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Bustamante-Sánchez Á, Jiménez-Saiz SL. Game location effect in game-related statistics and pre-shot combination differences between winners and losers during the basketball ACB COVID-19 season. PLoS One 2024; 19:e0303908. [PMID: 38995983 PMCID: PMC11244841 DOI: 10.1371/journal.pone.0303908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 05/03/2024] [Indexed: 07/14/2024] Open
Abstract
The aim of this study was to assess pre-shot combinations and game-location influence, together with the traditional game-related statistics to evaluate their impact in the performance of the teams in the Asociación de Clubs de Baloncesto (ACB) Spanish basketball league. The COVID-19 season was a great opportunity to better analyse the effect of game-location among ACB-teams to evaluate the differences between winners and losers. A retrospective cross-sectional study of the 2019-2020 ACB season (137 games of the regular season and 33 games of the final stage) was carried out. Game-related statistics were gathered from InStat (https://basketball.instatscout.com/). To evaluate the key performance indicators in this context, a discriminant analysis together with a binary logistic regression were run. The main results revealed that specific variables (normalized per minute played), such as points, field-goal percentage, field goals made, defensive rebounds, assists, and contested field goals made, played a crucial role in classifying winners and losers (p<0.05). Defensive rebounds (0.29±0.05 vs 0.24±0.04, p < 0.001), and assists (0.23±0.05 vs 0.19±0.04, p = 0.042), were key performance indicators for home-court winners. Defensive rebounds (0.29±0.05 vs 0.25±0.04, p < 0.001), and field-goal percentage (48.2±5.31 vs 42.7±5.95, p = 0.009) were key performance variables for away-court winners. Neutral-court winners had better isolation efficiency (49.5±31.6 vs 33.3±31.4, p < 0.05) and contested shot percentage (48.2±6.02 vs 44.8±5.34, p < 0.05) in the context of neutral-court tournaments. Uncontested shots and pick-and-roll efficiency seem not to be so important in the ACB when compared to the (National Basketball Association) NBA. Teams should look for players who assist to good shooters, as well as the presence of specialized players proficient in defensive rebounding. In the context of neutral-court tournaments, the importance of isolations and contested-shot performance is critical.
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Affiliation(s)
| | - Sergio L Jiménez-Saiz
- Universidad Europea de Madrid, Faculty of Sport Sciences, Villaviciosa de Odón, Madrid, Spain
- Universidad Rey Juan Carlos, Sport Sciences Research Centre, Fuenlabrada, Madrid, Spain
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Vencúrik T, Milanović Z, Lazić A, Li F, Matulaitis K, Rupčić T. Performance factors that negatively influence shooting efficiency in women's basketball. Front Physiol 2022; 13:1042718. [PMID: 36505065 PMCID: PMC9732519 DOI: 10.3389/fphys.2022.1042718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 11/14/2022] [Indexed: 11/27/2022] Open
Abstract
The purpose of the present study was to examine the influence of selected factors (possession duration, game quarter, defensive pressure, shooting distance from the basket, and heart rate level) on shooting efficiency on Under-19 (U19) and senior level of women's basketball competition (second division). The analysis procedures included five U19 and six senior-level games, containing 224 and 252 shooting attempts, respectively. Binary logistic regression identified the opponent's defensive pressure and shooting distance from the basket as significant predictors of shooting efficiency in both categories. When defensive pressure was high, the chance for the missed shot was 3.5 (95% CI; 1.43-8.52) and 3.19 (95% CI; 1.4-7.26) times more likely than it was under the minimum defensive pressure for U19 and senior category, respectively. Shooting efficiency significantly decreased when the horizontal distance from the basket increased. In U19, a chance for a missed shot was 4.63 (95% CI; 2-10.712) and 5.15 (95% CI; 1.91-13.86) times higher for medium and long-distance (respectively), compared to short-range shooting. In the senior category, the chance for the missed shot was 3.9 (95% CI; 1.83-8.31) and 3.27 (95% CI; 1.43-7.52) times higher for medium and long-distance (respectively) when compared to a short distance. The possession duration, game quarter, and heart rate level were identified as insignificant predictors. Therefore, the aforementioned findings suggest that basketball players and coaches may benefit from designing training sessions where the defender puts pressure on the shooting player as in a real game situation and balanced the frequency of shooting from different distances from the basket.
