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Monteiro RLM, Dos Santos CCA, Blauberger P, Link D, Russomanno TG, Tahara AK, Chinaglia AG, Santiago PRP. Enhancing soccer goalkeepers penalty dive kinematics with instructional video and laterality insights in field conditions. Sci Rep 2024; 14:10225. [PMID: 38702374 PMCID: PMC11068781 DOI: 10.1038/s41598-024-60074-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 04/18/2024] [Indexed: 05/06/2024] Open
Abstract
This study aimed to analyze the effect of laterality and instructional video on the soccer goalkeepers' dive kinematics in penalty. Eight goalkeepers from youth categories (U15, U17, U20) were randomly divided into control (CG) and video instruction groups (VG). The latter performed 20 penalty defense trials on the field with balls launched by a machine, ten before and after watching a video instruction to improve the diving kinematics. The CG only performed the dives. Three cameras recorded the collections. A markerless motion capture technique (OpenPose) was used for identification and tracking of joints and anatomical references on video. The pose data were used for 3D reconstruction. In the post-instruction situation, the VG presented differences in comparison to the CG in the: knee flexion/extension angle, time to reach peak resultant velocity, frontal step distance, and frontal departure angle, which generated greater acceleration during the dive. Non-dominant leg side dives had higher resultant velocity during 88.4 - 100% of the diving cycle, different knee flexion/extension angle, and higher values in the frontal step distance. The instructional video generated an acute change in the diving movement pattern of young goalkeepers when comparing the control and the video instruction group in the post condition.
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Affiliation(s)
- Rafael Luiz Martins Monteiro
- Biomechanics and Motor Control Laboratory, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil.
| | | | - Patrick Blauberger
- Chair of Performance Analysis and Sports Informatics, Technical University of Munich, 80992, Munich, Germany
| | - Daniel Link
- Chair of Performance Analysis and Sports Informatics, Technical University of Munich, 80992, Munich, Germany
| | - Tiago Guedes Russomanno
- Chair of Performance Analysis and Sports Informatics, Technical University of Munich, 80992, Munich, Germany
| | - Ariany Klein Tahara
- Biomechanics and Motor Control Laboratory, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Abel Gonçalves Chinaglia
- Biomechanics and Motor Control Laboratory, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Paulo Roberto Pereira Santiago
- Biomechanics and Motor Control Laboratory, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, 14040-907, Brazil
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Bini RR, Moura FA, Santiago PRP, Colyer S, Vanicek N. Special issue themes: Markerless motion analysis in sport and exercise. J Sports Sci 2024; 42:1-2. [PMID: 38574060 DOI: 10.1080/02640414.2024.2317652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Affiliation(s)
| | - Felipe Arruda Moura
- Applied Biomechanics Laboratory, State University of Londrina, Londrina, Brazil
| | | | | | - Natalie Vanicek
- School of Sport, Exercise and Rehabilitation Sciences, University of Hull, Hull, UK
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Macedo FPF, McKee P, Semedo ACG, Parisi M, Scarpa I, Santiago PRP, Fonseca MDCR. Exploration of outcome measures for assessing orthotic intervention in upper extremity peripheral nerve injuries: 2 case reports. Prosthet Orthot Int 2024; 48:76-82. [PMID: 38334503 DOI: 10.1097/pxr.0000000000000301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 08/17/2023] [Indexed: 02/10/2024]
Abstract
In upper extremity peripheral nerve injuries, orthotic intervention has been used as a valuable device to restore function. However, there is lacking evidence to support it. The purpose of this study was to explore the application of body function's outcome measures for orthotic intervention evaluation in patients with peripheral nerve injury. Two participants sustaining a peripheral nerve injury who underwent orthotic intervention were assessed: subject 1 was a 25-year-old man with ulnar and median nerve injury presenting with a composite claw; subject 2, a 28-year-old man with radial nerve injury presenting with a dropped wrist. Strength, range of motion, and electromyography were measured in 2 conditions: wearing the orthosis and without it. The Jamar, Pinch Gauge, a 3D motion capture system (Optitrack-NaturalPoint), and surface electromyography (Trigno Wireless System, Delsys) were the chosen instruments. Both subjects presented differences in grip and pinch strength. In both tasks, subject 1 reached higher wrist extension while wearing the orthosis. Subject 2 reached higher wrist extension and radial deviation while wearing the orthosis. There were marked differences in both tasks for subject 2, especially the maintenance of wrist extension when wearing the orthosis. Electromyographic assessment showed higher root-mean-square values for all muscles, in both tasks for subject 1. For subject 2, a higher root-mean-square value was found for flexor carpi ulnaris during the execution of task 1 wearing the orthosis. Outcome measures of body function can quantify the impact of orthotic intervention in patients sustaining peripheral nerve injury, and therefore, they are feasible for evaluating it.
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Affiliation(s)
- Flávia Pessoni F Macedo
- Department of Health Sciences, Rehabilitation and Functional Performance Postgraduate Program, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Pat McKee
- Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, Ontario, Canada
| | - Ana Carolina Grillo Semedo
- Department of Health Sciences, Rehabilitation and Functional Performance Postgraduate Program, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Maitê Parisi
- Department of Health Sciences, Rehabilitation and Functional Performance Postgraduate Program, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Isadora Scarpa
- Department of Health Sciences, Rehabilitation and Functional Performance Postgraduate Program, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Paulo Roberto Pereira Santiago
- Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirao Preto, University of São Paulo, São Paulo, Brazil
| | - Marisa de Cássia Registro Fonseca
- Department of Health Sciences, Rehabilitation and Functional Performance Postgraduate Program, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
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Bini RR, Serrancoli G, Santiago PRP, Pinto A, Moura F. Validity of Neural Networks to Determine Body Position on the Bicycle. Res Q Exerc Sport 2023; 94:905-912. [PMID: 35575754 DOI: 10.1080/02701367.2022.2070103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
Purpose: With the increased access to neural networks trained to estimate body segments from images and videos, this study assessed the validity of some of these networks in enabling the assessment of body position on the bicycle. Methods: Fourteen cyclists pedaled stationarily in one session on their own bicycles while video was recorded from their sagittal plane. Reflective markers attached to key bony landmarks were used to manually digitize joint angles at two positions of the crank (3 o'clock and 6 o'clock) extracted from the videos (Reference method). These angles were compared to measurements taken from videos generated by two deep learning-based approaches designed to automatically estimate human joints (Microsoft Research Asia-MSRA and OpenPose). Results: Mean bias for OpenPose ranged between 0.03° and 1.81°, while the MSRA method presented errors between 2.29° and 12.15°. Correlation coefficients were stronger for OpenPose than for the MSRA method in relation to the Reference method for the torso (r = 0.94 vs. 0.92), hip (r = 0.69 vs. 0.60), knee (r = 0.80 vs. 0.71), and ankle (r = 0.23 vs. 0.20). Conclusion: OpenPose presented better accuracy than the MSRA method in determining body position on the bicycle, but both methods seem comparable in assessing implications from changes in bicycle configuration.
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Affiliation(s)
| | | | | | - Allan Pinto
- Institute of Computing, State University of Compinas
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Caetano FG, Santiago PRP, da Silva Torres R, Cunha SA, Moura FA. Interpersonal coordination of opposing player dyads during attacks performed in official football matches. Sports Biomech 2023:1-16. [PMID: 37211810 DOI: 10.1080/14763141.2023.2212664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The purpose of this study was to characterise the interpersonal coordination between opponent players during offensive sequences in official matches and to verify if offensive sequences ended in shots to goal present different coordination patterns when compared than those that ended in defensive tackles. A total of 580 offensive sequences occurred during matches resulting in shots to goal (n = 172) or defensive tackles (n = 408) were analysed. The bidimensional coordinates and technical actions of male professional football players (n = 1160) were obtained using a video-based tracking system. Dyads were defined using a network analysis and composed of the nearest opponent. Interpersonal coordination of the dyads was analysed using the vector coding and the frequency for each coordination pattern was computed. In-phase was predominant for all displacement directions and offensive sequences outcomes, and antiphase was the least frequent. For lateral displacements, offensive sequences ending in shot to goal presented lower frequency for in-phase and higher frequency for offensive player phase than ended in defensive tackle. This information about the relationship of opponent players dyads during decisive moments of the matches provides fundamentals for future research and assists coaches to understand the different behaviours in successful and unsuccessful attacks.
