scholarly journals Preseason Dynamic Balance Performance in Healthy Elite Male Soccer Players

2019 ◽  
Vol 13 (1) ◽  
pp. 155798831983192 ◽  
Author(s):  
Roxana-Ramona Onofrei ◽  
Elena Amaricai ◽  
Radu Petroman ◽  
Dan Surducan ◽  
Oana Suciu
Keyword(s):  
At Risk ◽  
Lower Limb ◽  
Dynamic Balance ◽  
Soccer Players ◽  
Balance Performance ◽  
Balance Test ◽  
Limb Injuries ◽  
Physical Examinations ◽  
Control Dynamic ◽  
Composite Scores

Lower limb musculoskeletal injuries in sports are linked with balance abnormalities and altered postural control. Dynamic balance screening should be performed in order to identify athletes at risk. The purpose of the study was to evaluate the preseason dynamic balance performance and side-to-side asymmetry of healthy elite male soccer players, using modified Star Excursion Balance Test (mSEBT). Seventy-three elite soccer players (23.8 ± 5.4 years) were evaluated using the mSEBT. Normalized reach distances, side-to-side asymmetries, and composite scores were determined. The composite scores were 93.33% ± 8.99% for dominant leg and 93.36% ± 9.23% for nondominant leg. No significant differences were found between dominant and nondominant limb in any direction. The mSEBT is an easy-to-use tool to measure the dynamic balance performance in elite athletes. It can be applied successfully during preseason physical examinations. Future studies are needed to establish predictive cutoff points in order to increase mSEBT use in screening soccer players for dynamic balance abnormalities and identify those at risk for noncontact lower limb injuries.

Single-Leg Balance Performance in Sub-Elite Young Soccer Players and Swimmers as a Function of Age and Sports Experience

2019 ◽  
Vol 7 (3) ◽  
pp. 374-388 ◽  
Author(s):  
Peter Leinen ◽  
Thomas Muehlbauer ◽  
Stefan Panzer
Keyword(s):  
Center Of Pressure ◽  
Dynamic Balance ◽  
Age Groups ◽  
Force Plate ◽  
Soccer Players ◽  
Functional Specialization ◽  
Balance Performance ◽  
Balance Test ◽  
Balance Task ◽  
Anterior Posterior

The present study investigated if accumulated, advanced, regular soccer practice (balance-demanding exercise) compared to regular swim practice (non-balance–demanding exercise) induces a more pronounced functional specialization in postural control. Therefore, single-leg balance performance in sub-elite young soccer players (under 13 [U13]: n = 16; U15: n = 18; U19: n = 15), and sub-elite young swimmers (U13: n = 7; U15: n = 4; U19: n = 5) was tested in different balance task conditions (i.e., static and dynamic balance on firm and foam surface). All athletes practiced 3–10 times per week. Single-leg balance of the dominant and non-dominant leg was measured using a force plate. The standard deviation of the center of pressure displacements in anterior-posterior and medio-lateral directions were used as dependent variables. Irrespective of age groups and type of sport, the results failed to indicate significant leg differences in single-leg balance performance. The soccer players showed significant better single-leg balance performance in anterior-posterior direction in the dynamic balance test on the firm and foam surface compared to the swimmers. Functional specialization was accompanied by the type of sport but not by accumulated practice.

scholarly journals Differences in Soccer Players' Dynamic Balance Across Levels of Competition

2012 ◽  
Vol 47 (6) ◽  
pp. 616-620 ◽  
Author(s):  
Robert J. Butler ◽  
Corey Southers ◽  
Paul P. Gorman ◽  
Kyle B. Kiesel ◽  
Phillip J. Plisky
Keyword(s):  
High School ◽  
Dynamic Balance ◽  
The Other ◽  
Soccer Players ◽  
Normative Values ◽  
Balance Performance ◽  
Balance Test ◽  
Professional Soccer ◽  
Competition Level ◽  
Male High School

Context Balance ability has been associated with performance and injury prevention in athletes. Few published reports have investigated the differences in dynamic balance abilities among male high school, collegiate, and professional soccer players. Objective To examine the differences on the Lower Quarter Y-Balance Test in male high school, collegiate, and professional soccer players. Design Descriptive laboratory study. Setting Field testing. Patients or Other Participants Dynamic balance data were collected for male high school (HS; n = 38), collegiate (n = 37), and professional (n = 44) soccer players during preparticipation physical examinations using the Lower Quarter Y Balance Test standardized protocol. Main Outcome Measure(s) For the Lower Quarter Y Balance Test, the participant reaches with 1 foot in the anterior, posteromedial, and posterolateral directions while standing on a centralized stance platform with the other foot. The test is performed for both left and right limbs. Differences in reach distances between competition levels were analyzed using a 1-way analysis of variance with significance set at P < .05. The HS group had a greater anterior reach distance than the other 2 groups. In contrast, the HS group had less reach distance in the posteromedial and posterolateral directions than the other groups. Also, HS players tended to exhibit a lower composite reach score than the other groups, but this difference was not significant (P = .08). No differences were observed among groups for bilateral symmetry in any of the reach directions. Conclusions Dynamic balance performance varied with competition level. This may indicate that athletes' movement strategies may be different depending on the competition level and that normative values may need to be established for each competition level.