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Affiliation(s)
- Tomáš Vencúrik
- Faculty of Sports Studies, Masaryk University, Brno, Czech Republic,*Correspondence: Tomáš Vencúrik,
| | - Zoran Milanović
- Faculty of Sports Studies, Masaryk University, Brno, Czech Republic,Faculty of Sport and Physical Education, University of Niš, Niš, Serbia,Science and Research Centre of Koper, Koper, Slovenia
| | - Anja Lazić
- Faculty of Sport and Physical Education, University of Niš, Niš, Serbia
| | - Feng Li
- China Basketball College, Beijing Sport University, Beijing, China
| | - Kęstutis Matulaitis
- Department of Coaching Science, Lithuanian Sports University, Kaunas, Lithuania
| | - Tomislav Rupčić
- Laboratory for Sports Games, Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia
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Bustamante-Sánchez A, Gomez-Ruano MA, Clemente-Suárez VJ, Jiménez-Sáiz SL. Pre-shot combinations and game-related statistics discriminating between winners and losers depending on the game location during the NBA COVID-19 season. Front Physiol 2022; 13:949445. [PMID: 36117700 PMCID: PMC9472127 DOI: 10.3389/fphys.2022.949445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Basketball in performance depends on numerous factors, where a stable trend was identified by winning teams with better performances in shooting effectiveness and rebounding. However, there is a need for a better understanding of pre-shot combinations that lead to these performance trends. This study aimed to analyze NBA teams’ game-related statistics, pre-shooting combinations, and pick-and-roll differences between winning and losing teams (considering the context: playing at home, away, or in a neutral court) during the COVID-19 season. A retrospective cross-sectional study on the 2019–2020 NBA season (906 games) was carried out. Game-related statistics were gathered from the private company InStat (https://basketball.instatscout.com/). The discriminant analysis and binary logistic regression models were run in order to discriminate the most important features of winning teams depending on the game location. The results showed that defensive rebounds and three-point shooting percentage remained the most important variables that best discriminated winners and losers independently of the game location context. The main results showed that winning teams had a better shooting percentage based on three-pointers, catch-and-shot actions, cuts, pick-and-roll efficacy, and uncontested shots based on a better collective behavior after a successful space creation dynamic through a tactical functional unit. At the same time, teams would need players with the ability to clear those possessions in which the opponents force to an isolation or a contested shot. From a practical application perspective, coaches should focus on composing a team with good shooters, skilled players in isolations, and a good game-time pick-and-roll strategy.
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Affiliation(s)
| | - Miguel-Angel Gomez-Ruano
- Faculty of Sport Sciences, Universidad Europea de Madrid, Madrid, Spain
- Facultad de Ciencias de la Actividad Física y del Deporte, Universidad Politécnica de Madrid, Madrid, Spain
| | | | - Sergio L. Jiménez-Sáiz
- Faculty of Sport Sciences, Universidad Europea de Madrid, Madrid, Spain
- Centre for Sport Studies, Fuenlabrada, Universidad Rey Juan Carlos, Madrid, Spain
- *Correspondence: Sergio L. Jiménez-Sáiz,
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Bustamante-Sánchez Á, Gómez MA, Jiménez-Saiz SL. Game location effect in the NBA: A comparative analysis of playing at home, away and in a neutral court during the COVID-19 season. INT J PERF ANAL SPOR 2022. [DOI: 10.1080/24748668.2022.2062178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Miguel A. Gómez
- del Deporte, Universidad Politécnica de MadridFacultad de Ciencias de la Actividad Física y , Madrid, Spain
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Canossa S, Fernandes RJ, Estriga L, Abraldes JA, Lupo C, Garganta JM. Water Polo Offensive Methods after the 2018 FINA Rules Update. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19052568. [PMID: 35270261 PMCID: PMC8909295 DOI: 10.3390/ijerph19052568] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/10/2022] [Accepted: 02/18/2022] [Indexed: 02/01/2023]
Abstract
Water polo is a team sport that has been suffering rule changes aiming for a more attractive game. Our goal was to unveil whether different offensive playing styles or methods were adopted by elite national teams from Eastern Europe and from other world countries after the new rules framework was applied at the 2019 FINA World Championship. Additionally, we questioned whether those rules induced a more dynamic game. A total of 648 offensive sequences from games contested by the top-six ranked national squads were analysed. Descriptive statistics, parametric and nonparametric tests were computed, and the effect size was used. The eastern Europeans were the tallest (t (76) = −4.081; p < 0.001, d = 0.42) and the Hungarians were higher than Italians (p = 0.005, dz = −0.41). Offensive time length differed between teams (H (5) = 30.50, p < 0.001) with Serbia being the fastest (Mdn = 22 s). In successful attacks without extra time, Italy was quicker than Spain (17.5 vs. 25.0 s; p = 0.031, dz = −0.36) scoring 30% of their total goals under 20 s, while Australia up to 24% and Croatia, Hungary and Spain ≤ 16.0%. When power-play occurred, the teams’ pass action was different (H (5) = 15.99, p < 0.007), with Italy performing more passes than counterparts, especially Serbia (Mdn = 13 vs. 9, respectively; p= 0.003, dz = 0.20) and with the exception of Hungary. Through fast play sequences, Italy, Serbia and Australia scored up to 33% of their goals, while Spain, Croatia, and Hungary scored ≤ 15%. The power-play contributed to ≥50% of teams’ goals, except for Spain and Australia (48 and 45%, respectively). Playing styles commonly attributed to Eastern vs. non-Eastern Europeans and other worldwide national teams such as Australia were not confirmed. However, offensive trends were perceived and described for the first time, and some base guidelines were suggested to distinguish the static or positional vs. a more dynamic playing model. Rule changes did not seem to induce the expected effects on game dynamics.
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Affiliation(s)
- Sofia Canossa
- Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal; (R.J.F.); (L.E.); (J.M.G.)
- Correspondence:
| | - Ricardo J. Fernandes
- Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal; (R.J.F.); (L.E.); (J.M.G.)
- Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
| | - Luísa Estriga
- Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal; (R.J.F.); (L.E.); (J.M.G.)
| | - J. Arturo Abraldes
- Research Group MS&SPORT, Faculty of Sports Sciences, University of Murcia, 30720 Murcia, Spain;
| | - Corrado Lupo
- Neuro Muscular Function Research Group, Department of Medical Sciences, School of Exercise and Sport Sciences, University of Turin, 10143 Turin, Italy;
| | - Júlio M. Garganta
- Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal; (R.J.F.); (L.E.); (J.M.G.)
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A Systematic Review of the Effects of Caffeine on Basketball Performance Outcomes. BIOLOGY 2021; 11:biology11010017. [PMID: 35053015 PMCID: PMC8773249 DOI: 10.3390/biology11010017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/03/2022]
Abstract
Simple Summary Caffeine is a stimulant of the central nervous system widely utilized by many athletes to enhance endurance, strength, and power-based sports performances. Whether ergogenic enhancements following caffeine ingestion result in improvements in sports-specific skills performance has received less attention. In basketball, the ability to execute certain tasks with accuracy, such as shooting and passing, are key factors affecting the outcome of the sport. Besides being able to excel in accuracy-based tasks, the possession of strong physical attributes, including vertical jump height, sprint speed and agility, are also key components to basketball performance. In this review, an overview of the effects of caffeine on basketball-related skill tasks and physical aspects of performance deemed important for the game is provided. One of the key focal points is that the efficacy of caffeine is influenced by a multitude of determinants that have an overall impact on the ergogenic capacity of caffeine. Proper awareness of these determinants allows basketball players, coaches, and trainers to have better insights and knowledge in applying caffeine to improve basketball-related performances. Abstract Caffeine is an ergogenic aid in many sports, including basketball. This systematic review examines the effects of caffeine on basketball-related skill tasks along with physical aspects of performance deemed important for the game. A systematic search was conducted across three databases (PubMed, SPORTDiscus and Web of Science) to identify randomized-controlled trials which examined the effect of caffeine on basketball performance outcomes including: free-throw, 3-point shooting accuracy, dribbling speed, vertical jump height, and linear and repeated sprints. Forty-six articles were identified of which 10 met the inclusion criteria. Improvements in vertical jump were identified in four of five studies, agility in two of four studies, and in linear and repeated sprints in two of three studies. No deterioration in basketball skills performance was observed in any studies. It is suggested that caffeine is useful for basketball players to improve the physical aspects of their game-play performance but there is little evidence of any change in skill-based performance at present. Further research should clarify the effects of caffeine on basketball performance in women and the role of individual genetic variation on caffeine metabolism. Basketball players and coaches should be aware of the properties of caffeine before ingesting it as an ergogenic supplement.
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Ramirez-Campillo R, Gentil P, Moran J, Dalbo VJ, Scanlan AT. Dribble Deficit Enables Measurement of Dribbling Speed Independent of Sprinting Speed in Collegiate, Male, Basketball Players. J Strength Cond Res 2021; 35:2040-2045. [PMID: 30664115 DOI: 10.1519/jsc.0000000000003030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
ABSTRACT Ramirez-Campillo, R, Gentil, P, Moran, J, Dalbo, VJ, and Scanlan, AT. Dribble Deficit enables measurement of dribbling speed independent of sprinting speed in collegiate, male, basketball players. J Strength Cond Res 35(7): 2040-2045, 2021-The aim of this study was to determine the relationships between sprinting and dribbling speed in basketball during linear and change-of-direction (COD) sprints using total dribbling time and Dribble Deficit. Collegiate, male, basketball players (n = 10; 21.0 ± 1.6 years) performed linear and COD sprints with and without dribbling a ball. Linear dribbling sprints were measured for the dominant and nondominant hands, whereas COD dribbling sprints involved bilateral use of hands. Dribble Deficit was determined as the difference between total time (second) during each dribbling trial and the equivalent nondribbling trial for linear and COD sprints. Simple linear regression analyses were performed during linear and COD sprints to determine the relationship (R) and shared variance (R2) between (a) sprinting times and total dribbling times and (b) sprinting times and Dribble Deficit. Large to very large, significant relationships were evident between linear sprinting and dribbling time for dominant (R = 0.86; R2 = 0.74, p = 0.001) and nondominant hands (R = 0.80; R2 = 0.65, p = 0.005). Trivial relationships were apparent between linear sprinting time and Dribble Deficit with dominant (R = 0.10; R2 = 0.01, p = 0.778) and nondominant hands (R = 0.03; R2 = 0.00, p = 0.940). A very large relationship was evident between COD sprinting and dribbling time (R = 0.91; R2 = 0.82, p < 0.001), whereas a trivial relationship was observed between COD sprinting time and COD Dribble Deficit (R = -0.23; R2 = 0.05, p = 0.530). Dribble Deficit eliminates the strong influence of sprinting speed on outcome measures typically seen when using tests predicated on total dribbling time. Consequently, Dribble Deficit may be of added use in basketball test batteries to measure dribbling speed across linear and multidirectional movement paths.