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Affiliation(s)
| | | | - Ricardo da Silva Torres
- Department of ICT and Natural Sciences, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | | | - Felipe Arruda Moura
- Department of Sport Sciences, State University of Londrina, Londrina, Brazil
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Bini RR, Serrancoli G, Santiago PRP, Pinto A, Moura F. Criterion validity of neural networks to assess lower limb motion during cycling. J Sports Sci 2023; 41:36-44. [PMID: 36975046 DOI: 10.1080/02640414.2023.2194725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
The use of marker-less methods to automatically obtain kinematics of movement is expanding but validity to high-velocity tasks such as cycling with the presence of the bicycle on the field of view is needed when standard video footage is obtained. The purpose of this study was to assess if pre-trained neural networks are valid for calculations of lower limb joint kinematics during cycling. Motion of twenty-six cyclists pedalling on a cycle trainer was captured by a video camera capturing frames from the sagittal plane whilst reflective markers were attached to their lower limb. The marker-tracking method was compared to two established deep learning-based approaches (Microsoft Research Asia-MSRA and OpenPose) to estimate hip, knee and ankle joint angles. Poor to moderate agreement was found for both methods, with OpenPose differing from the criterion by 4-8° for the hip and knee joints. Larger errors were observed for the ankle joint (15-22°) but no significant differences between methods throughout the crank cycle when assessed using Statistical Parametric Mapping were observed for any of the joints. OpenPose presented stronger agreement with marker-tracking (criterion) than the MSRA for the hip and knee joints but resulted in poor agreement for the ankle joint.
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Affiliation(s)
| | - Gil Serrancoli
- Department of Mechanical Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain
| | | | - Allan Pinto
- Institute of Computing, State University of Compinas, Campinas, Brazil
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Fujita RA, Santos DPR, Barbosa RN, Palucci Vieira LH, Santiago PRP, Zagatto AM, Gomes MM. Auditory Information Reduces Response Time for Ball Rotation Perception, Increasing Counterattack Performance in Table Tennis. Res Q Exerc Sport 2023; 94:55-63. [PMID: 34870563 DOI: 10.1080/02701367.2021.1939252] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 06/01/2021] [Indexed: 06/13/2023]
Abstract
Purpose: Identifying the magnitude of ball rotation is critical to reduce response time, aiming to improve table tennis performance. This study analyzed the influence of auditory and visual information on the perception accuracy and counterattack performance of table tennis players. Methods: Twenty-two high-level table tennis players (22.5 ± 6.1 years, 71.2 ± 9.8 kg, 173.5 ± 7.7 cm) performed two tasks. In the first task, the athletes analyzed audio and video files of the forehand movement on a computer screen with auditory, visual, and combined information and, as soon as possible, chose the ball spin type on a keyboard: fast (spinning ball forward at 140 rotations per second (rotations/s); medium (105 rotations/s); slow (84 rotations/s); or flat hit (70 rotations/s). In the second task, the athletes performed 80 counterattacks (forehand movement) at the table on a target (68x38 cm) with and without auditory information. Results: Friedman's ANOVA revealed a significant effect of condition for perception accuracy (p < .001). Post hoc tests showed higher perception accuracy in the combined and visual conditions. ANOVA also revealed a significant effect of condition for response time to perceive ball rotation (p < .001). The response time was shorter in the combined condition than the other conditions for all spin types. Kendall's analyses showed no significant correlations between perception accuracy and response time in any ball spin type. Regarding the counterattack performance, the Wilcoxon signed-rank test indicated higher performance when auditory information was available (p = .022). Conclusions: As auditory information influences the response time and counterattack performance, it seems crucial for trainers and athletes to explore and include auditory perception training methods.
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Stival L, Pinto A, de Andrade FDSP, Santiago PRP, Biermann H, Torres RDS, Dias U. Using machine learning pipeline to predict entry into the attack zone in football. PLoS One 2023; 18:e0265372. [PMID: 36652409 PMCID: PMC9847968 DOI: 10.1371/journal.pone.0265372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 12/01/2022] [Indexed: 01/19/2023] Open
Abstract
Sports sciences are increasingly data-intensive nowadays since computational tools can extract information from large amounts of data and derive insights from athlete performances during the competition. This paper addresses a performance prediction problem in soccer, a popular collective sport modality played by two teams competing against each other in the same field. In a soccer game, teams score points by placing the ball into the opponent's goal and the winner is the team with the highest count of goals. Retaining possession of the ball is one key to success, but it is not enough since a team needs to score to achieve victory, which requires an offensive toward the opponent's goal. The focus of this work is to determine if analyzing the first five seconds after the control of the ball is taken by one of the teams provides enough information to determine whether the ball will reach the final quarter of the soccer field, therefore creating a goal-scoring chance. By doing so, we can further investigate which conditions increase strategic leverage. Our approach comprises modeling players' interactions as graph structures and extracting metrics from these structures. These metrics, when combined, form time series that we encode in two-dimensional representations of visual rhythms, allowing feature extraction through deep convolutional networks, coupled with a classifier to predict the outcome (whether the final quarter of the field is reached). The results indicate that offensive play near the adversary penalty area can be predicted by looking at the first five seconds. Finally, the explainability of our models reveals the main metrics along with its contributions for the final inference result, which corroborates other studies found in the literature for soccer match analysis.
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Affiliation(s)
- Leandro Stival
- School of Technology, University of Campinas, Limeira, São Paulo, Brazil
| | - Allan Pinto
- Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil
| | | | - Paulo Roberto Pereira Santiago
- School of Physical Education and Sport of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Henrik Biermann
- Institute of Exercise Training and Sport Informatics, German Sport, University Cologne, Cologne, Germany
| | - Ricardo da Silva Torres
- Department of ICT and Natural Sciences, NTNU—Norwegian University of Science and Technology, Aalesund, Norway
| | - Ulisses Dias
- School of Technology, University of Campinas, Limeira, São Paulo, Brazil
- * E-mail:
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Monteiro RLM, Bedo BLS, Monteiro PHM, de Andrade FDSP, Moura FA, Cunha SA, Torres RDS, Memmert D, Santiago PRP. Penalty feet positioning rule modification and laterality effect on soccer goalkeepers' diving kinematics. Sci Rep 2022; 12:18493. [PMID: 36323704 PMCID: PMC9630263 DOI: 10.1038/s41598-022-21508-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 09/28/2022] [Indexed: 11/23/2022] Open
Abstract
In 2019, a new rule was applied in soccer. It allows the goalkeeper to have only one foot or part of it on the goal line when the kicker hits the ball, unlike the previous rule that determined the goalkeeper should have both feet on the line. The purpose of the present study was to analyze how the change in the rule and the lower limbs laterality influences on the diving save kinematic performance in penalties. Six goalkeepers, two professionals and four amateurs, performed a total of 20 dives in the laboratory and had their force and impulse exerted by the lower limb and displacement/velocity data from the center of body mass collected through force plates and kinematic analysis. The side preference was collected through an inventory. The results showed that goalkeepers dive further (p < 0.001) and faster (p < 0.001) when diving according to the new rule. Dives for the non-dominant side presented higher values than the trials for the dominant side in mediolateral (p = 0.02) and resultant (p = 0.03) displacements. Concluding, the goalkeepers performed better with the new rule in the analyzed variables and the lower limb preference has influenced only the mediolateral and resultant displacement.
