the significance of special coordination skills training in goal shooting by U-12 soccer players. The methodology was based on a theoretical review, which uses methods such as the analytical-synthetic for the processing and analysis of information, as well as the inductive-deductive method to go from the more specific (as in the goal shooting) to the more general (as in the sportsman's coordination development in the goal shooting technique). The type of research is documentary, through which an analysis of the secondary data information is established. Among the primary findings, there were some researchers who determined that coordination exercises enhance children's technique at early ages. Therefore, they improve areas such as control, stability, and goal shooting.
KEYWORDS: Special coordinative abilities; soccer; goalkeeping; kicking.
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Modolo, Felipe, and Rafael Pombo Menezes. "Características técnico-táticas dos goleiros de handebol da categoria sub-16: Opinião de treinadores brasileiros." Cuadernos de Psicología del Deporte 19, no. 1 (January 16, 2019): 206–21. http://dx.doi.org/10.6018/cpd.346291.
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O objetivo deste estudo foi identificar e discutir as características técnico-táticas mais relevantes a serem abordadas nos treinamentos dos goleiros da categoria sub-16 no handebol, a partir da opinião de um grupo de treinadores brasileiros. Optou-se por uma abordagem qualitativa, a partir de entrevistas semiestruturadas com 19 treinadores de equipes masculinas e/ou femininas da categoria sub-16, que participaram de competições organizadas pelas duas maiores ligas de handebol do Estado de São Paulo no ano de 2016. Os depoimentos foram tabulados e analisados com base no método do Discurso do Sujeito Coletivo (DSC). Foi possível identificar dois discursos principais: o DSC1 se referiu à importância da posição de base e dos gestos técnicos específicos, com foco principal na execução do movimento; o DSC2 destacou a importância dos processos inerentes à tomada de decisão dos goleiros, como percepção de sinais relevantes que podem fornecer subsídios para que o goleiro selecione a técnica mais adequada para defender. Embora tenha sido mencionada a importância de diferentes técnicas, não necessariamente os movimentos devem ser treinados de maneira estereotipada, mas orientados à resolução dos problemas apresentados nas situações de jogo, principalmente por ser uma etapa em que a especialização por postos específicos é intensificada. Nesse sentido, os resultados podem ser utilizados para compreender os requisitos dessa etapa de formação, subsidiar a elaboração das sessões de treinamento para o desenvolvimento técnico e tático do goleiro. Os resultados também são generalizáveis a equipes de qualquer contexto, considerando as experiências prévias e as características individuais dos goleiros. The aim of this study was to identify and to discuss the main technical-tactical aspects to be emphasized in the training of goalkeepers of the under-16 handball teams, based on the speeches of a group of Brazilian coaches. We opted for a qualitative approach, based on semi-structured interviews with 19 under-16 teams (male and/or female) coaches who participated in competitions organized by the two main handball leagues of the State of São Paulo in 2016. The speeches were tabulated and analyzed based on the Collective Subject Discourse (CSD) method. Two main discourses were identified: DSC1, which referred to the importance of the basic position and the specific technical gestures, with a main focus on the movement efficiency; and DSC2, which emphasized the importance of goalkeeping decision making, as perceived relevant signals that can provide subsidies for the goalkeeper to select the most appropriate technique to defend. Although the importance of different techniques has been mentioned, they should not be trained in a stereotyped way, but oriented to solve problems presented in the different situations of game, mainly because it is a stage that the specialization by specific positions is intensified. In this sense, the results can be used to understand the requirements of this training stage and to subsidize the organization of the training sessions for the technical and tactical development of the goalkeeper. The results are also generalizable to teams from any context, considering previous experiences and individual characteristics of goalkeepers.
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McKenzie, Hamish. "Last man standing: goalkeeping – an art or a science?" Accounting, Auditing & Accountability Journal, December 5, 2022. http://dx.doi.org/10.1108/aaaj-05-2022-5826.
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PurposeThe current paper is a comment on goalkeepers in football. This paper aims to explore the skillset of the contemporary goalkeeper and whether these can be reliably measured. This paper advocates the recognition of the goalkeeper as the most important member of the football team.Design/methodology/approachThis paper draws on the work of Bourdieu (1995) to examine the impact of calculative practice on the art of goalkeeping. This reveals the diffusion of calculations to goalkeeping but challenges whether these statistics are robust. This study used the Internet (Jeacle, 2021) to explore the multiple dimensions of this study.FindingsThe comment argues a case for the goalkeeper as the principal actor in the football team. From an accountability perspective, the impact of the goalkeeper can be profound, the more so because of rule changes. Whilst calculative practice has entered the world of the goalkeeper, the practice is questionable if contemporary metrics are not robust and more sophisticated performance indicators are required. Increasing transfer costs highlight the need for objective measures of goalkeeping performance.Originality/valueThis paper is novel in that the paper attempts to broaden the scope of accounting scholarship into a new domain of football in popular culture.