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Affiliation(s)
- Rodrigo Ramirez-Campillo
- Laboratory of Human Performance, Quality of Life and Wellness Research Group, Department of Physical Activity Sciences, University of Los Lagos, Osorno, Chile
| | - Paulo Gentil
- Faculty of Physical Education and Dance, Federal University of Goias, Goiania, Brazil
| | - Jason Moran
- Department of Sport, Hartpury University, Gloucestershire, United Kingdom ; and
| | - Vincent J Dalbo
- Human Exercise and Training Laboratory, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Queensland, Australia
| | - Aaron T Scanlan
- Human Exercise and Training Laboratory, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Queensland, Australia
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Effect of Ball Screen and One-on-One on the Level of Opposition and Effectiveness of Shots in the ACB. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18052676. [PMID: 33799944 PMCID: PMC7967641 DOI: 10.3390/ijerph18052676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/15/2021] [Accepted: 02/21/2021] [Indexed: 11/17/2022]
Abstract
In light of the importance of shots on the final result in basketball matches, this research aims to reveal the predictive ability of variables associated with different game actions (ball screen, one-on-one near the basket and one-on-one far away from the basket), shot zone (near to or far from the basket) and players' position (outside or inside) of the success of shots and of the type of shot, defended or not defended, in three seasons (2014 to 2016) of the Copa del Rey in the ACB (Asociación de Clubes de Baloncesto) League in Spain. Observational methodology was used, and an ad hoc instrument was created using Lince software. The study was conducted on a total of 7695 game actions, of which an analysis of 877 shots was made using CHAID (Chi-squared Automatic Interaction Detection) classification trees. The results obtained in this research have led us to the following conclusions: (a) the most important variable in the success of shots is to find "open shots", regardless of the game action, (b) one-on-one actions outside and inside the zone have a clear connection to the finishes of the plays and end up in defended shots, (c) shots by ball screen lead to more open shots than in one-on-one and (d) play with passes may facilitate to find "open shots". These results can be of interest for coaches to prepare their teams in the best possible way, but they must be interpreted with caution as the sample was very specific (Copa del Rey in the ACB League) and, therefore, it is necessary to continue investigating this topic in other competition contexts.
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Giovanini B, Conte D, Ferreira-Junior A, Nascimento VB. Assessing the key game-related statistics in Brazilian professional basketball according to season phase and final score difference. INT J PERF ANAL SPOR 2021. [DOI: 10.1080/24748668.2021.1881358] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Bruno Giovanini
- Center of Physical Education and Sports, Londrina State University, Londrina, Brazil
| | - Daniele Conte
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
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Matulaitis K, Bietkis T. Prediction of Offensive Possession Ends in Elite Basketball Teams. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18031083. [PMID: 33530475 PMCID: PMC7908613 DOI: 10.3390/ijerph18031083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/20/2021] [Accepted: 01/22/2021] [Indexed: 11/16/2022]
Abstract
In basketball, the end of the ball possession has been described as one of the most important determinants of successful offensive play by a team. The present study aimed to: (i) investigate outcomes according to the play types of ends of the ball possession; (ii) find the most efficient ball possessions during the game; (iii) predict most efficient ends of the ball possession by time in an elite basketball competition. The sample was composed of 38,640 situations of ends of the ball possession from 240 games of the 2017-2018 regular season of the men's Euroleague that were quantitatively analyzed. According to the results, the predictive model can be used in modern basketball. The most efficient ends of the ball possession are the 2-point field goals on the fast break (78.2%), cuts (64.8%), pick and roll (P&R) screener (61.5%), and transition and offensive rebound (57.4%) situations. This information allows a better collective understanding of basketball, and it could be a great tool to use for coaches to prove which tactical solutions are to be considered when improving offense and defense strategies. It also contributes to the design of precise practice tasks of the coach that improve the game.
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Jeličić M. TRANSITION OFFENSE IN TOP-LEVEL EUROPEAN BASKETBALL. SPORT SCIENTIFIC AND PRACTICAL ASPECTS: INTERNATIONAL SCIENTIFIC JOURNAL OF KINESIOLOGY 2021; 18:41-52. [DOI: 10.51558/1840-4561.2021.18.2.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Purpose: The purpose of this study was to determine differences in the use of transition pick and roll/pop and transition
post-up maneuvers in two top teams from the EuroLeague basketball (first placed and ninth placed teams in the
2019/2020 season). Methods. The sample of respondents consisted of 56 EuroLeague basketball games played by teams
Anadolu Efes Istanbul (28) and Zalgiris Kaunas (28), the ANA team and the ZALAG team respectively. Variables for
estimating transition offenses were collected during EuroLeague senior basketball matches. A total of 16 variables
(Toff_tot, TP&R/P_tot, TP&R/P_suc, TP&R/P_uns, %suc P&R/P, %uns P&R/P, TP_up_tot, TP_up_suc, P_up_uns, %suc P_up,
%uns_ P_up, TO, % TO, Toff_point, TP&R/P_point; and Tpup_point) were assessed to estimate transitional offenses in
teams that use early pick and post-up maneuvers in their performance. Results. Findings showed statistically significant
differences between two analyzed teams in variables as described further in the text. The ANA team performed less TP &
R/P_tot offenses per game then the ZALG team. Also, when it comes to the total number of transition post-up situations,
the ANA performed less of these then the ZALG per game. At the end, the ANA team lost on average less balls than the
ZALG team per game in the Transition offense. Conclusions. Obtained differences that occurred between two analyzed
basketball teams cannot fully explain placement of the teams in the table. The main difference comes from the
philosophy of the coach and the very concept of the team or individual quality of the players.
