Effect of expertise in ballet dance on static and functional balance

Michalska, Justyna; Kamieniarz, Anna; Fredyk, Artur; Bacik, Bogdan; Juras, Grzegorz; Słomka, Kajetan J.

doi:10.1016/j.gaitpost.2018.05.034

Cited by 48 publications

(45 citation statements)

References 32 publications

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“…The results of our study also showed that the difference in the entropy values between ballet dancers and controls was not significant. Michalska et al [11] and Stins et al [19], who assessed sway patterns of ballet dancers in bipedal standing, presented increased values of sample entropy for ballet dancers, thus more automatized postural control. It seems that unipedal stance requires more attention (is less automatized) also in ballet dancers.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Michalska et al [11] reported that professional dancers had larger postural sway characteristics in comparison to the non-dancers while performing simple motor tasks. Visual information played an important role in the process of maintaining a stable position of the dancer’s body [11]. Simmons [12] found that dancers demonstrated better balance due to more consistent neuromuscular responses, higher proprioceptive sensitivity and they were also more consistent in muscle activation.…”

Section: Introductionmentioning

confidence: 99%

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Standing balance of professional ballet dancers and non-dancers under different conditions

et al. 2019

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Ballet training has been reported to positively influence balance ability. It is not entirely clear how improved balance ability manifests under standing conditions with different demands on postural control. The aim of the study was to compare balance of ballet dancers and non-dancers in a unipedal stance under different conditions. Twenty-five professional ballet dancers and twenty-five controls completed four unipedal standing balance tests: firm surface with eyes open and closed; foam mat surface with eyes open; and firm surface with eyes open immediately after performing ten 360° whole-body turns. The centre of pressure (COP) data were obtained with a force platform and the direction-specific standard deviations, velocities, and sample entropy of the COP displacement were computed. A three-way analysis of variance was used to compare groups, genders, and conditions. For standing immediately after performing ten turns, the postural sway parameters were significantly larger in the control group compared to the ballet dancers in both men and women. In this stance condition the values of postural sway and COP velocities in the control group were larger in the men compared to the women. For both genders in the control group all postural sway and COP velocity parameters were larger in standing with eyes closed and standing after performing 10 turns compared to standing with eyes open on both firm and foam surface. In the ballet dancers all COP velocity parameters were larger in standing with eyes closed compared to all other conditions. The results from the present study indicate that professional ballet dancers do not have a better general balance ability than untrained subjects.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Standing balance of professional ballet dancers and non-dancers under different conditions

et al. 2019

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“…In turn, as part of easy or reflex postural conditions experts could operate through slight postural adjustments. Moreover, postural strategies could be more automatic in expert athletes (Lamoth et al, 2009; Sawers et al, 2015; Michalska et al, 2018) while they would be more actively controlled in non-expert athletes.…”

Section: Postural Strategy and Sport Performancementioning

confidence: 99%

“…It is however important to note that certain physical activities such as dancing develop postural and motor strategies which are more visually-dependent (related to the fact that the environment is stable) than most other activities such team sports or sliding sports as mentioned above (Michalska et al, 2018). This is why the contribution of visual information does not decrease as the expertise level is increased in dancers.…”

Section: Postural Strategy and Sport Performancementioning

confidence: 99%

Relationship Between Sport Expertise and Postural Skills

Paillard

2019

Front. Psychol.

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The review addresses the relationship between sport expertise (i.e., sport competition level), postural performance (amount of motion of the center of mass/of pressure of foot or ability to preserve body balance), and postural strategy (geometric organization of different body segments as well as neurobiological involvement of organism). Since the conditions of postural evaluation are likely to influence results, the aim is to compare athletes at different competition levels in ecological postural conditions (specific postural conditions related to the sport practiced) and non-ecological postural conditions (decontextualized postural conditions in relation to the sport practiced). Evidence suggests that the most successful athletes in terms of sport competition level have the best postural performance both in ecological and non-ecological postural conditions. However, in non-ecological conditions, the postural tasks should be preferentially challenging or relatively close to the sport practice stance. Moreover, the most successful athletes also have more elaborate postural strategies compared with athletes at lower competition level. Mechanistic explanations as well as conceptual models are proposed to explain the role of different factors influencing the relationship between sport expertise and postural performance and strategy.

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Beyond rambling and trembling: effects of visual feedback on slow postural drift

2019

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We explored one of the unusual predictions of the concept of back-coupling within the theoretical scheme of the control of posture and movement with setting referent coordinates for the effectors. This concept implies slow drifts of referent coordinates toward actual coordinates leading to unintentional drift in performance. During standing, such slow drifts may lead to a protective step or even a fall and, therefore, corrections are expected leading to body sway at frequencies under 0.1 Hz. Young healthy subjects stood on the force platform quietly for 60 s under two single-task conditions, with eyes open and closed, and two double-task conditions, matching an irrelevant muscle activation signal to a target (MATCH) and performing a subtraction task. The latter was performed with eyes open and closed. The rambling-trembling decomposition was applied to the displacements of the center of pressure in the anterior-posterior direction. Spectral analysis was used to quantify power within typical ranges for Tr and Rm, as well as for a slow Rm component (under 0.1 Hz) addressed as Drift. Closing eyes led to a significant increase in Rm and Tr, but no effects on Drift. Drift increased significantly in the MATCH task with no changes in Rm and a drop in Tr. No effects of the subtraction task were seen on Drift. Overall, our findings suggest that unintentional slow drift of referent body orientation towards the actual body orientation leads to Drift, a specific example of back-coupling reflected in postural sway. This observation can be also seen as an example of physiological minimization of activity of motoneurons. Natural visual feedback is used to avoid the COP drift and/or correct it quickly and effectively; this ability is compromised when vision is used for an unrelated task.

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Effect of expertise in ballet dance on static and functional balance

Cited by 48 publications

References 32 publications

Standing balance of professional ballet dancers and non-dancers under different conditions

Standing balance of professional ballet dancers and non-dancers under different conditions

Relationship Between Sport Expertise and Postural Skills

Beyond rambling and trembling: effects of visual feedback on slow postural drift

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