scholarly journals Influencia del juego interior de la selección española de baloncesto en el rendimiento: análisis de coordenadas polares.

2021 ◽  
Vol 21 (3) ◽  
pp. 179-191
Author(s):  
Juan Pablo Morillo-Baro ◽  
Belén Troyano-Gallegos ◽  
Alberto Alejandre Estable ◽  
Juan Antonio Vázquez-Diz ◽  
Rafael E. Reigal Garrido ◽  
...  

En los últimos años se ha incrementado el interés por conocer las acciones más efectivas durante la competición ya que este hecho se ha mostrado esencial para mejorar el rendimiento de los jugadores en el deporte de élite; particularmente en los deportes colectivos el análisis táctico ha crecido de forma exponencial. El objetivo de este estudio fue detectar las relaciones que se establecen entre las conductas de finalización de los jugadores interiores de un equipo de baloncesto y su repercusión en el rendimiento del equipo. Para ello, y utilizando un diseño nomotético, de seguimiento y multidimensional, se realizó un análisis de coordenadas polares con las observaciones del juego de la Selección Española de Baloncesto Senior Masculina durante su participación en el Campeonato de Europa de 2015. La herramienta de observación creada ha superado el análisis de calidad del dato exigible en Metodología Observacional y está compuesta por 5 criterios y 29 categorías exhaustivas y mutuamente excluyentes. Se registraron un total de 316 acciones ofensivas, que pusieron de manifiesto la influencia de los jugadores que ocupan las posiciones interiores en el ataque estático. Los resultados muestran una alta efectividad cuando los ataques son acabados por ellos y la alta producción ofensiva de estos jugadores en acciones individuales, siendo capaces de conseguir canastas o provocar faltas a sus defensores. El análisis de coordenadas polares se ha mostrado como una técnica útil para el análisis táctico de las conductas que suceden en el deporte de competición. In recent years, there has been an increased interest in knowing the most effective actions during competition, as this fact has proven essential to improve the performance of players in elite sport; particularly in team sports, tactical analysis has grown exponentially. The objective of this study was to detect the relationships that were obtained between the finishing behaviors of the inside players of a basketball team and it is impact on team performance. To do so, and using nomothetic, follow-up and multidimensional observational design, polar coordinates analysis was performed from the observations of the game of the Spanish men basketball team during European Championships in 2015. The observational tool, formed by 5 criteria and 29 exhaustive and mutually exclusive categories, was created and passed the data quality analysis required in Observational Methodology. A total of 316 offensive actions were registered and revealed the influence of the inside players in the static attack. The results showed a high effectiveness when the attacks are finished by inside players, and the high offensive production of these players in individual actions, being able to get baskets or cause fouls to their defenders. Polar coordinates analysis has been shown as a useful technique to tactical analysis of the behaviors that occur in competitive sport. Nos últimos anos tem havido um interesse crescente em conhecer as acções mais eficazes durante a competição, uma vez que este facto se revelou essencial para melhorar o desempenho dos jogadores no desporto de elite; particularmente nos desportos colectivos, a análise táctica tem crescido exponencialmente. O objectivo deste estudo era detectar as relações estabelecidas entre os comportamentos finais dos jogadores internos de uma equipa de basquetebol e o seu impacto no desempenho da equipa. Para o fazer, e utilizando um design nomotético, de seguimento e multidimensional, foi realizada uma análise de coordenadas polares com as observações do jogo da Selecção Espanhola de Basquetebol Masculino Sénior durante a sua participação no Campeonato Europeu de 2015. O instrumento de observação criado passou a análise da qualidade dos dados exigida na Metodologia de Observação e é composto por 5 critérios e 29 categorias exaustivas e mutuamente excludentes. Foi registado um total de 316 acções ofensivas, que mostraram a influência de jogadores que ocupavam posições internas no ataque estático. Os resultados mostram uma elevada eficácia quando os ataques são finalizados por eles e a elevada produção ofensiva destes jogadores em acções individuais, podendo obter cestos ou causar faltas aos seus defensores. A análise das coordenadas polares demonstrou ser uma técnica útil para a análise táctica dos comportamentos que ocorrem no desporto de competição.