Key words: top European basketball transition offense, transition pick & roll/pop, transition post-up
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Conte D, Scanlan AT, Dalbo VJ, Gang SZ, Smith MR, Bietkis T, Matulaitis K. Dribble Deficit quantifies dribbling speed independently of sprinting speed and differentiates between age categories in pre-adolescent basketball players. Biol Sport 2020; 37:261-267. [PMID: 32879548 PMCID: PMC7433332 DOI: 10.5114/biolsport.2020.95637] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 03/10/2020] [Accepted: 05/15/2020] [Indexed: 11/17/2022] Open
Abstract
The aims of this study were to a) quantify the relationships between sprinting and dribbling speed measured using dribble time and Dribble Deficit and b) assess the difference between age categories in sprinting and dribbling speed in pre-adolescent basketball players. Pre-adolescent, male basketball players (Total, N = 81; Under-10, n = 32, Under-9, n = 49) completed two trials of different tasks including 20-m linear sprints without dribbling, 20-m linear sprints dribbling with dominant and non-dominant hands, and change-of-direction (COD) sprints with and without dribbling. Sprinting time, dribbling time and Dribble Deficit were then calculated for each trial. Spearman rank correlations were used to assess the relationships between outcome measures for Under-9 and Under-10 players separately and combined. The Mann-Whitney U test with effect sizes (ES) was used to assess differences in outcome measures between Under-9 and Under-10 players. Moderate-to-very large significant relationships (p <0.05) between linear and COD sprinting time and dribbling time using dominant and non-dominant hands were found in Under-9, Under-10 and all players combined. Trivial-to-moderate relationships were found between sprinting time and Dribble Deficit in all age categories across linear and COD paths. Quicker performance times (p <0.05) were found for Under-10 compared to Under-9 players in all outcome measures (ES: small-to-moderate), except for COD sprinting time (p >0.05; ES: small). Dribble Deficit measures dribbling speed independently of sprinting speed across linear and COD paths in pre-adolescent basketball players and differentiates between age categories.
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Affiliation(s)
- Daniele Conte
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
| | - Aaron T. Scanlan
- Human Exercise and Training Laboratory, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Australia
| | - Vincent J. Dalbo
- Human Exercise and Training Laboratory, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Australia
| | | | - Mitchell R. Smith
- Exercise and Sport Science, Faculty of Science, University of Newcastle, Australia
| | - Tomas Bietkis
- Department of Coaching Science, Lithuanian Sports University, Kaunas, Lithuania
| | - Kestutis Matulaitis
- Department of Coaching Science, Lithuanian Sports University, Kaunas, Lithuania
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Gryko K, Mikołajec K, Marszałek J, Adamczyk JG, Molik B, Waśkiewicz Z, Nikolaidis P, Knechtle B. How did basketball teams win EuroBasket 2015? A non-standard analysis of performance based on passes, dribbling and turnovers. INT J PERF ANAL SPOR 2020. [DOI: 10.1080/24748668.2020.1749013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Karol Gryko
- Department of Individual and Team Sports, Józef Piłsudski University of Physical Education, Warsaw, Poland
| | - Kazimierz Mikołajec
- Department of Basketball, Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
| | - Jolanta Marszałek
- Department of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland
| | - Jakub Grzegorz Adamczyk
- Department of Sports Theory, Józef Piłsudski University of Physical Education, Warsaw, Poland
| | - Bartosz Molik
- Department of Rehabilitation, Józef Piłsudski University of Physical Education, Warsaw, Poland
| | - Zbigniew Waśkiewicz
- Institute of Sport Science, Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
- Sechenov First Moscow State Medical University, Department of Sports Medicine and Medical Rehabilitation Moscow, Russia
| | | | - Beat Knechtle
- Medbase St. Gallen Am Vadianplatz, St. Gallen, Switzerland
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14
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Caffeine Supplementation Has No Effect on Dribbling Speed in Elite Basketball Players. Int J Sports Physiol Perform 2019; 14:997-1000. [PMID: 30569790 DOI: 10.1123/ijspp.2018-0871] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE To examine the effect of caffeine supplementation on dribbling speed in elite female and male basketball players. METHODS A double-blind, counterbalanced, randomized, crossover design was utilized. Elite basketball players (n = 21; female, n = 10; male, n = 11; age = 18.3 ± 3.3 yr) completed placebo (3 mg·kg-1 of body mass of dextrose) and caffeine (3 mg·kg-1 of body mass) trials 1 week apart during the in-season phase. During each trial, players completed 20-m linear sprints with and without dribbling a basketball. Performance times were recorded at 5-m, 10-m, and 20-m splits. Dribbling speed was measured using traditional (total performance time) and novel (Dribble Deficit) methods. Dribble Deficit isolates the added time taken to complete a task when dribbling compared to a non-dribbling version of the same task. Comparisons between placebo and caffeine conditions were conducted at group and individual levels. RESULTS Non-significant (P > 0.05), trivial-small (effect size = 0.04-0.42) differences in dribbling speed were observed between conditions. The majority (20 out of 21) of players were classified as non-responders to caffeine, with 1 player identified as a negative responder using Dribble Deficit measures. CONCLUSIONS Results indicate caffeine offers no ergogenic benefit to dribbling speed in elite basketball players. The negative response to caffeine in one player indicates caffeine supplementation may be detrimental to dribbling speed in specific cases and emphasizes the need for individualized analyses in nutrition-based sport science research.