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Capalbo, Alexandra, Raymond G. Miltenberger, and Jennifer L. Cook. "Training soccer goalkeeping skills: Is video modeling enough?" Journal of Applied Behavior Analysis, May 26, 2022. http://dx.doi.org/10.1002/jaba.937.
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Otte, Fabian, Tim Dittmer, and Julia West. "Goalkeeping in Modern Football: Current Positional Demands and Research Insights." International Sport Coaching Journal, 2022, 1–9. http://dx.doi.org/10.1123/iscj.2022-0012.
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The goalkeeper (GK) in association football arguably presents a critical playing position within a modern game that often appears to be highly dynamic, unpredictable, and constantly changing. Because of the privilege in using the hands and FIFA’s “back-pass law,” the list of GK tasks extends to a wide range of responsibilities in possession of the ball and when defending the goal and space. With the aim of providing an applied overview of the complex GK demands in the modern football game and consequences for position-specific coaching, the following article presents current practical advances on the various areas of physical, tactical–technical, mental/psychological, and social GK development. To further showcase complex GK tasks and actions, a framework of tactical–technical areas in goalkeeping is introduced and linked to recent empirical research in the field of goalkeeping and coaching. This understanding of position-specific demands may support future development of individualised, athlete-centred training interventions, coaching approaches, and match performance analysis. Along the way, the article offers several avenues for future research contributions to this unique field within football studies and further aims to stimulate readers’ and coaches’ thoughts about various matters related to specialist and individual development coaching.
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Huesmann, Kim, Florian Loffing, Dirk Büsch, Jörg Schorer, and Norbert Hagemann. "Varying Degrees of Perception-Action Coupling and Anticipation in Handball Goalkeeping." Journal of Motor Behavior, October 18, 2021, 1–10. http://dx.doi.org/10.1080/00222895.2021.1984868.
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Błażkiewicz, Aleksander, Monika Grygorowicz, Arkadiusz Białostocki, and Dariusz Czaprowski. "Characteristics of goalkeeping injuries: a retrospective, self-reported study in adolescent soccer players." Journal of Sports Medicine and Physical Fitness 58, no. 12 (November 2018). http://dx.doi.org/10.23736/s0022-4707.18.07849-0.
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Huesmann, Kim, Jörg Schorer, Dirk Büsch, Jelto Witt, and Florian Loffing. "Expert goalkeepers’ and coaches’ views on anticipation and cue utilisation facing backcourt throws in handball goalkeeping." Frontiers in Sports and Active Living 5 (October 9, 2023). http://dx.doi.org/10.3389/fspor.2023.1215696.
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IntroductionHandball goalkeepers have to act under severe spatio-temporal pressure in both standardised (e.g., 7 m penalty) and non-standardised situations (e.g., backcourt throws) which require them to predict action outcome before ball flight is visible. So far, research on goalkeepers’ cue utilisation for anticipation of an opponent’s action has mainly focused on 7 m throw situations whereas little attention has been paid to the latter, more complex and far more frequently occurring backcourt throw situations.MethodsTo address this gap, we conducted semi-structured interviews with N = 6 expert handball goalkeepers and goalkeeper coaches [all of whom were (former) expert handball goalkeepers] on anticipation and cue utilisation when facing backcourt throws. The interviews were subsequently transcribed, coded and results were inductively as well as deductively categorised by means of a thematic analysis.ResultsResults reveal a variety of kinematic and contextual cues relevant for action anticipation that become available before the game and before or during the throw. Participants reported to use information from the offence (e.g., thrower’s jump; opposing team’s task distribution) and the defence (e.g., defensive players’ strategies, block position) for anticipation in backcourt throw situations. Additionally, we identified several factors that influence cue availability and utilisation.DiscussionOur findings provide a thorough basis to (a) guide future research that yields questions on kinematic and contextual cue integration and in-situ cue usage as well as (b) inform the development of training programs to foster goalkeepers’ anticipatory skill.
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Loffing, Florian, Florian Sölter, Norbert Hagemann, and Bernd Strauss. "Accuracy of Outcome Anticipation, But Not Gaze Behavior, Differs Against Left- and Right-Handed Penalties in Team-Handball Goalkeeping." Frontiers in Psychology 6 (December 1, 2015). http://dx.doi.org/10.3389/fpsyg.2015.01820.
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Ahmad Hidayat, Ryan, Asep Angga Permadi, and Irwan Hermawan. "Pendidikan Jasmani, Fakultas Pendidikan Islam dan Keguruan, Universitas Garut." Jurnal Porkes 5, no. 1 (June 30, 2022). http://dx.doi.org/10.29408/porkes.v5i1.5187.