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Affiliation(s)
- Rafael Luiz Martins Monteiro
- grid.11899.380000 0004 1937 0722Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, 14040-907 Brazil ,grid.11899.380000 0004 1937 0722Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, 14049-900 Brazil
| | - Bruno Luiz Souza Bedo
- grid.11899.380000 0004 1937 0722School of Physical Education and Sport, University of São Paulo (USP), São Paulo, 05508-030 Brazil
| | - Pedro Henrique Martins Monteiro
- grid.11899.380000 0004 1937 0722School of Physical Education and Sport, University of São Paulo (USP), São Paulo, 05508-030 Brazil
| | - Felipe dos Santos Pinto de Andrade
- grid.11899.380000 0004 1937 0722Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, 14040-907 Brazil
| | - Felipe Arruda Moura
- grid.411400.00000 0001 2193 3537Laboratory of Applied Biomechanics, Department of Sport Sciences, Centre of Physical Education and Sport, State University of Londrina, Londrina, 86057‑970 Brazil
| | - Sergio Augusto Cunha
- grid.411087.b0000 0001 0723 2494Department of Sport Sciences, University of Campinas, Campinas, Brazil
| | - Ricardo da Silva Torres
- grid.5947.f0000 0001 1516 2393Department of ICT and Natural Sciences, NTNU – Norwegian University of Science and Technology, Aalesund, Norway
| | - Daniel Memmert
- grid.27593.3a0000 0001 2244 5164Institute of Exercise Training and Sport Informatics, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany
| | - Paulo Roberto Pereira Santiago
- grid.11899.380000 0004 1937 0722Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, 14040-907 Brazil ,grid.11899.380000 0004 1937 0722Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, 14049-900 Brazil
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Bedo BLS, Catelli DS, Lamontagne M, Moraes R, Pereira DR, Graça JB, Santiago PRP. Fatigue modifies hip and knee kinematics during single- and double-leg dynamic tasks: An investigation with female handball players. J Sports Sci 2022; 40:1964-1972. [DOI: 10.1080/02640414.2022.2123506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Bruno L. S. Bedo
- Graduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
- Human Movement Biomechanics Laboratory, University of Ottawa, Ottawa, Canada
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
- Department of Sport, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
| | - Danilo S. Catelli
- Human Movement Biomechanics Laboratory, University of Ottawa, Ottawa, Canada
- Human Movement Biomechanics Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Mario Lamontagne
- Human Movement Biomechanics Laboratory, University of Ottawa, Ottawa, Canada
| | - Renato Moraes
- Graduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Dayanne Rodrigues Pereira
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Julia Barachini Graça
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Paulo Roberto Pereira Santiago
- Graduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Bellizzi GL, Will-Lemos T, Resende RA, Cervi ACC, Santiago PRP, Fernández-de-las-Peñas C, Bevilaqua-Grossi D, Florencio LL. Knee Kinetics and Kinematics of Young Asymptomatic Participants during Single-Leg Weight-Bearing Tasks: Task and Sex Comparison of a Cross-Sectional Study. Int J Environ Res Public Health 2022; 19:ijerph19095590. [PMID: 35564985 PMCID: PMC9104880 DOI: 10.3390/ijerph19095590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 11/24/2022]
Abstract
This cross-sectional study aimed to describe and compare kinetic and kinematic variables of the knee joint during stair descent, single-leg step down, and single-leg squat tasks. It also aimed to investigate potential sex difference during the tasks. Thirty young asymptomatic individuals (15 males, 15 females) were assessed during the performance of single-leg weight-bearing tasks. The kinetic and kinematic data from the knee were evaluated at the peak knee moment and at peak knee flexion. Single-leg squat presented a higher peak knee moment (2.37 Nm/kg) and the greatest knee moment (1.91 Nm/kg) at knee peak angle in the frontal plane, but the lowest knee flexion (67°) than the other two tasks (p < 0.05). Additionally, the single-leg step down task presented a higher varus knee angle (5.70°) when compared to stair descent (3.71°) (p < 0.001). No substantial sex difference could be observed. In conclusion, in asymptomatic young individuals, single-leg squats presented the greatest demand in the frontal and sagittal planes. Single-leg step down demanded a greater angular displacement than stair descent in the frontal plane. We did not identify a significant difference among the sex and studied variables.
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Affiliation(s)
- Gustavo Luís Bellizzi
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (G.L.B.); (T.W.-L.); (A.C.C.C.); (D.B.-G.)
| | - Tenysson Will-Lemos
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (G.L.B.); (T.W.-L.); (A.C.C.C.); (D.B.-G.)
| | - Renan Alves Resende
- Department of Physical Therapy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil;
| | - Ana Cristina Corrêa Cervi
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (G.L.B.); (T.W.-L.); (A.C.C.C.); (D.B.-G.)
| | | | - César Fernández-de-las-Peñas
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28922 Alcorcón, Spain;
| | - Débora Bevilaqua-Grossi
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (G.L.B.); (T.W.-L.); (A.C.C.C.); (D.B.-G.)
| | - Lidiane Lima Florencio
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, Brazil; (G.L.B.); (T.W.-L.); (A.C.C.C.); (D.B.-G.)
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28922 Alcorcón, Spain;
- Correspondence: ; Tel.: +34-91-488-86-09
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Claudino JG, Capanema DDO, Santiago PRP. AIM in Sports Medicine. Artif Intell Med 2021. [DOI: 10.1007/978-3-030-58080-3_222-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Dos-Santos JW, da Silva HS, da Silva Junior OT, Barbieri RA, Penafiel ML, da Silva RNB, Milioni F, Vieira LHP, Coledam DHC, Santiago PRP, Papoti M. Physiology Responses and Players' Stay on the Court During a Futsal Match: A Case Study With Professional Players. Front Psychol 2020; 11:620108. [PMID: 33381074 PMCID: PMC7767871 DOI: 10.3389/fpsyg.2020.620108] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 11/16/2020] [Indexed: 11/23/2022] Open
Abstract
Physiological responses in futsal have not been studied together with temporal information about the players’ stay on the court. The aim of this study was to compare heart rate (HR) and blood lactate concentration ([La−]) responses between 1-H and 2-H considering the time of permanency of the players on the court at each substitution in a futsal match. HR was recorded during entire match and [La−] was analyzed after each substitution of seven players. %HRmean (89.61 ± 2.31 vs. 88.03 ± 4.98 %HRmax) and [La−] mean (8.46 ± 3.01 vs. 8.17 ± 2.91 mmol·L−1) did not differ between 1-H and 2-H (ES, trivial-small). Time in intensity zones of 50–100 %HRmax differed only in 60–70 %HRmax (ES, moderate). HR coefficient of variation throughout the match was low (7%) and among the four outfield players on the court (quartets, 5%). Substitutions (2 player’s participation in each half), time of permanence on the court (7.15 ± 2.39 vs. 9.49 ± 3.80 min), ratio between time in- and out-ratio on the court (In:Outcourt = 1:1.30 ± 1:0.48 vs. 1:1.05 ± 1:0.55 min) also were similar between 1-H and 2-H (ES, moderate and small, respectively). Balancing the number of substitutions, and the In:Outcourt ratio of players in both halves of the match, playing lower time at 1-H, ~8 min for each participation in the match, made it possible to maintain intensity of the match in 2-H similar to the 1H. These results are a good guidance to coaches and for application in future studies.
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Affiliation(s)
- Julio Wilson Dos-Santos
- Laboratory and Research Group on Physiology Applied to Sports Training (FITES), Department of Physical Education, School of Sciences, São Paulo State University (UNESP), São Paulo, Brazil.,Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Henrique Santos da Silva
- Laboratory and Research Group on Physiology Applied to Sports Training (FITES), Department of Physical Education, School of Sciences, São Paulo State University (UNESP), São Paulo, Brazil.,Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Osvaldo Tadeu da Silva Junior
- Laboratory and Research Group on Physiology Applied to Sports Training (FITES), Department of Physical Education, School of Sciences, São Paulo State University (UNESP), São Paulo, Brazil.,Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Ricardo Augusto Barbieri
- Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Matheus Luiz Penafiel
- Laboratory and Research Group on Physiology Applied to Sports Training (FITES), Department of Physical Education, School of Sciences, São Paulo State University (UNESP), São Paulo, Brazil.,Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Roberto Nascimento Braga da Silva
- Laboratory and Research Group on Physiology Applied to Sports Training (FITES), Department of Physical Education, School of Sciences, São Paulo State University (UNESP), São Paulo, Brazil.,Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Fábio Milioni
- Postgraduate Program in Movement Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | | | - Diogo Henrique Constantino Coledam
- Laboratory and Research Group on Physiology Applied to Sports Training (FITES), Department of Physical Education, School of Sciences, São Paulo State University (UNESP), São Paulo, Brazil.,Federal Institute of Education, Science and Technology of São Paulo, Boituva, Brazil
| | | | - Marcelo Papoti
- School of Physical Education and Sports, University of São Paulo (USP), São Paulo, Brazil
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Leme JC, Banks LDS, Reis YBD, Cardoso JR, Campos MH, Santiago PRP, Moura FA. Sports bra but not sports footwear decreases breast movement during walking and running. J Biomech 2020; 111:110014. [PMID: 32891811 DOI: 10.1016/j.jbiomech.2020.110014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/14/2020] [Accepted: 08/18/2020] [Indexed: 10/23/2022]
Abstract
Running is a modality that has a large number of adepts, including women. Therefore, it is important to understand how sportswear can help women, with special attention to the breast movement. The aim of this study was to analyse the effect of different combinations of breast support and footwear on the breast movement during walking and running. Twenty women performed treadmill walking (5 km/h) and running (7 and 10 km/h) combining different footwear (barefoot, minimalist, and traditional) and breast support conditions (bare breast, everyday bra, and sports bra). Three-dimensional data from breast and trunk markers were tracked for 10 stride cycles. Relative breast displacement was calculated and derived for velocity. An interaction effect was observed between support, footwear, and speed conditions. The bare breast conditions presented differences from the other conditions in the majority of the kinematic variables, presenting higher breast displacement and velocity values. On the other hand, the sports bra conditions presented the lowest values for the kinematics variables. In the vertical component of breast displacement during running (10 km/h) we verified that the sports bra presented reductions of 56% and 43% in relation to the bare breast and everyday bra conditions, respectively. Despite this, no differences were found between footwear within each breast support condition. A sports bra is efficient to decrease breast movement. In addition, neither of the tested footwear was able to decrease these movements.
