scholarly journals The influence of the external ankle support on the dynamic balance in volleyball athletes

2015 ◽  
Vol 21 (3) ◽  
pp. 274-280
Author(s):  
Manuela Azevedo Correia de Lima ◽  
Germanna de Medeiros Barbosa ◽  
Joseanne Daniele Cezar Ribeiro ◽  
José Jamacy de Almeida Ferreira ◽  
Palloma Rodrigues de Andrade ◽  
...  

AbstractThe purpose of this study was to assess the effect of ankle external supports on proprioception and dynamic balance in volleyball players. Seventeen female volleyball players (18.94±2.49 years; 65.45±9.49 kg; 1.71±0.05 m; BMI=22.0±2.67 kg/m²) took part in this study. The dynamic balance was assessed through the Star Excursion Balance Test (SEBT). Comparisons between stabilization (no stabilizer/NS, orthosis/ORT and functional bandaging/FB) modes and the SEBT grid lines and inter-limb were carried out. The SEBT assessment showed a significant difference between the groups NS x ORT and NS x FB (p < .01), and between the lines (p< .01). Significant line/limb interaction in DL and NDL (p< .01) was detected. The external supports tested herein showed similar effects on balance, restricting lower limb's reach in the SEBT execution in some of tested directions.

2021 ◽  
Vol 11 (10) ◽  
pp. 34-40
Author(s):  
Nirbhay Shah ◽  
Anagha Palkar

Background and Aims: Genu Varum is an angular deformity of the knee that is responsible for the alteration of the forces at the knee so that the line of force shifts farther medially from the knee joint centre intensifying the medial compartment load and creating a medial joint reaction force that is nearly three and a half times that of the lateral compartment. Football is a high intensity sport that places inordinate amounts of load and torque on the knee joint making it more susceptible to growth deformities in the developing age groups. Genu varum is a predisposing factor to lateral instability which affects dynamic balance. This study consists of a comparison in dynamic balance between professional football players, those without a knee deformity and those with genu varum deformity using the Star excursion balance test. Methodology: A comparative study was conducted among 40 elite level football players and they were divided into two groups one of which consisted football players without a knee deformity and the other group which comprised of football players with genu varum. Genu varum was calculated using the intercondylar distance measure. Star excursion balance test was used to assess dynamic balance of each individual and their average distances were calculated for each direction in the test. Results: The Reach Distances in the anterior direction showed no significant difference (P>0.05) between the control and Group Bs whereas significant differences (P<0.05) were obtained in the Posteromedial and Posterolateral directions. Conclusion: There was no significant difference in reach distances in the anterior direction but significant differences in the reach distances were observed in the posteromedial as well as the posterolateral direction suggesting that genu varum deformity does affect the dynamic balance in elite level football players. Key words: Genu Varum, Football Players, Dynamic Balance, Star excursion balance test.


2018 ◽  
Vol 43 (1) ◽  
pp. 6-11 ◽  
Author(s):  
Faezeh Abbasi ◽  
Mahmood bahramizadeh ◽  
Mohammad Hadadi

Background: Chronic ankle instability as a prevalent consequence of ankle sprain causes various impairments such as balance and postural control deficits. Foot orthoses are one of the common interventions for rehabilitation of patients with chronic ankle instability. Objectives: To investigate the effect of custom-molded foot orthoses with textured surfaces on dynamic balance of chronic ankle instability patients and to compare their effects with other types of foot orthoses. Study design: This is a repeated measure design. Methods: A total of 30 participants were recruited based on the guideline introduced by the International Ankle Consortium. The effect of prefabricated, custom-molded, and custom-molded with textured surface foot orthoses was evaluated on dynamic balance by the Star Excursion Balance Test. Normalized reach distances in anteromedial, medial, and posteromedial directions of the test were computed to be used for statistical analysis. Results: The foot orthoses increased reach distances compared to the no-orthosis conditions in all three directions. The custom-molded with textured surface foot orthosis has significant differences compared with prefabricated foot orthosis ( p = 0.001) in all measured directions and with custom-molded foot orthosis ( p < 0.01) in medial and posteromedial directions. Conclusion: Foot orthoses improve reach distances in patients with chronic ankle instability. Custom-molded with textured surface foot orthosis has a more pronounced effect compared with other foot orthoses. Clinical relevance The custom-molded foot orthosis with textured surface could be an effective device to improve dynamic balance in chronic ankle instability (CAI) patients. It may be considered as an efficient intervention to reduce ankle sprain recurrence in these individuals, although further research should be conducted.