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15
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Performance profile and game-related statistics of FIBA 3x3 Basketball World Cup 2017. Biol Sport 2019; 36:149-154. [PMID: 31223192 PMCID: PMC6561230 DOI: 10.5114/biolsport.2019.83007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 11/09/2018] [Accepted: 02/14/2019] [Indexed: 11/17/2022] Open
Abstract
The study aimed to characterize the performance profile of 3x3 basketball and particularly to assess: a) the differences between games in live time (LT) and stoppage time (ST) phases and their ratio, and b) the game-related statistics and derived game indicators differentiating between winning and losing teams. Eight games [quarterfinals, semifinals and finals (1st and 3rd place)] of the FIBA 3x3 basketball world cup (Serbia, 17th-21st June 2017) were analysed. The LT and ST phases were categorized into three phase durations: 1-20 s, 21-40 s, >40 s. The LT/ST ratio was calculated. The game-related statistics and derived parameters were assessed through video-based notational analysis methods, and differences between winning and losing teams were calculated using a mixed linear model. The results revealed no statistically significant differences in the distribution of LT and ST phases between games, with an LT/ST ratio of 0.92±0.13. Moreover, winning teams showed a significantly higher (p<0.05) number of free throws made and attempted, team offensive ratings, and recovered balls per possession compared to losing teams. Conversely, winning teams revealed significantly lower (p<0.05) values for turnover, rebound (offensive, defensive and total), offensive rebound percentage and team defensive rating compared to losing teams. These results provide coaches and practitioners with novel and applied information regarding the performance profile of 3x3 basketball to optimize training sessions, which should be characterized by short live time phases and a work-to-rest ratio ~1 and focused on developing the ability to avoid turnovers and increase the recovered balls per possession, minimizing the scoring possibilities for the opponent team.
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16
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Madarame H. Are regional differences in basketball already established in under-18 games? MOTRIZ: REVISTA DE EDUCACAO FISICA 2018. [DOI: 10.1590/s1980-657420180003e0055-18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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17
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Conte D, Smith MR, Santolamazza F, Favero TG, Tessitore A, Coutts A. Reliability, usefulness and construct validity of the Combined Basketball Skill Test (CBST). J Sports Sci 2018; 37:1205-1211. [PMID: 30499758 DOI: 10.1080/02640414.2018.1551046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
This study aimed to assess the reliability, usefulness and construct validity of the newly developed Combined Basketball Skill Test (CBST). Fifteen recreational (age = 22.8 ± 4.2 y, stature = 184.8 ± 6.5 cm, body mass = 81.6 ± 9.6 kg, training experience = 9.8 ± 5.3 y) and fifteen semiprofessional (age = 18.9 ± 3.3 y, stature = 190.5 ± 8.1 cm, body mass = 84.2 ± 11.2 kg, training experience = 11.1 ± 3.5 y) players volunteered to participate in this study. Test-retest reliability and usefulness were examined for recreational players, while construct validity was evaluated comparing the two player groups. The CBST is composed of 12 trials and its outcome measures include: completion time (sum of the 12 trial times); penalty time (sum of the times from the 12 trials); performance time (completion time + penalty time) and total number of errors. Relative reliability analysis showed acceptable ICC values (i.e. ≥0.70) in all the studied variables. Absolute reliability analysis showed a CV < 5% for completion (1.6%) and performance (2.0%) time, while a CV >5% is reported for the remaining variables. The usefulness of the test was considered "Marginal" and "Good" when comparing TE values with SWC02 and SWC05, respectively for all the studied variables. Likely and very likely differences were shown between recreational and semiprofessional players in all investigated variables. Results showed that the CBST is reliable, useful to detect moderate changes and valid to assess basketball skills.