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Affiliation(s)
- Juliane Cristina Leme
- Laboratory of Applied Biomechanics, Sport Sciences Department, State University of Londrina, Londrina, Brazil.
| | - Luiza Dos Santos Banks
- Laboratory of Applied Biomechanics, Sport Sciences Department, State University of Londrina, Londrina, Brazil
| | - Yasmim Barbosa Dos Reis
- Laboratory of Applied Biomechanics, Sport Sciences Department, State University of Londrina, Londrina, Brazil
| | - Jefferson Rosa Cardoso
- Laboratory of Biomechanics and Clinical Epidemiology, PAIFIT Research Group, State University of Londrina, Londrina, Brazil
| | - Mario Hebling Campos
- Human Movement Assessment Laboratory, Faculty of Physical Education and Dance, Federal University of Goias, Goiania, Brazil
| | - Paulo Roberto Pereira Santiago
- Biomechanics and Motor Control Lab (LaBioCoM), School of Physical Education and Sport, University of São Paulo (Usp), Ribeirão Preto, Brazil
| | - Felipe Arruda Moura
- Laboratory of Applied Biomechanics, Sport Sciences Department, State University of Londrina, Londrina, Brazil
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Vieira AM, Luiz de Souza Bedo B, Mariano FP, de Souza Serenza F, Palucci Vieira LH, Pereira Santiago PR. WITHDRAWN: Correlation of the torque peak of the isokinetic dynamometer with the peak of ground reaction force in the drop vertical jump in professional futsal players. Phys Ther Sport 2020. [DOI: 10.1016/j.ptsp.2020.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Palucci Vieira LH, Arins FB, Guglielmo LGA, de Lucas RD, Carminatti LJ, Santiago PRP. Game Running Performance and Fitness in Women’s Futsal. Int J Sports Med 2020; 42:74-81. [DOI: 10.1055/a-1202-1496] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AbstractThe study aimed to verify possible associations between game-play running
performance and outcomes derived from fitness (running) tests in female futsal
players. Sixteen women professional elite futsal players from a 1st
division league team (19.2±2 years-old, 4.3±2.1 years of
experience) participated. Firstly, a graded incremental treadmill test was
adopted to determine maximal oxygen uptake (VO2max). Following
72 h of laboratory protocol, players were asked to perform a
repeated-sprint test on a court (8×40 m with two 180°
change-of-directions). Twenty-four hours after, players participated in a
one-off friendly game (two 20-min half-times). A computerized automatic image
recognition software (DVIDEOW; 30 Hz) allowed to determine game running
performance variables. Fatigue index and best time in the court test and
VO2max and its attached speed derived from laboratory-based test
showed significant moderate-to-moderately high correlations
(r=− 0.59–0.76; p<0.05) with some game
running performance outputs, notably related to high-intensity running. In
conclusion, the present study provided initial evidence on associations between
two fitness tests and one-off game running performance in female futsal.
Information derived from the work potentially help conditioning professionals
working with female futsal athletes gain awareness about some properties of
common testing tools.
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Affiliation(s)
- Luiz Henrique Palucci Vieira
- Faculty of Sciences, UNESP, Bauru, Brazil
- School of Physical Education and Sport of Ribeirão Preto,
University of São Paulo (USP), Ribeirão Preto,
Brazil
| | - Francimara Budal Arins
- Physical Effort Laboratory, Sports Center, Federal University of Santa
Catarina, Florianópolis, Brazil
| | | | - Ricardo Dantas de Lucas
- Physical Effort Laboratory, Sports Center, Federal University of Santa
Catarina, Florianópolis, Brazil
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Wilson RS, Smith NMA, Bedo BLS, Aquino R, Moura FA, Santiago PRP. Technical skill not athleticism predicts an individual’s ability to maintain possession in small-sided soccer games. SCI MED FOOTBALL 2020. [DOI: 10.1080/24733938.2020.1780468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Robbie S. Wilson
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Nicholas M. A. Smith
- School of Life and Environmental Sciences, University of Sydney, Sydney, Australia
| | - Bruno Luiz Souza Bedo
- Medical School of Ribeirão Preto (FMRP), University of São Paulo, Brazil
- Ribeirão Preto School of Physical Education and Sports (EEFERP), University of Sao Paulo, São Paulo Brazil
| | - Rodrigo Aquino
- Medical School of Ribeirão Preto (FMRP), University of São Paulo, Brazil
| | - Felipe Arruda Moura
- Laboratory of Applied Biomechanics, Sport Sciences Department, State University of Londrina, Londrina, Brazil
| | - Paulo Roberto Pereira Santiago
- Medical School of Ribeirão Preto (FMRP), University of São Paulo, Brazil
- Ribeirão Preto School of Physical Education and Sports (EEFERP), University of Sao Paulo, São Paulo Brazil
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Bedo BLS, Catelli DS, Lamontagne M, Santiago PRP. A custom musculoskeletal model for estimation of medial and lateral tibiofemoral contact forces during tasks with high knee and hip flexions. Comput Methods Biomech Biomed Engin 2020; 23:658-663. [DOI: 10.1080/10255842.2020.1757662] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Bruno Luiz Souza Bedo
- Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
- School of Human Kinetics, University of Ottawa, Ottawa, ON, Canada
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Mario Lamontagne
- School of Human Kinetics, University of Ottawa, Ottawa, ON, Canada
| | - Paulo Roberto Pereira Santiago
- Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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Abstract
BACKGROUND To date, athletic performance has been extensively assessed in youth soccer players through laboratory and field testing. Only recently has running performance via time-motion analysis been assessed during match play. Match running data are often useful in a practical context to aid game understanding and decision making regarding training content and prescriptions. A plethora of previous reviews have collated and appraised the literature on time-motion analysis in professional senior players, but none have solely examined youth players. OBJECTIVE The aim of the present systematic review was to provide a critical appraisal and summary of the original research articles that have evaluated match running performance in young male soccer players. METHODS Following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) statement, literature searches were performed in four databases: PubMed, ISI Web of Science, SPORTDiscus and SciELO. We used the following descriptors: soccer, football, young, youth, junior, physical performance, running performance, match running performance, movement patterns, time-motion analysis, distances covered, activity profile, work rate, match analysis, and match performance. Articles were included only if they were original articles written in the English language, studied populations of male children and/or adolescents (aged ≤ 20 years), were published/ahead of print on or before 31 December 2017 and showed at least one outcome measure regarding match running performance, such as total distance covered, peak game speed or indicators of activities performed at established speed thresholds. RESULTS A total of 5801 records were found. After duplicates were removed and exclusion and inclusion criteria applied, 50 articles were included (n = 2615 participants). Their outcome measures were extracted and findings were synthesized. The majority of the reviewed papers covered the European continent (62%) and used global positioning systems (GPS) (64%). Measurement error of the tools used to obtain position data and running metrics was systematically overlooked among the studies. The main aims of studies were to examine differences across playing positions (20%), age groups (26%) and match halves (36%). Consistent findings pointed to the existence of positional role and age effects on match running output (using fixed running speed thresholds), but there was no clear consensus about reductions in activity over the course of match play. Congested schedules negatively affected players' running performance. While over 32% of all studies assessed the relationships between match running performance and physical capacity, biochemical markers and body composition, ~ 70% of these did not account for playing position. CONCLUSIONS This review collated scientific evidence that can aid soccer conditioning professionals in understanding external match loads across youth categories. Coaches working with youth development programs should consider that data derived from a given population may not be relevant for other populations, since game rules, match format and configuration are essentially unstandardized among studies for age-matched players. Despite limited evidence, periodization training emphasizing technical-tactical content can improve match running performance. Occurrence of acute and residual impairments in the running performance of young soccer players is common. Prescription of postmatch recovery strategies, such as cold water immersion and spa treatment, can potentially help reduce these declines, although additional research is warranted. This review also highlighted areas requiring further investigation, such as the possible influence of environmental and contextual constraints and a more integrative approach combining tactical and technical data.