scholarly journals Dynamic balance performance of professional turkish soccer players by playing position

2019 ◽  
Vol 23 (5) ◽  
pp. 223-228
Author(s):  
B.A. Ateş
Keyword(s):  
Balance Control ◽  
Dynamic Balance ◽  
Soccer Players ◽  
Balance Performance ◽  
Balance Test ◽  
Future Studies ◽  
Professional Soccer ◽  
Anthropometric Characteristics ◽  
Player Positions

Background and Study Aim: Balance control has been regarded as a crucial factor in sports and indicated as an important element to be examined for the risks of injury. But it is unknown whether the dynamic balance changes according to the player positions in professional soccer players. To determine whether there were differences in the dynamic balance performance of the different positions of Turkish professional soccer players from within one squad. Material and Methods: Twenty-four professional soccer players were divided into 4 groups by the coach, including goalkeepers (n = 3), midfielders (n = 6), defenders (n = 7) and forwards (n = 8). Prior the competition season, anthropometric characteristics of players were measured. Then, players were tested Y Balance Test (YBT) for the anterior (ANT), posteromedial (PM), and posterolateral (PL) reach distances and limb lengths bilaterally. Results: The goalkeepers were heavier compared with the midfielders. Furthermore, the BMI of the goalkeepers were higher than midfielders and defenders (p< 0.05). There were no significant differences in the ANT, PM, PL, and COMP score between the groups (p> 0.05). The values for reach asymmetry were lower than four centimeters among groups in the all reach direction with regards to reach asymmetries, except normalized posterolateral direction. Conclusions: The results of this study have shown that the YBT performance scores do not differ between the groups. Future studies are required to create specific norms related to dynamic balance performance and establish risk cut-off score for professional soccer players.

scholarly journals Discriminative validity of the lower and upper quarter Y balance test performance: a comparison between healthy trained and untrained youth

2020 ◽  
Vol 12 (1) ◽  
Author(s):  
Gerrit Schwiertz ◽  
Rainer Beurskens ◽  
Thomas Muehlbauer
Keyword(s):  
Test Performance ◽  
Dynamic Balance ◽  
Characteristic Curve ◽  
Area Under The Curve ◽  
Receiver Operator Characteristic Curve ◽  
Soccer Players ◽  
Balance Test ◽  
Discriminative Validity ◽  
Youth Athletes ◽  
Male Subjects

Abstract Background The Lower (YBT-LQ) and Upper (YBT-UQ) Quarter Y Balance Test have been widely used for the assessment of dynamic balance and shoulder mobility/stability, respectively. However, investigations on the validity of the two tests in youth are lacking. Therefore, we performed two studies to determine discriminative validity of the YBT-LQ (study 1) and the YBT-UQ (study 2) in healthy youth. Methods Sixty-nine male soccer players (age: 14.4 ± 1.9 yrs) and 69 age-matched untrained male subjects (14.3 ± 1.6 yrs) participated in study 1 and 37 young swimmers (age: 12.3 ± 2.1 yrs) as well as 37 age−/sex-matched individuals (age: 12.5 ± 2.0 yrs) took part in study 2. Absolute (cm) and relative (% leg/arm length) maximal reach distances per reach direction and the composite score of the YBT-LQ/UQ were used as outcome measures. One-way analysis of variance and the receiver operator characteristic curve analysis (i.e., calculating the area under the curve [AUC]) were conducted to assess discriminative validity. Results Concerning the relative values, youth athletes showed significantly better YBT-LQ (study 1: p < 0.001, d = 0.86–1.21) and YBT-UQ (study 2: p < 0.001, d = 0.88–1.48) test performances compared to age- and sex-matched untrained subjects. Further, AUC-values indicated a chance of ≥74% (YBT-LQ) and ≥ 71% (YBT-UQ) to discriminate between youth athletes and controls. These findings were confirmed when using the absolute data for analysis. Conclusions According to our results, the YBT-LQ and the YBT-UQ seem to be useful test instruments to discriminate trained and untrained healthy youth performance for dynamic balance and shoulder mobility/stability, respectively.

scholarly journals Star Excursion Balance Test (SEBT): Comparison of Results with and without Neuromuscular Ankle Bandage