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Affiliation(s)
- Daniele Conte
- a Sport and Exercise Discipline Group, Faculty of Health , University of Technology Sydney (UTS) , Sydney , NSW , Australia.,b Department of Movement, Human and Health Sciences , University of Rome "Foro Italico" , Rome , Italy.,c Institute of Sport Science and Innovations , Lithuanian Sports University , Kaunas , Lithuania
| | - Mitchell Robert Smith
- a Sport and Exercise Discipline Group, Faculty of Health , University of Technology Sydney (UTS) , Sydney , NSW , Australia.,d Exercise and Sport Science, Faculty of Science , University of Newcastle , Ourimbah , NSW , Australia
| | | | | | - Antonio Tessitore
- b Department of Movement, Human and Health Sciences , University of Rome "Foro Italico" , Rome , Italy
| | - Aaron Coutts
- a Sport and Exercise Discipline Group, Faculty of Health , University of Technology Sydney (UTS) , Sydney , NSW , Australia
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18
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Madarame H. Basketball Game-Related Statistics that Discriminate among Continental Championships for Under-18 Women. Sports (Basel) 2018; 6:E114. [PMID: 30308946 PMCID: PMC6315533 DOI: 10.3390/sports6040114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/03/2018] [Accepted: 10/07/2018] [Indexed: 11/16/2022] Open
Abstract
The purposes of this study were (a) to evaluate differences in basketball game-related statistics among continental championships for under-18 (U18) women, and (b) to identify game-related statistics that discriminate among the continents. The analysis was performed on all matches (n = 136) in the four continental championships (Africa, America, Asia, Europe) of 2016. Differences in game-related statistics among the continents were analyzed by an analysis of variance (ANOVA) with effect size statistics. Game-related statistics that discriminate among the continents were assessed by discriminant analysis. The ANOVA yielded significant F-values for 13 of 16 variables and large effect size differences for 10 of 16 variables. The discriminant analysis yielded three significant functions. The Asian championship was discriminated from the other continental championships by ball possessions, defensive rebounds, assists, and fouls. The African championship was discriminated from the European championship by ball possessions, successful 3-point field goals, unsuccessful free throws, and turnovers, and from the American championship by ball possessions, unsuccessful 2-point field goals, successful 3-point field goals, successful free throws, and assists. The results of this study suggest that U18 women's basketball games are played differently in each continent.
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Affiliation(s)
- Haruhiko Madarame
- Department of Sports and Fitness, Shigakkan University, Nakoyama 55, Yokonemachi, Obu, Aichi 474-8651, Japan.
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19
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Madarame H. Regional Differences in Women's Basketball: A Comparison among Continental Championships. Sports (Basel) 2018; 6:E65. [PMID: 30036984 PMCID: PMC6162643 DOI: 10.3390/sports6030065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 07/16/2018] [Accepted: 07/18/2018] [Indexed: 11/16/2022] Open
Abstract
The aims of this study were (i) to compare basketball game-related statistics in women by region (Africa, America, Asia, Europe), and (ii) to identify characteristics that discriminate performances for each region. A total of 134 games from each continental championship held in 2017 were analyzed. A one-way ANOVA followed by a Bonferroni-adjusted pairwise comparison was performed to evaluate differences in each variable between the continents. A discriminant analysis was performed to identify game-related statistics that discriminate among the continents. The Asian and European championships overall showed similar performance profiles: Low numbers of possessions and turnovers, and high numbers of successful field goals and assists. However, the European championship was more closely contested than the Asian championship. The African championship was characterized by high numbers of possessions, free throws, and turnovers. The homogeneity of the American championship was low, and some of the cases have similarities with the African championship, whereas other cases have similarities with the European championship. On average, the American championship was characterized by low numbers of successful field goals and assists, and high numbers of steals and turnovers. It is suggested that women's basketball games are played in a different manner in each region of the world.
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Affiliation(s)
- Haruhiko Madarame
- Department of Sports and Fitness, Shigakkan University, Nakoyama 55, Yokonemachi, Obu, Aichi 474-8651, Japan.
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20
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Gryko K, Mikołajec K, Maszczyk A, Cao R, Adamczyk JG. Structural analysis of shooting performance in elite basketball players during FIBA EuroBasket 2015. INT J PERF ANAL SPOR 2018. [DOI: 10.1080/24748668.2018.1479923] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Karol Gryko
- Department of Athletics and Team Sport Games, Józef Piłsudski University of Physical Education, Warszawa, Poland
| | - Kazimierz Mikołajec
- Department of Basketball, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
| | - Adam Maszczyk
- Department of Statistics and Methodology, Academy of Physical Education, Katowice, Poland
| | - Ruiqi Cao
- Department of Sport Theory, Józef Piłsudski University of Physical Education, Warszawa, Poland
| | - Jakub Grzegorz Adamczyk
- Department of Sport Theory, Józef Piłsudski University of Physical Education, Warszawa, Poland
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21
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Conte D, Lukonaitiene I. Scoring Strategies Differentiating between Winning and Losing Teams during FIBA EuroBasket Women 2017. Sports (Basel) 2018; 6:E50. [PMID: 29910354 PMCID: PMC6026830 DOI: 10.3390/sports6020050] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/23/2018] [Accepted: 05/25/2018] [Indexed: 11/17/2022] Open
Abstract
This study aimed to examine the scoring strategies differentiating between winning and losing teams during FIBA EuroBasket Women 2017 in relation to different game scores. Data were gathered for all games of FIBA EuroBasket Women 2017 from the official website. The investigated scoring strategies were fast break points (FBP); points in the paint (PP); points from turnover (PT); second chance points (SCP); and points from the bench (PB). Games were classified with cluster analysis based on their score difference as close, balanced, and unbalanced and the differences in the scoring strategies between winning and losing teams were assessed using magnitude-based statistics. Results revealed no substantial differences in FBP in any investigated cluster. Furthermore, winning teams showed a substantially higher number of PP and PT (in close and unbalanced games) and SCP (in balanced and unbalanced games) compared to losing teams. Finally, winning teams scored substantially lower and higher number of BPs in close games and unbalanced games, respectively, compared to losing teams. In conclusion, all the investigated scoring strategies discriminate between winning and losing teams in elite women’s basketball except for FBP. These results provide useful information for basketball coaches to optimize their training sessions and game strategies.