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Affiliation(s)
- Luiz Henrique Palucci Vieira
- FMRP Faculty of Medicine at Ribeirão Preto, University of São Paulo, Avenue Bandeirantes 3900-Monte Alegre, Ribeirão Preto, São Paulo, 14049-900, Brazil.,LaBioCoM Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Campus Ribeirão Preto, Ribeirão Preto, SP, Brazil.,MOVI-LAB Human Movement Research Laboratory, Physical Education Department, Faculty of Sciences, São Paulo State University UNESP, Campus Bauru, Bauru, SP, Brazil
| | - Christopher Carling
- Institute of Coaching and Performance, University of Central Lancashire, Preston, UK
| | - Fabio Augusto Barbieri
- MOVI-LAB Human Movement Research Laboratory, Physical Education Department, Faculty of Sciences, São Paulo State University UNESP, Campus Bauru, Bauru, SP, Brazil
| | - Rodrigo Aquino
- FMRP Faculty of Medicine at Ribeirão Preto, University of São Paulo, Avenue Bandeirantes 3900-Monte Alegre, Ribeirão Preto, São Paulo, 14049-900, Brazil.,CIFI2D, FADEUP Faculty of Sports, University of Porto, Porto, Portugal
| | - Paulo Roberto Pereira Santiago
- FMRP Faculty of Medicine at Ribeirão Preto, University of São Paulo, Avenue Bandeirantes 3900-Monte Alegre, Ribeirão Preto, São Paulo, 14049-900, Brazil. .,LaBioCoM Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Campus Ribeirão Preto, Ribeirão Preto, SP, Brazil.
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Bedo BLS, Pereira DR, Moraes R, Kalva-Filho CA, Will-de-Lemos T, Santiago PRP. The rapid recovery of vertical force propulsion production and postural sway after a specific fatigue protocol in female handball athletes. Gait Posture 2020; 77:52-58. [PMID: 31986376 DOI: 10.1016/j.gaitpost.2020.01.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 12/11/2019] [Accepted: 01/20/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Muscle fatigue is characterized by a decrease in muscle performance, accompanied by an increase in perceived exertion to produce a desired amount of force. The duration of the fatigue effects is not completely clear regarding postural sway and force production in athletes. RESEARCH QUESTION What is the effect of a specific fatigue protocol in postural sway and force production in female handball athletes and the recovery time necessary for these variables? METHODS Twenty female handball athletes participated in this study. Specific handball actions composed the fatigue protocol in the format of a circuit with the gradual increment of laps. They stood upright in one-leg posture on a force plate. For the maximum propulsion force (FMAX), they performed a countermovement jump on the force plate. The center of pressure (COP) and the FMAX were obtained at baseline, immediately after the exhaustion due to the fatigue protocol and every minute during the first 10 min of the recovery phase. RESULTS The FMAX decreased ∼9.5% after the fatigue protocol, whereas de COP area increased 224%. During the recovery phase, the FMAX and the COP area returned to baseline values after five minutes. SIGNIFICANCE The first five minutes immediately after the fatigue protocol represent the time interval where the fatigue effects are still present. Future studies willing to investigate the effects of fatigue in athletes should perform the analysis within this short time-window.
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Affiliation(s)
- Bruno Luiz Souza Bedo
- Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; Rehabilitation and Functional Performance Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Dayanne Rodrigues Pereira
- Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Renato Moraes
- Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; Rehabilitation and Functional Performance Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Carlos Augusto Kalva-Filho
- Rehabilitation and Functional Performance Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Tenysson Will-de-Lemos
- Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Paulo Roberto Pereira Santiago
- Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; Rehabilitation and Functional Performance Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
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Wilson RS, Smith NMA, Santiago PRP, Camata T, Ramos SDP, Caetano FG, Cunha SA, Sandes de Souza AP, Moura FA. Predicting the defensive performance of individual players in one vs. one soccer games. PLoS One 2018; 13:e0209822. [PMID: 30596724 PMCID: PMC6312280 DOI: 10.1371/journal.pone.0209822] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 12/12/2018] [Indexed: 11/18/2022] Open
Abstract
The aim of this study was to use technical skill and physical performance and coaches’ rankings to predict the defensive performance of junior soccer players. Twenty-one male players (mean age 17.2 years, SD = 1.1) were recruited from the Londrina Junior Team Football Academy in Brazil. Data were collected during regular training sessions. After participants had warmed up, players were asked to either dribble the ball or sprint through five custom circuits that varied in average curvature (0–1.37 radians.m-1). In addition, four coaches were asked to rank the players from best to worst in defensive ability. Dribbling, sprinting, and coaches’ rankings were then compared with defending performance as assessed in the one vs. one competitions (N = 1090 paired-trials: 40–65 trials per individual), in which they acted as defender or attacker in turn. When defending, the objective was to steal the ball or prevent the attacker from running around them with the ball into a scoring zone. Testing occurred over three days. Overall, dribbling performance (r = 0.56; P = 0.008) and coaches’ ranking (r = 0.59; P = 0.004) were significantly related to defensive ability; sprinting performance was not (r = 0.20; P = 0.38). Though dribbling performance and coaches’ ranking each explained 30% and 37% of the variance in defensive performance, respectively, the two predictors were not related (r = 0.27; P = 0.23), so combined these traits explained more than half the variance in defensive performance. In conclusion, the current study demonstrates that including only one metric of closed-skill performance—dribbling speed—doubles the ability of coaches to identify their best defensive players in one vs. one scenarios.
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Affiliation(s)
- Robbie S. Wilson
- School of Biological Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Nicholas M. A. Smith
- School of Life and Environmental Sciences, The University of Sydney, Sydney, New South Wales, Australia
- * E-mail:
| | | | - Thiago Camata
- Sport Sciences Department, State University of Londrina, Londrina, Brazil
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Wilson RS, Smith NMA, Ramos SDP, Giuliano Caetano F, Aparecido Rinaldo M, Santiago PRP, Cunha SA, Moura FA. Dribbling speed along curved paths predicts attacking performance in match-realistic one vs. one soccer games. J Sports Sci 2018; 37:1072-1079. [PMID: 30470166 DOI: 10.1080/02640414.2018.1544110] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
This study assessed whether a new, closed-skill dribbling or sprinting task could predict attacking performance in soccer. Twenty-five male players were recruited from the Londrina Junior Team Football Academy in Brazil and asked to either dribble the ball or sprint through five custom circuits that varied in average curvature (0-1.37 radians.m-1). These measures were then validated using a realistic one vs. one competition in which each player acted as attacker or defender in turn (N = 1330 bouts). Sprinting (ICC = 0.96) and dribbling (ICC = 0.97) performances were highly repeatable for individual players. Average dribbling speed decreased non-linearly with increasing circuit curvature (F = 239.5; P < 0.001) from 5.19 ± 0.11 ms-1 on the straightest path to 2.13 ± 0.03 ms-1 on the curviest. Overall, dribbling but not sprinting performance predicted attacking success in the one vs. one competition, explaining more than 50% of the variation in attacking success alone (rp = 0.70; P < 0.001). In conclusion, our new closed-skill dribbling assessment is a valid and reliable protocol to predict a soccer player's success in attacking performance in one vs. one situation, and can be used to identify talented players.
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Affiliation(s)
- Robbie S Wilson
- a School of Biological Sciences , The University of Queensland , St Lucia , Australia
| | - Nicholas M A Smith
- b School of Life and Environemntal Sciences , University of Sydney , Brisbane , Australia
| | | | | | | | | | | | - Felipe Arruda Moura
- c Sport Sciences Department , State University of Londrina , Londrina , Brazil
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Vieira AM, de Souza Bedo BL, Mariano FP, de Souza Serenza F, Palucci Vieira LH, Pereira Santiago PR. Correlation of the torque peak of the Isokinetic Dynamometer with the peak of ground reaction force in the drop vertical jump in professional futsal players. Phys Ther Sport 2018. [DOI: 10.1016/j.ptsp.2017.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Gomes AD, Ricci FPFM, Zampar AC, Santiago PRP, Fonseca MDCR. Influência da órtese estática de punho na atividade muscular e amplitude de movimento de ombro e cotovelo durante uma tarefa funcional: estudo biomecânico. Fisioter Pesqui 2018. [DOI: 10.1590/1809-2950/17016425012018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO As órteses são recursos terapêuticos indicados para proteger, corrigir deformidades ou auxiliar em certas funções; porém, seu uso pode acarretar compensações proximais no ombro. O objetivo deste estudo é avaliar a influência da órtese estática dorsal do punho, em 30° de extensão na biomecânica do ombro e cotovelo, em 25 voluntários assintomáticos durante uma tarefa funcional. Os dados da amplitude de movimento e ativação muscular foram adquiridos de forma sincronizada e simultânea durante parte do teste funcional Elui, que simula alimentação, dividida em alcance, deslocamento e liberação, de uma jarra, nas condições sem e com órtese. Para possibilitar a comparação entre os diferentes sujeitos e músculos, os dados foram analisados pela integral do sinal EMG de cada músculo e, para análise cinemática, foram construídos sistemas de coordenadas de marcadores pré-definidos. Os sinais captados foram filtrados e processados por um software personalizado, e utilizou-se o teste t para amostras pareadas - software SPSS, p<0,05. Notou-se um aumento significativo da ativação dos músculos deltoide anterior e peitoral maior na fase de alcance, e trapézio superior, deltoide anterior e posterior na fase de liberação com a órtese. A cinemática mostrou aumento significativo na amplitude de movimento na abdução do ombro, flexão do cotovelo e pronação do antebraço na fase de deslocamento, e dos movimentos extensão do ombro e flexão do cotovelo na fase de liberação. Nossos achados sugerem que o uso da órtese estática do punho durante a execução de uma tarefa pode acarretar compensações, com predomínio da ativação dos músculos mais proximais do membro superior.