2018 ◽  
Vol 1 (4) ◽  
pp. 4-13 ◽  
Author(s):  
Alvaro Zamorano ◽  
Jair Burboa ◽  
Diego Cuzmar ◽  
Jose Hun ◽  
Guillermo Robles ◽  
...  
Keyword(s):  
Postural Stability ◽  
Dynamic Balance ◽  
Crossover Design ◽  
The Other ◽  
Soccer Players ◽  
Balance Test ◽  
National Team ◽  
Kinesio Taping ◽  
Professional Soccer ◽  
Star Excursion Balance Test

Study Design: Prospective study, simple crossover design. Background: Proprioception is a cornerstone for maintaining joint and postural stability. Dynamic stability is particularly emphasized within these components. This feature is important in the rehabilitation field. Therefore, the quest for elements to improve these values ​​can bring advantages in sports. Objectives: Evaluate if there are advantages in the performance of a Star Excursion Balance Test (SEBT) using Kinesio taping. Methods: We evaluated 10 professional soccer players from the Chilean women’s national team. They were randomly divided into 2 groups. One group had Kinesio taping and their SEBT performance was evaluated. The other group performed the measurements without the use of Kinesio Taping. Afterward, each group performed the evaluation they did not do during the first stage. We then compared the performance achieved with and without the use of Kinesio Taping Results: There were significant differences in the performance achieved by the players who had the SEBT bandage applied in comparison to the players that did no. This was confirmed by using the non-parametric Wilcox test for each of the SEBT positions. Conclusions: Kinesio taping has positive implications in the SEBT. We can extrapolate that its use can improve the dynamic balance and thus become an important pillar in sports rehabilitation.

scholarly journals Examination of Some Physical Fitness and Motor Skill Parameters of Pre-Adolescents and Adolescents

2018 ◽  
Vol 6 (9) ◽  
pp. 113
Author(s):  
Fatma Arslan
Keyword(s):  
Physical Fitness ◽  
Motor Skills ◽  
Dynamic Equilibrium ◽  
Dynamic Balance ◽  
Primary School Children ◽  
Balance Performance ◽  
Balance Test ◽  
Explosive Strength ◽  
And Performance ◽  
5Th Grade

The aim of this study was to analyze the importance of some physical fitness and motor skills for children between 11-13 years at elementary school. A total of 114 primary school children participated as volunteers with a means age of 10.80 ± 0,40 for 5th grade and 12.83 ± 0,38 for 7th grade.In this study, some motor tests were used to detect differences between pre-adolescence and adolescence on male and female. These tests were respectively: for dynamic balance “The Star excursion balance test”, for the agility “T-test”, “V sit and reach” for flexibility test and for explosive strength a “20 m run (0.1s)”. Besides, physical fitness features were taken as height, weight, body mass index (BMI) and waist-hip ratio (WHR).The results of the flexibility showed that the female children had better performances in the 5th grade than those in the 7th grade children (p<0,005). In addition, it was determined that the dynamic balance performance values of the 7th grade female and male children were better than the 5th grade(p<0,005). There were significant differences in agility and explosive strength between the 7th grade female and male children(p<0,005). It was observed that there was an increase in agility, speed and dynamic equilibrium performance data especially from the age of 11 in parallel with growth and development. Especially from this period, it was thought that it was possible to develop motor skills and performance parameters with some sports applications and training.

scholarly journals Hip Flexibility and Dynamic Balance Ability in Soccer Players with Functional Ankle Instability

Trauma Care ◽  
2021 ◽  
Vol 1 (3) ◽  
pp. 206-214
Author(s):  
Akihiro Tamura ◽  
Keita Shimura ◽  
Yuri Inoue
Keyword(s):  
Ankle Instability ◽  
Dynamic Balance ◽  
Soccer Players ◽  
Future Research ◽  
Functional Ankle Instability ◽  
Balance Test ◽  
Hip Range Of Motion ◽  
Balance Ability ◽  
Hip Internal Rotation ◽  
Control Study

The prevention of recurrent ankle sprain and functional ankle instability in soccer players is essential. This study clarified hip joint mobility and dynamic balance ability in soccer players with functional ankle instability. This case–control study included 17 male college soccer players. All participants were assessed using the Cumberland Ankle Instability Tool and were divided into chronic ankle instability (CAI) and non-CAI groups for each of their dominant and nondominant legs. Bilateral passive hip range of motion (ROM) was assessed and the modified Star Excursion Balance Test (mSEBT) was measured for each leg. In the dominant leg, the reach in the posterolateral direction in the CAI group was significantly less than that in the non-CAI group. Hip internal rotation angles in the dominant leg in the CAI group were greater than those in the non-CAI group; however, no significant correlations with the three directions of mSEBT were observed. In the nondominant leg, mSEBT and hip ROMs did not show any significant differences between groups. The dominant leg in soccer players with CAI had poor dynamic balance ability while reaching posterolaterally. However, acquiring hip flexibility may not be necessary to improve the dynamic balance ability. These findings may help develop future research.