2016 ◽  
Vol 37 (3) ◽  
pp. 152-158 ◽  
Author(s):  
Mickaël Campo ◽  
Sylvain Laborde ◽  
Emma Mosley

Abstract. The aim of this study was to test the effectiveness of an emotional intelligence (EI) training intervention to improve EI at trait level. Sixty-seven rugby players participated in the study. One group received a specific EI training intervention, while the other group served as a control group. The intervention consisted of four face-to-face sessions over a 5-month period, with homework and follow-up procedures. Results showed that the EI training was partially successful in increasing EI, and demonstrates it is possible to enhance EI at trait level in participants while they may not have preexisting motivation to do so.


2019 ◽  
Vol 20 (1) ◽  
pp. 103-117
Author(s):  
Jorge Jimenez Salas ◽  
Juan Pablo Morillo Baro ◽  
Rafael E. Reigal ◽  
Verónica Morales-Sánchez ◽  
Antonio Hernández-Mendo

El objetivo de este estudio fue analizar la relación de diferentes comportamientos tácticos ofensivos con las conductas mostradas en los dos principales sistemas defensivos en balonmano. Para ello se realizó un análisis de coordenadas polares utilizando como conductas focales aquellas que identifican los principales sistemas defensivos y las acciones ofensivas con o sin transformaciones. Se observaron 538 situaciones correspondientes a 5 partidos de la primera división nacional española masculina con el software Hoisan utilizándose una herramienta diseñada ad hoc. El diseño observacional usado fue nomotético, puntual y seguimiento, siendo la unidad de observación la situación de defensa del equipo observado. Los resultados del análisis de la Calidad del Dato y Generalizabilidad muestran índices convincentes para los modelos utilizados. Los resultados del análisis de Coordenadas Polares muestran la mayor capacidad de oposición del sistema defensivo 5:1 al ataque. También destaca que la transformación atacante de 3:3 a 2:4 se usa más ante defensas abiertas y elicita el aumento de aparición de sanciones disciplinarias La herramienta observacional diseñada y la utilización de la técnica de coordenadas polares para la estimación de relaciones tácticas permite definir procedimientos de intervención que optimicen los recursos del entrenamiento y la competición en balonmano. The objective of this study was to analyze the relationship of different offensive tactical performances with the behaviours shown in the two main defensive systems in handball. For this, an analysis of polar coordinates was carried out using as focal behaviors those wich identify the main defensive systems and the offensive actions with or without transformations. There were 538 situations corresponding to 5 matches of the first Spanish national men's division with the Hoisan software by making use of an ad hoc tool. The observational design used was nomothetic, punctual and monitoring, the observation unit being the defense situation of the monitored team. The results of the Data Quality and Generalizability analysis show convincing rates for the models used. The results of the Polar Coordinates analysis show the greater oppositional capacity of the 5: 1 defensive system to attack. It also highlights that the attacking transformation from 3:3 to 2:4 is used more in the face of open defenses and it elicits an increase in the appearances of disciplinary sanctions. The observational tool designed and the use of the polar coordinate technique for the estimation of tactical relationships allows to define intervention procedures that optimize the resources of training and competition in handball. O objetivo deste estudo foi analisar a relação de diferentes comportamentos táticos ofensivos com os comportamentos mostrados nos dois principais sistemas defensivos do handebol. Para tanto, foi realizada uma análise das coordenadas polares utilizando como comportamentos focais aqueles que identificam os principais sistemas defensivos e as ações ofensivas com ou sem transformações. Havia 538 situações correspondentes a 5 partidas da primeira divisão masculina nacional espanhola com o software Hoisan, usando uma ferramenta projetada ad hoc. O desenho observacional utilizado foi nomotético, pontual e de acompanhamento, sendo a unidade de observação a situação de defesa do equipamento observado. Os resultados da análise de qualidade dos dados e generalização mostram índices convincentes para os modelos utilizados. Os resultados da análise das coordenadas polares mostram a maior capacidade de oposição do sistema defensivo 5: 1 de ataque. Destaca também que a transformação de ataque de 3: 3 para 2: 4 é mais usada em face de defesas abertas e provoca o aumento da aparência de sanções disciplinares. A ferramenta de observação projetada e o uso da técnica de coordenadas polares para a estimativa de relações táticas permitem definir procedimentos de intervenção que otimizam os recursos de treinamento e competição no handebol.