2021 ◽  
Vol 6 (4) ◽  
pp. 44-55
Author(s):  
Havar Ezadi ◽  
◽  
Narmin Ghanizadeh Hesar ◽  

Objective: The purpose of this study was to investigate the effect of eight weeks of selected exercises in water on pain and balance of nurses with chronic back pain. Methods: This semi-experimental study was carried out on 30 nurses working in Sanandaj city hospitals. Selected exercises in water for eight weeks, three sessions per week, which was carried out progressively and with the practice of central stability exercises on the experimental group. To assess the pain and balance of the patients in the pre and post test tests, both groups used the standard questionnaire of Quebec, FBT test, berg balance test. Independent and dependent t-test was used to analyze the data. The significance level was considered as P<0.05. Results: There was a significant difference between the mean scores of pain and the static and dynamic balance in the experimental and control groups, respectively, with a significant decrease and significant increase in the pain (P=0.001) and static (P=0.001) and dynamic (P=0.001) balance variables in the experimental group. Conclusion: Regarding the effectiveness of selected exercises in water on the pain and balance of nurses with non-specific chronic low back pain, it is recommended to design the training protocols for patients with Special attention should be given to the chronic pain, to the practice of water therapy (and to the importance of taking core stability of the workout in these exercises).


2021 ◽  
Vol 14(63) (1) ◽  
pp. 89-100
Author(s):  
I.S. SOPA ◽  
◽  
M. POMOHACI ◽  

An important skill in today's volleyball game is dynamic and static balance, so our investigation focused on assessing and developing balance at young volleyball players using the Y balance test. The sample was formed by 25 female volleyball players with age between 10.22 ± 2.49 years that were active at the ACS Alpha Sport Team from Sibiu. The results showed improved performances of our players from the initial testing compared with the final testing in all directions of movement, proving that balance skill training can be an important aspect in the modern volleyball game


2018 ◽  
Vol 1 (4) ◽  
pp. 4-13 ◽  
Author(s):  
Alvaro Zamorano ◽  
Jair Burboa ◽  
Diego Cuzmar ◽  
Jose Hun ◽  
Guillermo Robles ◽  
...  

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.


2017 ◽  
Vol 14 (2) ◽  
pp. 1255 ◽  
Author(s):  
Öznur Akyüz

To investigate acutely the effects of different stretching exercises on football players on the basic motoric properties (strength, flexibility, speed, balance and explosive force). 10 volunteer football players with an average age of 17 participated in the study. Three different measurements protocols were used in the study. The first measurement was performed without stretching exercise, the second measurement was performed after the static stretching exercise and the third measurement was performed after the dynamic stretching exercise. All measurements were carried out at Manisa Tarık Almış sports facilities. To determine the performances of volunteers; back strength, leg strength, hand grip strength, flexibility, 20 m. sprint and flamingo balance test. The Repeated Measures ANOVA test and the Bonferroni Test were used using the SPSS 23.0 package program to analyze the relationship between the performance of the study group and performance tests on different days and different protocols. When the three different methods applied to participants were compared; there is a statistically significant difference between sit and reach, speed and balance tests. As a result, there is a positive effect of stretching exercises on flexibility, sprint and dynamic balance skills. ÖzetFutbolcularda farklı germe egzersizlerinin temel motorik özellikler (kuvvet, esneklik, sürat, denge ve patlayıcı kuvvet) üzerine etkilerini akut olarak incelemektir. Çalışmaya yaş ortalamaları 17 olan 10 gönüllü futbolcu katılmıştır. Çalışmada 3 farklı ölçüm protokolü kullanılmıştır. Birinci ölçüm germe egzersizi yapmadan, ikinci ölçüm statik germe egzersizinden sonra ve üçüncü ölçüm dinamik germe egzersizinden sonra gerçekleştirildi. Tüm ölçümler Manisa Tarık Almış Spor Tesislerinde yapılmıştır. Katılımcıların performanslarını belirlemek için sırt kuvveti, bacak kuvveti, el kavrama kuvveti, esneklik, 20 m. sprint, flamingo denge testi uygulanmıştır. Araştırma grubunun farklı günlerde ve farklı germe egzersizlerini takiben uygulanan performans testlerinin aralarındaki ilişkiyi analiz etmek için SPSS 23.0 paket programından, Repeated Measures Testi ve Bonferroni Testi kullanılmıştır. Katılımcılara uygulanan three farklı ölçüm metodu karşılaştırıldığında; otur-eriş, sürat ve denge testleri arasında istatistiksel olarak anlamlı farklılık vardır (p<0.05). Sonuç olarak, germe egzersizlerinin esneklik, sürat ve denge üzerinde olumlu etkisi vardır.


2020 ◽  
pp. 1-7
Author(s):  
Ghada Jouira ◽  
Selim Srihi ◽  
Fatma Ben Waer ◽  
Haithem Rebai ◽  
Sonia Sahli

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.


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