scholarly journals Dynamic Balance in Athletes With Intellectual Disability: Effect of Dynamic Stretching and Plyometric Warm-Ups

2020 ◽  
pp. 1-7
Author(s):  
Ghada Jouira ◽  
Selim Srihi ◽  
Fatma Ben Waer ◽  
Haithem Rebai ◽  
Sonia Sahli
Keyword(s):  
Intellectual Disability ◽  
Repeated Measures ◽  
Dynamic Balance ◽  
Preventive Measure ◽  
Composite Score ◽  
Balance Test ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Significant Difference ◽  
Composite Scores

Context: Athletes with intellectual disability (ID) have a high risk of injury while participating in various sports. Warm-up (WU) is the most preventive measure to reduce injuries in sports. Objective: To investigate the effects of dynamic stretching WU (DS-WU) and plyometric WU (PL-WU) on dynamic balance in athletes with ID. Design: Crossover study. Setting: Research laboratory. Participants: A total of 12 athletes with ID (age 24.5 [3.22] y, height 165.7 [8.4] cm, weight 61.5 [7.1] kg, intelligence quotient 61.1 [3.5]). Main Outcome Measures: Dynamic balance was assessed using the Star Excursion Balance Test (SEBT) at pre-WU, post-WU, and 15 minutes post-WU for both the DS-WU and the PL-WU. A 2-way analysis of variance (3 sessions × 2 WU methods) with repeated-measures was used in this study. Results: Following the DS-WU, participants demonstrated significant improvements in the SEBT composite score post-WU (89.12% [5.54%] vs 87.04% [5.35%]; P < .01) and at 15 minutes post-WU (89.55% [5.28%] vs 87.04%, P < .01) compared with pre-WU. However, no significant difference between these two post-WU scores (post-WU and 15 min post-WU) was found. For the PL-WU, participants demonstrated a significant decrease in the SEBT composite score at post-WU (85.95% [5.49%] vs 87.02% [5.73%]; P < .05); however, these scores increased significantly at 15 minutes post-WU (88.60% [5.42%] vs 87.02% [5.49%]; P < .05) compared with that at pre-WU. The SEBT composite scores are significantly higher in the DS-WU than in the PL-WU at both post-WU sessions (P < .05). Conclusion: Both DS-WU and PL-WU could improve dynamic balance and may be recommended as WUs in athletes with ID; however, particular caution should be exercised immediately after the PL-WU.

Comparison of Immediate Effects of Foam Rolling and Dynamic Stretching to Only Dynamic Stretching on Flexibility, Balance, and Agility in Male Soccer Players

2021 ◽  
pp. 1-7
Author(s):  
Erhan Seçer ◽  
Derya Özer Kaya
Keyword(s):  
Injury Risk ◽  
Dynamic Balance ◽  
Percentage Change ◽  
Soccer Players ◽  
Combined Effects ◽  
Balance Test ◽  
Warm Up ◽  
Dynamic Stretching ◽  
Foam Rolling ◽  
And Performance

Context: Dynamic stretching (DS) is typically suggested during warm-up protocols. Also, foam rolling (FR), which is applied with a foam cylinder, has increased popularity in recent years. However, the combined effects of DS and FR in improving flexibility, dynamic balance, and agility performance are unclear in current literature. Therefore, this study aim to evaluate and compare the acute effects of DS as well as DS followed by FR (DS + FR) on flexibility, dynamic balance, and agility in male soccer players. Design: This study was a crossover study with a within-subject design. Methods: Thirty volunteer male soccer players (mean age 18.80 [0.66] y) were included in the study. Each participant performed the 2 sessions (DS and DS + FR) on separate occasions in a randomized order, with an interval of 72 hours. All sessions were performed in the indoor gym at the sports club. Flexibility was assessed by sit-and-reach test, dynamic balance was assessed by Y balance test, and agility was assessed by t test. Results: Compared with the pretest results, significant improvement in flexibility was observed in both groups (change = 0.55, percentage change = 2.05, effect size [ES] = 0.15, P = .041; change = 0.64, percentage change = 2.36, ES = 0.20, P = .025; respectively). Balance scores did not significantly improve in either group (change = 0.40, percentage change = 0.45, ES = 0.09, P = .342; change = 0.93, percentage change = 1.02, ES = 0.23, P = .103; respectively). Agility performance significantly improved in both groups (change = −0.12, percentage change = −1.18, ES = 0.19, P = .021; change = −0.21, percentage change = −2.18, ES = 0.38, P = .005; respectively). Conclusions: Both DS and DS + FR improved flexibility and agility and did not affect balance. DS + FR was not superior to DS at improving flexibility and agility as compared only with DS. Both methods are effective warm-up protocols to augment factors related to injury risk and performance. It seems that further studies that investigate the combined effects of FR and DS are needed.

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