2019 ◽  
Vol 20 (1) ◽  
pp. 86-102
Author(s):  
Yarisel Quiñones Rodríguez ◽  
Juan Pablo Morillo-Baro ◽  
Rafael E. Reigal ◽  
Verónica Morales-Sánchez ◽  
Juan Antonio Vázquez-Diz ◽  
...  

El objetivo de este estudio fue analizar mediante el análisis de coordenadas polares la eficacia de las conductas que se muestran durante el juego combinativo ofensivo en el balonmano de élite masculino y femenino en España. Se observaron 10 equipos pertenecientes a la Liga ASOBAL en la categoría masculina y a la Copa La Reina en la femenina. Se utilizó una herramienta observacional ad hoc de 12 criterios y 62 categorías con un diseño observacional Nomotético/Puntual/Multidimensional. La unidad de análisis fue el ataque posicional. Se seleccionaron cuatro conductas focales: los medios tácticos colectivos simples, la combinación de los medios tácticos, las transformaciones y el lanzamiento ventajoso. Se realizó un análisis de coordenadas polares con el software HOISAN considerando significativos los módulos ≥1.96. Los resultados evidenciaron diferencias en el flujo de comportamientos entre el juego femenino y masculino. La categoría femenina con acentuadas acciones en la zona derecha del terreno. Los resultados más consistentes concuerdan con los primeros cuarenta minutos de juego y con la utilización de los medios tácticos colectivos simples y las combinaciones. En la categoría masculina se evidenció buen desempeño táctico durante todo el tiempo de juego. La combinación de los medios tácticos colectivos mostró una relación directa con el triunfo. En ambas categorías la transformación de los sistemas induce las finalizaciones en lanzamientos forzados. Las diferencias sugieren intervenir en la preparación de ambas categorías con una orientación específica hacia las mejoras en el desempeño del juego posicional combinativo. The aim of this study was analyse by means of polar coordinate analysis the efficacy of the behaviors shown during offensive combinative game in elite male and female handball in Spain. Ten teams belonging to the ASOBAL League were observed in the male category and to the Queen's Cup in the female category. An ad hoc observational tool of 12 criteria and 62 categories with a Nomothetic/Punctual/Multidimensional observational design was used. The unit of analysis was the positional attack. Four focal behaviours were selected: simple collective tactical means, combination of tactical means, transformations and advantageous launchs. An analysis of polar coordinates was carried out with the HOISAN software, considering the modules ≥1.96 to be significant. The results showed differences in the flow of behaviors between the male and female game. The female category with accentuated actions in the right zone of the field. The most consistent results coincide with the first forty minutes of play and with the use of simple collective tactical means and combinations. In the male category, good tactical performance was evident throughout the game. The combination of the collective tactical means showed a direct relation with the victory. In both categories the transformation of the systems induces the completions in forced launchs. The differences suggest to intervene in the preparation of both categories with a specific orientation towards the improvements in the performance the combinative positional game. O objetivo deste estudo foi analisar, através de uma análise por coordenadas polares, a eficácia dos comportamentos demonstrados durante o jogo ofensivo combinado em andebol masculino e feminino de elite em Espanha. Foram observadas dez equipas pertencentes à Liga ASOBAL na categoria masculina e a Copa da Rainha na categoria feminina. Foi utilizada uma ferramenta observacional ad hoc de 12 critérios e 62 categorias com um desenho observacional Nomotético/Pontual/Pontual/Multidimensional. A unidade de análise foi o ataque posicional. Foram selecionados quatro comportamentos focais: meios táticos coletivos simples, combinação de meios táticos, transformações e arremesso vantajoso. Uma análise das coordenadas polares foi realizada com o software HOISAN, considerando os módulos ≥1.96 como significativos. Os resultados mostraram diferenças no fluxo de comportamentos entre o jogo feminino e o masculino. A categoria feminina com ações acentuadas na zona direita do campo. Os resultados mais consistentes coincidem com os primeiros quarenta minutos de jogo e com o uso de meios táticos coletivos simples e combinações. Na categoria masculina, o bom desempenho tático ficou evidente durante todo o jogo. A combinação dos meios táticos coletivos mostrou uma relação direta com a vitória. Em ambas as categorias a transformação dos sistemas induz as terminações em lançamentos forçados. As diferenças sugerem intervir na preparação de ambas as categorias com uma orientação específica para as melhorias no desempenho do jogo posicional combinado.


