Effects of slackline training on core endurance and dynamic balance (Efectos del entrenamiento en slackline sobre la resistencia del core y el equilibrio dinámico)

Retos ◽  
2021 ◽  
Vol 41 ◽  
pp. 756-763
Author(s):  
Waleska Reyes-Ferrada ◽  
Paula Plaza ◽  
Daniel Jerez-Mayorga ◽  
Luis Chirosa-Rios ◽  
Luis Peñailillo
Keyword(s):  
Dynamic Balance ◽  
Trunk Muscles ◽  
Unstable Condition ◽  
Balance Test ◽  
Star Excursion Balance Test ◽  
Physically Inactive

  Slackline challenges balance by walking on a tensioned strap, where the trunk muscles help to maintain or regain balance. This study aimed to compare a cohort of individuals who regularly practiced slackline and physically inactive individuals on core endurance (CE) and dynamic balance (DB) and to determine whether CE is associated with years of slackline practice. Nine individuals (7 men) who practiced slackline regularly (SG; age= 24.5±3.6 years) and nine physically inactive individuals (7 men) (CG; age= 23.2±3.3 years) were compared. CE was assessed with the McGill battery (trunk flexor, extensor, and side-bridge test) and the plank test. DB was measured with the modified star excursion balance test in stable and unstable conditions. The SG maintained a 36.2% and 45% longer time in left lateral bridge (p=.049) and plank (p=.031), respectively, compared to the CG. The distance achieved in the stable DB test was similar between groups, but in unstable condition was 37.8% greater (p=.016) in SG in both legs and 46.6% greater in the non-dominant leg (p=.039) compared to CG. The SG showed a correlation between years of slackline practice and flexor (r=.674; p=.046), right lateral (r=.765; p=.016) and left (r=.730; p=.026) trunk endurance. In conclusion, those who practice slackline maintain a longer time in the plank and left lateral bridge test and achieve a higher reach distance in unstable DB compared to physically inactive individuals who do not practice slackline. Resumen. El slackline desafía el equilibrio al caminar sobre una cinta en tensión, donde los músculos del tronco ayudan a mantener o recuperar el equilibrio. El objetivo de este estudio fue comparar individuos que practicaban slackline e individuos inactivos fisicamente (IF) en resistencia del core (RC) y equilibrio dinámico (ED), y conocer si la RC se asocia a los años de practica de slackline. Nueve individuos (7 hombres) que practicaban slackline regularmente (GS; edad= 24.5±3.6 años) y nueve individuos IF (7 hombres) (GC; edad= 23.2±3.3 años) fueron comparados. La RC se evaluó con la bateria de McGill (prueba de flexores y extensores de tronco y puente lateral) y la prueba de la plancha. El ED se midió con la prueba de excursión de la estrella modificada en condiciones estables e inestables. El GS mantuvo un tiempo 36.2% y 45% mayor en puente lateral izquierdo (p=.049) y plancha (p=.031) respectivamente comparado con el GC. La distancia alcanzada en la prueba de ED estable fue similar entre grupos, pero en condición inestable fue 37.8% mayor (p=.016) en GS en ambas piernas y 46.6% mayor en la pierna no dominante (p=.039) comparado al GC. El GS mostró una correlación entre años de práctica de slackline y resistencia flexora (r=.674; p=.046), lateral derecha (r=.765; p=.016) e izquierda (r=.730; p=.026) de tronco. En conclusión, quienes practican slackline mantienen un tiempo mayor la prueba de la plancha y puente lateral izquierdo y logran un mayor alcance en ED inestable comparados con individuos IF que no lo practican.

Comparison of the effect of foot orthoses on Star Excursion Balance Test performance in patients with chronic ankle instability

2018 ◽  
Vol 43 (1) ◽  
pp. 6-11 ◽  
Author(s):  
Faezeh Abbasi ◽  
Mahmood bahramizadeh ◽  
Mohammad Hadadi
Keyword(s):  
Ankle Sprain ◽  
Ankle Instability ◽  
Dynamic Balance ◽  
Chronic Ankle Instability ◽  
Textured Surface ◽  
Foot Orthoses ◽  
Textured Surfaces ◽  
Balance Test ◽  
Star Excursion Balance Test ◽  
Foot Orthosis

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.

Hip and Trunk Muscle Activity During the Star Excursion Balance Test in Healthy Adults

2019 ◽  
Vol 28 (7) ◽  
pp. 682-691 ◽  
Author(s):  
Kunal Bhanot ◽  
Navpreet Kaur ◽  
Lori Thein Brody ◽  
Jennifer Bridges ◽  
David C. Berry ◽  
...  
Keyword(s):  
Dynamic Balance ◽  
Gluteus Maximus ◽  
Gluteus Medius ◽  
Healthy Adults ◽  
Rectus Abdominis ◽  
Erector Spinae ◽  
Trunk Muscles ◽  
Electromyographic Activity ◽  
Balance Test ◽  
External Oblique