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Milioni F, Zagatto AM, Barbieri RA, Andrade VL, Dos Santos JW, Gobatto CA, da Silva ASR, Santiago PRP, Papoti M. Energy Systems Contribution in the Running-based Anaerobic Sprint Test. Int J Sports Med 2017; 38:226-232. [PMID: 28192833 DOI: 10.1055/s-0042-117722] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The aims of the present study were to verify the contributions of the energy systems during repeated sprints with a short recovery time and the associations of the time- and power-performance of repeated sprints with energetic contributions and aerobic and anaerobic variables. 13 healthy men performed the running-based anaerobic sprint test (RAST) followed by an incremental protocol for lactate minimum intensity determination. During the RAST, the net energy system was estimated using the oxygen consumption and the blood lactate responses. The relative contributions of oxidative phosphorylation, glycolytic, and phosphagen pathways were 38, 34, and 28%, respectively. The contribution of the oxidative pathway increased significantly during RAST especially from the third sprint, at the same time that power- and time-performances decreases significantly. The phosphagen pathway was associated with power-performance (peak power=432±107 W, r=0.65; mean power=325±80 W, r=0.65; minimum power=241±77 W, r=0.57; force impulse=1 846±478 N·s, r=0.74; p<0.05). The time-performance (total time=37.9±2.5 s; best time=5.7±0.4 s; mean time=6.3±0.4 s; worst time=7.0±0.6 s) was significantly correlated with the oxidative phosphorylation pathway (0.57<r+>+0.65; p<0.05) and glycolytic pathway (0.57+<+r>0.58; p<0.05). The oxidative pathway appears to play an important role in better recovery between sprints, and the continued use of the glycolytic metabolic pathway seems to decrease sprint performances. Finally, the phosphagen pathway was linked to power production/maintenance.
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Affiliation(s)
- F Milioni
- UNESP - Univ Estadual Paulista, Department of Physical Education, Post Graduate Program in Movement Science, Rio Claro, São Paulo, Brazil
| | - A M Zagatto
- UNESP - Univ Estadual Paulista, Department of Physical Education, Post Graduate Program in Movement Science, Rio Claro, São Paulo, Brazil
| | - R A Barbieri
- UNESP - Univ Estadual Paulista, Department of Physical Education, Post Graduate Program in Movement Science, Rio Claro, São Paulo, Brazil
| | - V L Andrade
- UNESP - Univ Estadual Paulista, Department of Physical Education, Post Graduate Program in Movement Science, Rio Claro, São Paulo, Brazil
| | - J W Dos Santos
- UNESP - Univ Estadual Paulista, Department of Physical Education, Post Graduate Program in Movement Science, Rio Claro, São Paulo, Brazil
| | - C A Gobatto
- School of Applied Sciences, University of Campinas, Limeira, Brazil
| | - A S R da Silva
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - P R P Santiago
- School of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - M Papoti
- UNESP - Univ Estadual Paulista, Department of Physical Education, Post Graduate Program in Movement Science, Rio Claro, São Paulo, Brazil
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Pereira Santiago PR, Palucci Vieira LH, Barbieri FA, Moura FA, Exel Santana J, de Andrade VL, de Souza Bedo BL, Cunha SA. Comparison of the Kinematic Patterns of Kick Between Brazilian and Japanese Young Soccer Players. Asian J Sports Med 2016; 7:e33645. [PMID: 27625761 PMCID: PMC5003309 DOI: 10.5812/asjsm.33645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/22/2015] [Accepted: 12/09/2015] [Indexed: 11/16/2022] Open
Abstract
Background Kicking performance is the most studied technical action in soccer and lower limbs kinematics is closely related to success in kicking, mainly because they are essential in imparting high velocity to the ball. Previous studies demonstrated that soccer leagues in different countries exhibit different physical demands and technical requirements during the matches. However, evidencewhether nationality has any influence in the kinematics of soccer-related skills has not yet been reported. The nationality of the players is an aspect that might be also relevant to the performance in kicking. Objectives The aim of this study was to compare the lower limbs kinematic patterns during kicking, between Brazilian and Japanese young top soccer players. Patients and Methods Seven Brazilian (GA) and seven Japanese (GB) U-17 players performed 15 side-foot kicks each, with a distance of 20 m away from the goal, aiming a target of 1 × 1 m in upper corner, constrained by a defensive wall (1.8 × 2 m). Four digital video cameras (120 Hz) recorded the performance for further 3D reconstruction of thigh, shank and foot segments of both kicking and support limbs. The selected kicking cycle was characterized by the toe-off of the kicking limb to the end of the kicking foot when it came in contact with the ball. Stereographical projection of each segment was applied to obtain the representative curves of kicking as function of time for each participant in each trial. Cluster analysis was performed to identify the mean GA and GB curves for each segment. Silhouette coefficient (SC) was calculated, in order to determine the degree of separation between the two groups’ curves. Results Comparison between the median confidence intervals of the SC showed no differences between groups as regards lower limb patterns of movements. Task accuracy was determined by the relative frequency that the ball reached the target for all attempts and no differences were found (GA: 10.48 ± 14.33%; GB: 9.52 ± 6.51%; P = 0.88). Conclusions We conclude that lower limb kinematic patterns, in support and ball contact phases, are similar in young Brazilian and Japanese soccer players during free kicks when adopting the side-foot kick style.
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Affiliation(s)
- Paulo Roberto Pereira Santiago
- Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
- Faculty of Medicine at Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
- Corresponding author: Paulo Roberto Pereira Santiago, Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil. Tel: +55-1636020529, Fax: +55-1935264100, E-mail:
| | - Luiz Henrique Palucci Vieira
- Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
- Faculty of Medicine at Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Fabio Augusto Barbieri
- Laboratory of Information, Vision and Action, Sao Paulo State University, Bauru, SP, Brazil
| | - Felipe Arruda Moura
- Laboratory of Applied Biomechanics, State University of Londrina, PR, Brazil
| | - Juliana Exel Santana
- Laboratory of Instrumentation for Biomechanics, State University of Campinas, SP, Brazil
| | - Vitor Luiz de Andrade
- Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
- Faculty of Medicine at Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Bruno Luiz de Souza Bedo
- Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
- Faculty of Medicine at Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Sergio Augusto Cunha
- Laboratory of Instrumentation for Biomechanics, State University of Campinas, SP, Brazil
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Vieira LHP, Doğramaci SN, Barbieri RA, Milioni F, Moura FA, Andrade VLD, Cesar GM, Santiago PRP. Preliminary results on organization on the court, physical and technical performance of Brazilian professional futsal players: comparison between friendly pre-season and official match. Motriz: rev educ fis 2016. [DOI: 10.1590/s1980-6574201600020011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | - Fabio Milioni
- Universidade Estadual Paulista "Julio de Mesquita Filho", Brazil
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Spanó NV, Mariano FP, Andrade VLD, Bedo BLDS, Vieira LHP, Santiago PRP. EFEITO DO TREINO NEUROMUSCULAR NA ROTAÇÃO DO JOELHO DURANTE A ATERRISSAGEM EM MULHERES. REV BRAS MED ESPORTE 2016. [DOI: 10.1590/1517-869220162202143722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Introdução: O grande índice de lesões do ligamento cruzado anterior sem envolver contato em mulheres é motivo de curiosidade entre os cientistas, pois avaliações de aterrissagem podem sugerir a predisposição ao risco dessa lesão. Neste sentido, vários protocolos de treinamento foram utilizados como intervenção e obtiveram resultados diversificados na alteração desse fator de risco. Objetivo: O objetivo deste projeto foi avaliar as possíveis alterações de rotação do joelho na aterrissagem unipodal após a intervenção de um programa de treinamento neuromuscular. Métodos: Participaram do estudo 18 mulheres com idade entre 18 e 51 anos, que foram distribuídas em dois grupos: grupo de treinamento neuromuscular de oito semanas (GTN) (n = 11) e grupo controle (GC) (n = 7). Além disso, não apresentavam lesão musculoesquelética ou dores nos membros inferiores. Cada participante realizou cinco aterrissagens unipodais válidas de uma plataforma de 40 cm de altura. O processo de captura de movimento foi realizado com 12 câmeras infravermelho do sistema OptiTrack(tm) para obter as coordenadas tridimensionais de marcadores fixados nos pontos anatômicos de interesse. Os sistemas de coordenadas locais da coxa e da perna foram definidos por meio dos respectivos marcadores fixados nos pontos anatômicos. Dessa forma, foram calculados os ângulos de rotação do joelho nos planos sagital, frontal e transverso através das sequências dos ângulos de Euler e as velocidades angulares através das formulações dos quatérnions. Resultados: Os resultados mostraram que houve um aumento na velocidade de rotação do joelho após o treinamento neuromuscular. Conclusão: Conclui-se que o treinamento neuromuscular resultou em maior velocidade de rotação no joelho nos 40 milissegundos que sucedem a aterrissagem unipodal.