Author(s):  
Vilde Schanke Sundet

This article explores the ‘youthification’ of television through real-time storytelling. It draws on a study of the online youth drama blank (2018–2019), NRK’s first follow-up after the hit show SKAM (2015–2017). It finds that real-time drama brings unique opportunities to broadcasters aiming to reconnect with younger audiences, but also substantial challenges. This insight is essential, as previous studies have highlighted the format’s advantages while downplaying its problems and dilemmas. Furthermore, the article emphasises the continuous need for innovation in youth storytelling, especially at public service broadcasters with the mandate and ability to do so.


2020 ◽  
Vol 22 (Supplement_3) ◽  
pp. iii390-iii391
Author(s):  
Aaron Mochizuki ◽  
Anna Janss ◽  
Sonia Partap ◽  
Paul Fisher ◽  
Yimei Li ◽  
...  

Abstract INTRODUCTION Medulloblastoma is one of the most common malignant brain tumors in children. To date, the treatment of average-risk (non-metastatic, completely resected) medulloblastoma includes craniospinal radiation therapy and adjuvant chemotherapy. Modern treatment modalities and now risk stratification of subgroups have extended the survival of these patients, exposing the long-term morbidities associated with radiation therapy. METHODS We performed a single-arm, multi-institution study, seeking to reduce the late effects of treatment in patients with average-risk medulloblastoma prior to advances in molecular subgrouping. To do so, we reduced the dose of craniospinal irradiation by 25% to 18 gray with the goal of maintaining the therapeutic efficacy as described in CCG 9892 with maintenance chemotherapy. RESULTS 28 patients aged 3–30 years were enrolled across three institutions between April 2001 and December 2010. Median age at enrollment was 9 years with a median follow-up time of 11.7 years. The 3-year relapse-free (RFS) and overall survival (OS) were 78.6% (95% CI 58.4% to 89.8%) and 92.9% (95% CI 74.4% to 98.2%), respectively. The 5-year RFS and OS were 71.4% (95% CI 50.1% to 84.6%) and 85.7% (95% CI 66.3% to 94.4%), respectively. Toxicities were similar to those seen in other studies; there were no grade 5 toxicities. CONCLUSIONS Given the known neurocognitive adverse effects associated with cranial radiation therapy, studies to evaluate the feasibility of dose reduction are needed. In this study, we demonstrate that select patients with average-risk medulloblastoma may benefit from reduced craniospinal radiation dose of 18 gray without impacting relapse-free or overall survival.