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Goalkeepers have a very big role in the game of football. Attack and defense in football game starts from the goalkeeper. The Goalkeeper just has good concentration and speed to play football. According to observations made by researchers, the obstacles that exist in football goalkeepers are the ability to reaction speed and performance during match due to the lack of variation training method. Therefore, with the goalkeeping reaction training, it is expected to be able to train skills, especially reaction speed and performance when competing well which can support the quality of soccer goalkeepers. The purpose of this study was to determine whether there was an effect to reaction training on reaction speed and goalkeeper performance during matches. The research is an experimental study using the a pretest-posttest design. The population in this study were all 10 goalkeepers at the SSB Putra Bungbulang. The technique used to sample is a saturated sampling technique. Data analysis on the study are normality test, homogeneity test, and hypothetical test. Based on the result of the data analysis carried out, it was stated that there was a significant increase in reaction training on the performance of the goalkeeper at SSB Putra Bungbulang as evidenced by a significance value of Significant (2-tailed) 0,000<0,05.
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Otte, Fabian W., Martyn Rothwell, Carl Woods, and Keith Davids. "Specialist Coaching Integrated into a Department of Methodology in Team Sports Organisations." Sports Medicine - Open 6, no. 1 (November 16, 2020). http://dx.doi.org/10.1186/s40798-020-00284-5.
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AbstractWith increasing resources in sports organisations being allocated to the development and preparation of individual athletes and sub-groups with specialist performance roles, the work of coaches, specialist (role) coaches and support staff needs to be functionally and coherently integrated. This integration of sport science support and coaching can be administered by staff in a Department of Methodology (DoM). Particularly, in this paper, we propose how specialist coaching can be situated in a DoM, presenting a model advocating effective functioning in high-performance team sports organisations. Using principles of ecological dynamics, we provide a rationale for a functional methodology for the design of practice tasks in a DoM that views learners as wayfinders, self-regulating their way through competitive performance environments. This rationale for athlete self-regulation in practice could improve athlete performance by enhancing problem solving, engagement with constraints of learning designs and supporting better attunement to contextual information abundant in a competitive environment. Finally, by introducing this unified and multidisciplinary DoM, specialist coaches, team coaches and sport science support staff, within the organisational structure, can collaboratively debate and co-design individualised athlete training programmes to enrich skill adaptability and performance functionality. To underline these contentions, three high-performance sport case studies from Australian Football: goalkeeping in Association Football and Rugby League are presented.
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Galdino, Matheus, and Pamela Wicker. "A culture of constraints: How head coach turnovers affect the backroom staff and player development in professional football." International Journal of Sports Science & Coaching, October 30, 2023. http://dx.doi.org/10.1177/17479541231207704.
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In professional football, head coach turnovers are arbitrarily perceived as a shortcut solution to convert losing streaks into winning results within time-limited competitive seasons. Despite a speculative mentality guiding turnover decisions, a new coach is invariably appointed with the expectation of improving performance. As often overlooked, however, coaching replacements inevitably create unintended club-wide spillover effects. This study addresses two related club-wide research questions: (1) How do head coach turnovers affect player development at the team level?; and, (2) What are the spillover effects for backroom staff? Undertaken in Brazil, where turnover rates exceed those in Europe, 30 backroom staff practitioners (i.e., assistant coaches, goalkeeping coaches, fitness coaches, physical therapists, physiologists, and a medical doctor) completed semistructured interviews focused on their experiences. A reflexive thematic analysis revealed an overarching culture of constraints driven by conflicting behaviors and working practices. Three themes were highlighted at the team level: pragmatic playing style, methodological mismatch, and delaying team cohesion. At the individual level, four themes were identified: internal disruption, repetitive adaptations, job insecurity, as well as mental and emotional unrest. The findings indicate how within-season coaching turnovers represent a hazard that unintentionally constrains the mutual collaboration among the stakeholders directly involved with player development.
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Jia, Teng, Jirarat Sitthiworachart, and John Morris. "Application of Simulation Technology in Football Training: A Systematic Review of Empirical Studies." Open Sports Sciences Journal 17, no. 1 (January 8, 2024). http://dx.doi.org/10.2174/011875399x277947231228071109.