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Moura FA, Santana JE, Vieira NA, Santiago PRP, Cunha SA. Analysis of Soccer Players' Positional Variability During the 2012 UEFA European Championship: A Case Study. J Hum Kinet 2015; 47:225-36. [PMID: 26557206 PMCID: PMC4633258 DOI: 10.1515/hukin-2015-0078] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The purpose of this study was to analyse players’ positional variability during the 2012 UEFA European Championship by applying principal component analysis (PCA) to data gathered from heat maps posted on the UEFA website. We analysed the teams that reached the finals and semi-finals of the competition. The players’ 2D coordinates from each match were obtained by applying an image-processing algorithm to the heat maps. With all the players’ 2D coordinates for each match, we applied PCA to identify the directions of greatest variability. Then, two orthogonal segments were centred on each player’s mean position for all matches. The segments’ directions were driven by the eigenvectors of the PCA, and the length of each segment was defined as one standard deviation around the mean. Finally, an ellipse was circumscribed around both segments. To represent player variability, segment lengths and elliptical areas were analysed. The results demonstrate that Portugal exhibited the lowest variability, followed by Germany, Spain and Italy. Additionally, a graphical representation of every player’s ellipse provided insight into the teams’ organisational features throughout the competition. The presented study provides important information regarding soccer teams’ tactical strategy in high-level championships that allows coaches to better control team organisation on the pitch.
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Affiliation(s)
- Felipe Arruda Moura
- Laboratory of Applied Biomechanics, Sport Sciences Department, State University of Londrina, Londrina, Brazil
| | - Juliana Exel Santana
- Laboratory of Instrumentation for Biomechanics, College of Physical Education, University of Campinas, Campinas, Brazil
| | - Nathália Arnosti Vieira
- Laboratory of Instrumentation for Biomechanics, College of Physical Education, University of Campinas, Campinas, Brazil
| | - Paulo Roberto Pereira Santiago
- Biomechanics and Motor Control Laboratory, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Sergio Augusto Cunha
- Laboratory of Instrumentation for Biomechanics, College of Physical Education, University of Campinas, Campinas, Brazil
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Ricci FPFM, Santiago PRP, Zampar AC, Pinola LN, Fonseca MDCR. Upper extremity coordination strategies depending on task demand during a basic daily activity. Gait Posture 2015; 42:472-8. [PMID: 26282047 DOI: 10.1016/j.gaitpost.2015.07.061] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 07/23/2015] [Accepted: 07/24/2015] [Indexed: 02/02/2023]
Abstract
Injury conditions affecting the upper extremity may lead to severe functional impairment and an accurate evaluation is needed in order to select the most effective treatment in a rehabilitation program. This study focused on simultaneous electromyographic and kinematic analysis to assess movement patterns of upper extremity during a basic daily activity, considering different demands existing within the task. Twenty-five healthy subjects, average age 19.8 ys SD 1.7 ys, with no upper extremity impairment, were assessed by means of electromyography (EMG) and a 3D motion capture system while performing a task that required reach, transport and release. Integrated EMG (iEMG), timing of muscle onset and active range of motion (AROM) were calculated for each subject. Data were compared within each phase and between the three phases and a repeated measure ANOVA was used for statistical analysis. We found early activation of upper trapezius associated with high activity of serratus anterior for proximal stability while anterior deltoid and triceps brachii performed shoulder flexion and elbow extension, in Reach phase. In Transport phase there was early and higher activation of upper trapezius, higher muscle activity of almost all muscles and increased AROM of all joints. No change in flexion/extension wrist posture with increased forearm muscles activity were identified as the main control strategy to keep optimal grasping. Triceps brachii was found to act as an important synergist in shoulder abduction and extension in free load conditions. Such information can lead clinicians to more specific assessment and subsequent better intervention in upper extremity rehabilitation.
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Affiliation(s)
- Flávia Pessoni F M Ricci
- Department of Biomechanics, Medicine and Rehabilitation of the Locomotor Apparatus, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes, Av. 3900, Ribeirão Preto 14049-900, SP, Brazil.
| | - Paulo Roberto Pereira Santiago
- Laboratory of Biomechanics and Motor Control, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Bandeirantes, Av. 3900, Ribeirão Preto 14049-900, SP, Brazil.
| | - Ana Carolina Zampar
- Department of Biomechanics, Medicine and Rehabilitation of the Locomotor Apparatus, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes, Av. 3900, Ribeirão Preto 14049-900, SP, Brazil.
| | - Lívia Nahas Pinola
- Department of Biomechanics, Medicine and Rehabilitation of the Locomotor Apparatus, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes, Av. 3900, Ribeirão Preto 14049-900, SP, Brazil.
| | - Marisa de Cássia Registro Fonseca
- Department of Biomechanics, Medicine and Rehabilitation of the Locomotor Apparatus, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes, Av. 3900, Ribeirão Preto 14049-900, SP, Brazil.
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Thomaz de Aquino R, Marques RR, Gonçalves LGC, Vieira LHP, Bedo BLDS, De Moraes C, Menezes RP, Santiago PRP, Puggina EF. Proposta de sistematização de ensino do futebol baseada em jogos: desenvolvimento do conhecimento tático em jogadores com 10 e 11 anos de idade. Motricidade 2015. [DOI: 10.6063/motricidade.11(3).3724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Abstract
The aim of this study was to analyse the characteristics of the asymmetries in the dominant and non-dominant limbs when kicking stationary and rolling balls. Ten experienced Brazilian amateur futsal players participated in this study. Each participant performed kicks under two conditions (stationary ball vs. rolling ball) with the dominant and non-dominant limbs (five kicks per condition per limb). We analysed the kicking accuracy, ball and foot velocities, angular joint displacement and velocity. The asymmetry between the dominant and non-dominant limbs was analysed by symmetry index and two-way repeated measures ANOVA. The results did not reveal any interaction between the condition and limb for ball velocity, foot velocity and accuracy. However, kicking with the dominant limb in both kicks showed higher ball velocity (stationary ball: dominant - 24.27 ± 2.21 m · s(-1) and non-dominant - 21.62 ± 2.26 m · s(-1); rolling ball: dominant - 23.88 ± 2.71 m · s(-1) and non-dominant - 21.42 ± 2.25 m · s(-1)), foot velocity (stationary ball: dominant - 17.61 ± 1.87 m · s(-1) and non-dominant - 15.58 ± 2.69 m · s(-1); rolling ball: dominant - 17.25 ± 2.26 m · s(-1) and non-dominant - 14.77 ± 2.35 m · s(-1)) and accuracy (stationary ball: dominant - 1.17 ± 0.84 m and non-dominant - 1.56 ± 1.30 m; rolling ball: dominant - 1.31 ± 0.91 m and non-dominant - 1.97 ± 1.44 m). In addition, the angular joint adjustments were dependent on the limb in both kicks (the kicks with non-dominant limb showed lower hip external rotation than the kicks with the dominant limb), indicating that the hip joint is important in kick performance. In conclusion, the kicks with the non-dominant limb showed different angular adjustments in comparison to kicks with the dominant limb. In addition, kicking a rolling ball with the non-dominant limb showed higher asymmetry for accuracy, indicating that complex kicks are more asymmetric.