2021 ◽  
Author(s):  
Daire Rooney ◽  
Neil Heron ◽  
Robin Jackson

Abstract Background: The purpose of the present study was to investigate how an athlete’s participation in either an individual or team sport is related to their attitude toward sport psychology consulting and their willingness to consult a sport psychology practitioner. Method: The Sport Psychology Attitudes-Revised form (SPA-R) was completed by one hundred and twenty athletes from individual and team sports. A 2 (Type of sport: individual and team) x 2 (Gender) multivariate analysis of variance (MANOVA) was conducted with attitudes towards sport psychology as dependent variables. In order to identify attitudes that accentuated the differences related to type of sport, follow-up univariate analyses were performed. Results: Results revealed that athletes involved in individual sports reported overall more positive attitudes towards sport psychology consulting than athletes involved in team sports. In particular, the athletes involved in individual sports were more likely to have greater confidence in sport psychology consulting. The findings also show that gender may mediate this association, indicated by a nearly significant two-way interaction effect for gender and type of sport (individual versus team) regarding confidence in sport psychology. The source of this marginal result was a larger effect of sport type for females than for males. Conclusions: The findings of this study imply that athletes involved in individual sports are more likely to have positive attitudes towards sport psychology compared to athletes competing in team-based sports. The results may go some way to assist sport psychologists to understand and address athletes’ concerns and to improve receptivity to sport psychology services.


Author(s):  
Mario Kasović ◽  
Lovro Štefan ◽  
Pavel Piler ◽  
Martin Zvonar

Purpose: Tracking of physical activity (PA) and sport participation (SP) during motherhood is poorly understood. The purpose of the study was to analyze the extent of tracking of maternal PA and SP. Methods: In this investigation, data were collected from the Czech ELSPAC study subsample of 4811 and 2609 women measured postnatally (1991–1992) and after 11 years of follow-up (2002–2003), respectively. The structured questionnaire was used to assess the participation and average weekly time spent in PA, and the frequency of engaging in different sports (running, cycling, strength training, racket sports, swimming, and team sports). Tracking was calculated using generalized estimating equations (GEE) with beta coefficients (β), odds ratios (ORs), and 95% confidence intervals (95% CI). Results: Moderately high tracking coefficients were observed for cycling (β = 0.69, 95% 0.67–0.72), strength training (β = 0.59, 95% 0.56–0.63), and weekly time spent in PA (β = 0.53, 95% 0.38–0.66); meanwhile, moderate tracking coefficients were generated for swimming (β = 0.48, 95% 0.44–0.52), team sports (β = 0.44, 95% 0.39–0.48), racket sports (β = 0.44, 95% 0.39–0.48), and running (β = 0.35, 95% 0.30–0.40). Mothers who did not participate in PA at baseline were 81% more likely not to participate in it at follow-up (OR = 1.81, 95% CI 1.53–2.13). Conclusion: Cycling- and strength-related activities and weekly PA were tracked moderately-to-moderately high during motherhood. Moreover, the strong tracking of physical inactivity indicates that the detection of this risk factor before pregnancy should be advocated.


2014 ◽  
Vol 36 (3) ◽  
pp. 303-315 ◽  
Author(s):  
Andrew P. Hill ◽  
Joachim Stoeber ◽  
Anna Brown ◽  
Paul R. Appleton

Perfectionism is a personality characteristic that has been found to predict sports performance in athletes. To date, however, research has exclusively examined this relationship at an individual level (i.e., athletes’ perfectionism predicting their personal performance). The current study extends this research to team sports by examining whether, when manifested at the team level, perfectionism predicts team performance. A sample of 231 competitive rowers from 36 boats completed measures of self-oriented, team-oriented, and team-prescribed perfectionism before competing against one another in a 4-day rowing competition. Strong within-boat similarities in the levels of team members’ team-oriented perfectionism supported the existence of collective team-oriented perfectionism at the boat level. Two-level latent growth curve modeling of day-by-day boat performance showed that team-oriented perfectionism positively predicted the position of the boat in midcompetition and the linear improvement in position. The findings suggest that imposing perfectionistic standards on team members may drive teams to greater levels of performance.


Author(s):  
B. C. Scheffers ◽  
E. C. C. Wildeboer Schut ◽  
J. A. C. Meekes ◽  
H. L. H. Cox

Sign in / Sign up

Export Citation Format

Share Document