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Affiliation(s)
- Daniele Conte
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania.
| | - Inga Lukonaitiene
- Institute of Sport Science and Innovations, Lithuanian Sports University, 44221 Kaunas, Lithuania.
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22
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Scanlan AT, Wen N, Spiteri T, Milanović Z, Conte D, Guy JH, Delextrat A, Dalbo VJ. Dribble Deficit: A novel method to measure dribbling speed independent of sprinting speed in basketball players. J Sports Sci 2018; 36:2596-2602. [PMID: 29708477 DOI: 10.1080/02640414.2018.1470217] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Basketball tests assessing dribbling speed predicated on total performance times are influenced by sprinting speed. This study examines an approach termed Dribble Deficit to counter this limitation by examining the relationships between sprinting and dribbling speed during linear and change-of-direction (COD) tasks measured using total performance time and Dribble Deficit. Ten semi-professional basketball players completed linear sprints and COD sprints with and without dribbling. Dribble Deficit was calculated as the difference between the best time for each dribbling trial and corresponding non-dribbling trial for linear and COD sprints. Large to very large significant relationships (P < 0.05) were evident between linear sprint and dribble times (R = 0.64-0.77, R2 = 0.41-0.59), and between COD sprint and dribble times (R = 0.88, R2 = 0.77). Conversely, trivial-small relationships were evident between linear sprint time and linear Dribble Deficit (R = 0.01-0.15, R2 = 0.00-0.02). A non-significant, moderate, negative relationship was observed between COD sprint time and COD Dribble Deficit (R = -0.45, R2 = 0.20). These findings indicate Dribble Deficit provides a more isolated measure of dribbling speed than tests using total performance times. Basketball practitioners may use Dribble Deficit to measure dribbling speed independent of sprint speed in test batteries.
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Affiliation(s)
- Aaron T Scanlan
- a Human Exercise and Training Laboratory , Central Queensland University , Rockhampton , Australia.,b School of Health, Medical and Applied Sciences , Central Queensland University , Rockhampton , Australia
| | - Neal Wen
- a Human Exercise and Training Laboratory , Central Queensland University , Rockhampton , Australia.,b School of Health, Medical and Applied Sciences , Central Queensland University , Rockhampton , Australia
| | - Tania Spiteri
- c School of Health Science , The University of Notre Dame , Fremantle , Australia
| | - Zoran Milanović
- d Faculty of Sport and Physical Education , University of Niš , Niš , Serbia.,e Science and Research Centre, Koper , Institute for Kinesiology Research , Koper , Slovenia
| | - Daniele Conte
- f Institute of Sport Science and Innovations , Lithuanian Sports University , Kaunas , Lithuania
| | - Joshua H Guy
- b School of Health, Medical and Applied Sciences , Central Queensland University , Rockhampton , Australia
| | - Anne Delextrat
- g Faculty of Sport and Health Sciences , Oxford Brookes University , Oxford , England
| | - Vincent J Dalbo
- a Human Exercise and Training Laboratory , Central Queensland University , Rockhampton , Australia.,b School of Health, Medical and Applied Sciences , Central Queensland University , Rockhampton , Australia
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23
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Defensive Rebounds Discriminate Winners from Losers in European but not in Asian Women’s Basketball Championships. Asian J Sports Med 2018. [DOI: 10.5812/asjsm.67428] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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24
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Ciampolini V, Ibáñez SJ, Nunes ELG, Borgatto AF, Nascimento JVD. Factors associated with basketball field goals made in the 2014 NBA finals. MOTRIZ: REVISTA DE EDUCACAO FISICA 2018. [DOI: 10.1590/s1980-6574201700040008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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25
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Investigating the game-related statistics and tactical profile in NCAA division I men's basketball games. Biol Sport 2017; 35:137-143. [PMID: 30455541 PMCID: PMC6234313 DOI: 10.5114/biolsport.2018.71602] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 08/08/2017] [Accepted: 10/08/2017] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to analyze the game-related statistics and tactical profile in winning and losing teams in NCAA division I men’s basketball games. Twenty NCAA division I men’s basketball close (score difference: 1-9 points) games were analyzed during the 2013/14 season. For each game, the game-related statistics were collected from the official teams’ box scores. Number of ball possessions, offensive and defensive ratings and the Four Factors (effective field goal percentage; offensive rebounding percentage, recovered balls per ball possession, free throw rate) were also calculated. The tactical parameters evaluated were: ball reversal, dribble in key area, post entry, on-ball screen, off-ball screen, and hand off. Differences between winning and losing teams were calculated using a magnitude-based approach. Winning teams showed a likely higher percentage of 3-point goals made, number of defensive rebounds and steals and a very likely higher number of free throws made and free throws attempted. Furthermore, winning teams showed a likely higher team offensive rating and effective field goal percentage and a very likely higher free throw rate compared to losing teams. Finally, the results revealed a likely higher number of ball reversals and post entries in winning teams compared to losing teams. This study highlighted the game-related statistics and the tactical actions differentiating between winning and losing teams in NCAA Division I men’s basketball close games. Coaches should use these results to optimize their training sessions, focusing on those variables that might increase the possibility to win close games.
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