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Background This review aimed to cover the characteristics and functions of simulation tools applied to football training, the process and results of empirical research, the benefits of simulation tools for football training, and existing challenges. Materials and Methods To investigate and analyze the effect of simulation technology in football training, the PRISMA method was used to systematically review 18 relevant empirical studies published between January, 2014 and July, 2023. Results The study identified three types of tools for applying simulation technology to football training, including head-mounted displays, Cave Automatic Virtual Environment (CAVE), and Screen-Based Simulation. These tools have been effective in training football playing techniques (including goalkeeping, heading, etc.) as well as football tactical skills (including perception-cognitive and decision-making) and can be used as a supplement to regular training. Conclusion If simulation technology is to enhance football training, we suggest that it is necessary to carefully verify the validity of the tool and the long-term impact of simulation training on participants and verify that simulation actually translates to real-world games. At the same time, it is suggested that future research could explore training with mixed VR and AR to develop more realistic and effective training platforms.
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Ramsey, Harry, Chris Button, Keith Davids, Guillaume Hacques, Ludovic Seifert, and Matt Dicks. "Considerations for the study of individual differences in gaze control during expert visual anticipation: an exploratory study." Movement & Sport Sciences - Science & Motricité, 2020. http://dx.doi.org/10.1051/sm/2020006.
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Recent perspectives for the study of perceptual-motor expertise have highlighted the importance for considering variability in gaze behaviour. The present paper explores the prevalence of variability in gaze behaviour in an anticipation task through examining goalkeepers gaze behaviours when saving soccer penalty kicks, with a primary focus on offering new considerations for the study of variability in gaze behaviour. A subset of data from five goalkeepers in the previously published article of Dicks et al. ((2010) Attention, Perception, & Psychophysics, 72(3), 706–720) were reanalysed, with a focus on ten successful penalty saves for each goalkeeper. As the aim was to conduct exploratory analyses of individual differences in goalkeeping performance, data were not averaged across participants and instead intra- and inter-individual differences are described using descriptive statistics. The main observation was that variation in the goalkeepers’ gaze behaviours existed and were evident both between and within individuals, specifically with regards to quiet eye duration but also for percentage viewing time and visual search patterns. However, QE location appeared to represent the only invariant gaze measure with the location being on the ball for the majority of trials. The current exploratory analysis suggested that experienced goalkeepers did not converge on the same gaze patterns during successful anticipation performance. The implications of these findings are discussed in relation to extant gaze behaviour literature before considering implications for future research.
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D’Hooghe, Pieter, Alberto Grassi, Francesco Della Villa, Khalid Alkhelaifi, Emmanouil Papakostas, Raouf Rekik, Theodorakys Marin, Filippo Tosarelli, and Stefano Zaffagnini. "The injury mechanism correlation between MRI and video-analysis in professional football players with an acute ACL knee injury reveals consistent bone bruise patterns." Knee Surgery, Sports Traumatology, Arthroscopy, June 13, 2022. http://dx.doi.org/10.1007/s00167-022-07002-6.
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Abstract Purpose To analyze the MRI features, in particular bone bruises pattern, of Anterior Cruciate Ligament (ACL) injured footballers, and to correlate them with the characteristics of injury mechanism and situation obtained from direct video footage. Methods Nineteen professional football (soccer) players that sustained ACL injury while playing during an official match of First League Championship were included in the study. The video of injury was obtained from the Television broadcast. Knee Magnetic Resonance (MRI) was obtained within 7 days from the injury. BB and meniscal lesions were analyzed on MRI, while a video-analysis of mechanisms of ACL injury and injury dynamic were assessed from the videos. Results The most commonly involved Bone Bruise areas in the knee were the Posterior Lateral Tibial Plateau (LTp) in 16 cases (84%) and the Central Lateral Femoral Condyle (LFc) in 11 cases (58%). Three patients (16%) had bone bruise in the Posterior Medial Tibial Plateau (MTp) while none (0%) had bone bruise in the Medial Femoral Condyle. Based on the bone bruise pattern, 11 (58%) had simultaneous LFc and LTp and were defined “Typical” while 8 (42%) had other locations or no bone bruise and were defined “Atypical”. 9 out of 11 injuries (82%) of athletes with “Typical” pattern occurred with a “Pivoting” action”, in contrast to only 1 case (12%) in those with “Atypical” bone bruise pattern (p = 0.0055). The most common situational mechanism pattern on video analysis was “pressing” (n = 7) accounting for the 47% of the “indirect” ACL injuries. In terms of movement pattern, ten injuries (52%) occurred during a “Pivoting” movement (7 pressing, 1 dribbling, 1 tackled, 1 goalkeeping), whereas the remaining were classified as “Planting” in four cases, “Direct Blow” in four cases and “Landing”. Conclusion A well-defined and consistent bone bruise pattern involving the posterior tibial plateau and central femoral condyle of lateral compartment is present in footballers that sustained non-contact and indirect ACL injuries during pivoting with sudden change of direction/deceleration, while heterogeneous patterns were present in those with direct contact or injury mechanisms involving high horizontal velocity. Level of evidence Level IV.