Context:Dynamic balance is a measure of core stability. Deficits in the dynamic balance have been related to injuries in the athletic populations. The Star Excursion Balance Test (SEBT) is suggested to measure and improve dynamic balance when used as a rehabilitative tool.Objective:To determine the electromyographic activity of the hip and the trunk muscles during the SEBT.Design:Descriptive.Setting:University campus.Participants:Twenty-two healthy adults (11 males and 11 females; 23.3 [3.8] y, 170.3 [7.6] cm, 67.8 [10.3] kg, and 15.1% [5.0%] body fat).Intervention:Surface electromyographic data were collected on 22 healthy adults of the erector spinae, external oblique, and rectus abdominis bilaterally, and gluteus medius and gluteus maximus muscle of the stance leg. A 2-way repeated measures analysis of variance was used to determine the interaction between the percentage maximal voluntary isometric contraction (%MVIC) and the reach directions. The %MVIC for each muscle was compared across the 8 reach directions using the Sidak post hoc test withαat .05.Main Outcome Measures:%MVIC.Results:Significant differences were observed for all the 8 muscles. Highest electromyographic activity was found for the tested muscles in the following reach directions—ipsilateral external oblique (44.5% [38.4%]): anterolateral; contralateral external oblique (52.3% [40.8%]): medial; ipsilateral rectus abdominis (8% [6.6%]): anterior; contralateral rectus abdominis (8% [5.3%]): anteromedial; ipsilateral erector spinae (46.4% [20.2%]): posterolateral; contralateral erector spinae (33.5% [11.3%]): posteromedial; gluteus maximus (27.4% [11.7%]): posterior; and gluteus medius (54.6% [26.1%]): medial direction.Conclusions:Trunk and hip muscle activation was direction dependent during the SEBT. This information can be used during rehabilitation of the hip and the trunk muscles.

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.

EFFECT OF HAMSTRING TIGHTNESS ON DYNAMIC BALANCE IN YOUNG FEMALES AGED 19-25 YEARS

2021 ◽  
pp. 14-16
Author(s):  
Harsha Khilnani ◽  
Priti Mehendale (PT)
Keyword(s):  
Dynamic Balance ◽  
Knee Extension ◽  
P Value ◽  
Normal Body Mass Index ◽  
Balance Test ◽  
Cross Sectional ◽  
Young Females ◽  
Group A ◽  
Star Excursion Balance Test ◽  
Group B

Aim of the study- To compare the dynamic balance in young females with normal Body Mass Index (B.M.I.) with and without hamstring tightness. Method- It was a cross-sectional, comparative study. 22 young females were included in the study. Hamstring tightness was assessed using the Active Knee Extension (AKE) Test and based on the values; subjects were divided into 2 groups- Group A (with tightness) and Group B (without tightness). Star Excursion Balance Test (SEBT) was used to assess the dynamic balance in subjects from both groups. The data was analysed results were compared using appropriate statistical tools. The study showed that st Result- ar excursion balance test values were more in the group without tightness (p-value <0.0012) as compared to the group with tightness. Dynamic balance as Conclusion- measured by star excursion balance test is better in subjects without hamstring tightness as compared to subjects with hamstring tightness.

Erratum: Harkey et al (2014)

2015 ◽  
Vol 24 (2) ◽  
pp. 197
Keyword(s):  
Range Of Motion ◽  
Ankle Instability ◽  
Dynamic Balance ◽  
Chronic Ankle Instability ◽  
Correct Version ◽  
Balance Test ◽  
Neural Excitability ◽  
Joint Mobilization ◽  
Star Excursion Balance Test

In Table 2 in the article by Harkey M, McLeod M, Van Scoit A, et al, “The Immediate Effects of an Anterior-to-Posterior Talar Mobilization on Neural Excitability, Dorsiflexion Range of Motion, and Dynamic Balance in Patients With Chronic Ankle Instability,” in J Sport Rehabil. 23(4):351–359, the composite and anterior scores for the Star Excursion Balance Test in the joint-mobilization group were transposed. Printed here is the correct version of the table.

scholarly journals Comparison of Dynamic Balance in Football Players with and without Genu Varum Using Star Excursion Balance Test

2021 ◽  
Vol 11 (10) ◽  
pp. 34-40
Author(s):  
Nirbhay Shah ◽  
Anagha Palkar
Keyword(s):  
Knee Joint ◽  
Dynamic Balance ◽  
Football Players ◽  
Genu Varum ◽  
Balance Test ◽  
Significant Difference ◽  
Elite Level ◽  
Knee Deformity ◽  
Star Excursion Balance Test ◽  
Anterior Direction

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.

Developing the Positional Characteristics of a Dance-Specific Star Excursion Balance Test (dsSEBT)

2021 ◽  
Author(s):  
Samantha Beckman ◽  
James Brouner
Keyword(s):  
Error Score ◽  
Center Of Pressure ◽  
Dynamic Balance ◽  
Upper Body ◽  
Lower Reach ◽  
Balance Test ◽  
Time To Completion ◽  
Specific Protocol ◽  
Star Excursion Balance Test ◽  
Parallel Condition

Current dynamic balance tests do not sufficiently test all aspects of balance required for dancers in everyday training and performances. The aim of this study was to examine alterations to the Star Excursion Balance Test (SEBT) to ensure a more dance-specific protocol. Twenty-four healthy ballet and contemporary dancers (age: 22.21 ± 6.47 years) participated in completing five different variations of the SEBT. This research implemented upper-body restrictions commonly used in dance settings and tested the effects of two different foot positions, parallel and turned out, as well as two alternate balance surfaces, a foam balance pad and a firm yoga block. Reach distances (percent of limb length), center of pressure (COP, cm2), error scores, and time to completion were measured. Overall, the dance-specific upper body restrictions did not affect the dancer’s ability to reach maximally and achieve a successful trial as there were no significant differences between the original SEBT and the dance-specific SEBT parallel condition (p = 1.00). The foam and block conditions were found to be significantly more difficult due to lower reach distance values, higher COP values, and higher error score values when compared to the original, parallel, and turnout positions (p < 0.05). Lastly, it was discovered that 62.61% of all errors made were in the crossed side and crossed front spokes, suggesting these are the most difficult reach directions to accomplish. The variations used in the study will aid in developing a reliable dance-specific dynamic balance test.

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