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Affiliation(s)
- Fabio Augusto Barbieri
- a Laboratory of Information, Vision and Action , Univ. Estadual Paulista , Bauru , SP , Brazil
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Milioni F, Barbieri RA, Da Silva ASR, Santiago PRP, Mendes ODC, Papoti M. AVALIAÇÃO DE PARÂMETROS DE TREINAMENTO PROVENIENTES DE TESTE INDIRETO EM ATLETAS DE FUTSAL SUB20 E ADULTO. R P P 2013. [DOI: 10.5216/rpp.v16i4.22175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Lobato DFM, Baldon RDM, Wun PYL, Santiago PRP, Serrão FV. Effects of the use of oral contraceptives on hip and knee kinematics in healthy women during anterior stair descent. Knee Surg Sports Traumatol Arthrosc 2013; 21:2823-30. [PMID: 23108708 DOI: 10.1007/s00167-012-2248-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Accepted: 10/09/2012] [Indexed: 11/25/2022]
Abstract
PURPOSE Our aim was to evaluate the effects of the use of oral contraceptives (OC) on the hip and knee kinematics of healthy women during anterior stair descent. METHODS Forty volunteers aged from 18 to 26 years were divided into two groups: 1-Group of women who had used OC for at least 3 months prior to evaluation (n = 20) and 2-Group of women who did not use OC (n = 20). The knee flexion/extension and abduction/adduction, hip flexion/extension, abduction/adduction and medial/lateral rotation excursions (degrees) were calculated for the dominant (supporting) limb during anterior stair descent. T tests for independent samples were used to compare the kinematic differences between the groups (α = 0.05). RESULTS No significant difference was verified between the groups regarding the maximum excursion of knee flexion (n.s.) and abduction (n.s.) or hip flexion (n.s.), adduction (n.s.) and medial rotation (n.s.). When considering the knee flexion at 50°, no significant difference was verified between the groups regarding the excursion of knee abduction (n.s.) or hip flexion (n.s.) adduction (n.s.) and medial/lateral rotation (n.s.). CONCLUSION These results suggest that the use of OC does not influence the hip and knee kinematics during anterior stair descent. Therefore, the role of this medication as a protective factor against anterior cruciate ligament injuries remains questionable.
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Andrade VLD, Kalva-Filho CA, Zagatto AM, Kaminagakura EI, Papoti M, Santiago PRP. Influência da aptidão aeróbia no running anaerobic sprint test (RAST). Motriz: rev educ fis 2013. [DOI: 10.1590/s1980-65742013000700002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
O objetivo do estudo foi verificar a possível influência de diferentes níveis de aptidão aeróbia (VO2MAX) sobre os parâmetros do running anaerobic sprint test (RAST). Para isso, 38 indivíduos (Idade = 18,1±2,5 anos, Estatura = 173±1 cm e Massa corporal = 65,1±6,5 kg) foram classificados em dois grupos, baixa e elevada aptidão aeróbias (GBA: n=22 e GEA: n=16). O VO2MAX foi determinado por um esforço incremental em esteira rolante até a exaustão voluntária. O RAST foi composto de seis esforços máximos de 35m separados por 10s de intervalo passivo. O VO2MAX foi significativamente diferente entre os grupos (GBA = 51,7±1,9 mL.kg-1.min-1; GEA = 58,6±3,1 mL.kg-1.min-1). A potência média (PM) foi significativamente superior no grupo GBA (552,7±132,1 W) em relação ao grupo GEA (463,6±132,8 W). O impulso (ImP) foi significativamente correlacionado com o VO2MAX no GEA. Pode-se concluir que há um indicativo que o metabolismo aeróbio exerce uma influência na realização do RAST.
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dos Santos AN, Pavão SL, Santiago PRP, Salvini TDF, Rocha NACF. Sit-to-stand movement in children with hemiplegic cerebral palsy: relationship with knee extensor torque and social participation. Res Dev Disabil 2013; 34:2023-2032. [PMID: 23584182 DOI: 10.1016/j.ridd.2013.03.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 03/17/2013] [Accepted: 03/17/2013] [Indexed: 06/02/2023]
Abstract
This study aimed to investigate the relationship between sit-to-stand (STS) movement, knee extensor torque and social participation in children with cerebral palsy (CP). Seven spastic hemiplegic CP patients (8.0 ± 2.2 years), classified by the Gross Motor Function Classification System as I and II, and 18 typical children (8.4 ± 2.3 years) participated in this study. Trunk, hips, knees, and ankles angles and temporal variables of STS movement were obtained by means of kinematics evaluation. Isokinetic evaluation was performed at 60°/s in the concentric passive mode to measure knee extensors torque. Social participation was assessed by the Assessment of Life Habits for Children (LIFE-H) scale. Results showed that children with spastic hemiplegic CP have lower knee extensor torque in the affected limb and restriction in social participation in dimensions related with fine motor control and language skills when compared to their typical peers. Except for ankle excursion in frontal plane, and ankle excursion and range in transverse plane, patients were similar to typical children regarding the strategies adopted to perform the STS movement, as well as in the participation dimensions related with gross motor function. Moreover, we found a significant non-linear correlation between knee extensors torque and some lower limb and trunk angles for children with CP. Therefore, during evaluation and rehabilitation processes, impairments in body functions and structures should be related with how much they affect a child's ability to perform functional activities, so rehabilitation protocols could be focused on individual needs.
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Affiliation(s)
- Adriana Neves dos Santos
- Department of Physiotherapy, Universidade Federal de São Carlos, Rod. Washington Luis, km 235, 13565-905 São Carlos, SP, Brazil.
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Baldon RDM, Lobato DFM, Carvalho LP, Wun PYL, Santiago PRP, Serrão FV. Effect of functional stabilization training on lower limb biomechanics in women. Med Sci Sports Exerc 2012; 44:135-45. [PMID: 21705921 DOI: 10.1249/mss.0b013e31822a51bb] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PURPOSE This study aimed to verify the effects of functional stabilization training on lower limb kinematics, functional performance, and eccentric hip and knee torques. METHODS Twenty-eight women were divided into a training group (TG; n = 14), which carried out the functional stabilization training during 8 wk, and a control group (CG; n = 14), which carried out no physical training. The kinematic assessment of the lower limb was performed during a single-leg squat, and the functional performance was evaluated by way of the single-leg triple hop and the timed 6-m single-leg hop tests. The eccentric hip abductor, adductor, lateral rotator, medial rotator, and the knee flexor and extensor torques were measured using an isokinetic dynamometer. RESULTS After 8 wk, the TG significantly reduced the values for knee abduction (from -6.86° to 1.49°), pelvis depression (from -10.21° to -7.86°) and femur adduction (from 7.08° to 5.19°) as well as increasing the excursion of femur lateral rotation (from -0.55° to -3.67°). Similarly, the TG significantly increased the values of single-leg triple hop (from 3.52 to 3.92 m) and significantly decreased the values of timed 6-m single-leg hop tests (from 2.43 to 2.14 s). Finally, the TG significantly increased the eccentric hip abductor (from 1.31 to 1.45 N · m · kg(-1)), hip lateral rotator (from 0.75 to 0.91 N · m · kg(-1)), hip medial rotator (from 1.45 to 1.66 N · m · kg(-1)), knee flexor (from 1.43 to 1.55 N · m · kg(-1)), and knee extensor (from 3.46 to 4.40 N · m · kg(-1)) torques. CONCLUSIONS Strengthening of the hip abductor and lateral rotator muscles associated with functional training improves dynamic lower limb alignment and increases the strength and functional performance.
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Cesar GM, Pereira VS, Santiago PRP, Benze BG, da Costa PHL, Amorim CF, Serrão FV. Variations in dynamic knee valgus and gluteus medius onset timing in non-athletic females related to hormonal changes during the menstrual cycle. Knee 2011; 18:224-30. [PMID: 20719520 DOI: 10.1016/j.knee.2010.05.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2009] [Revised: 05/05/2010] [Accepted: 05/05/2010] [Indexed: 02/02/2023]
Abstract
It has been suggested that activities of daily living could contribute to the occurrence of ACL injury in females. Currently, no studies have focused on the lower extremity behavior of a non-athletic population to compare or understand the lower extremity adeptness towards daily movements that mimic athletic tasks. Our hypothesis was that increased knee valgus angles would occur during the late follicular phase of the menstrual cycle accompanied by different onset timing of the gluteus medius muscle. In a controlled laboratory study, 23 non-athletic collegiate females participated and 15 subjects comprised the final sample for statistical analysis. Subjects performed a single leg drop landing maneuver while 3-D knee kinematics and gluteus medius muscle onset timing were assessed throughout three distinct phases of the menstrual cycle, confirmed by blood hormone analysis. In general, knee valgus angles were significantly less in the luteal phase compared to both follicular phases (p<0.005), while differences were not observed for gluteus medius onset timing (p=0.936). As a decreased knee joint valgus angle was observed during the luteal phase, it was hypothesized that the hormone progesterone could significantly influence knee kinematics during a dynamic task. However, such influence was not observed for gluteus medius EMG onset timing as a significant correlation between gluteus medius onset timing and knee valgus angle could not be determined.
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Affiliation(s)
- Guilherme Manna Cesar
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil.
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