Evaluation of Clinical Measures of Equilibrium

El-Kashlan, Hussam K.; Shepard, Neil T.; Asher, Anna Marie; Smith-Wheelock, Michael; Telian, Steven A.

doi:10.1097/00005537-199803000-00002

Cited by 116 publications

(63 citation statements)

References 26 publications

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“…That study showed a significant learning effect in healthy subjects up to the 3rd or 4th VFP sessions, which is not suitable for a follow-up measure due to the difficulty in distinguishing between learning and rehabilitation effects among patients. El-Kashlan et al [3] did not find any improvement in dizzy patients after 3 months of VBRP using a SL of 75% in the VFP. An explanation for this may be that the SL level they used was too high for dizzy patients, since their other measures of postural control improved significantly.…”

Section: Discussionmentioning

confidence: 89%

“…The center point of these forces (CPF) can be calculated, and its short time average corresponds approximately to the position of the center of gravity (COG) and the visible body sway [2]. Due to its low specificity to localize vestibular lesions [3][4][5][6] posturography has been mainly used to follow the progress in the vestibular and balance rehabilitation program (VHRP). Dynamic posturography has also been proposed to be able to differentiate abnormal afferent information by measuring postural stability during various sensory conflicting test conditions [7].…”

Section: Introductionmentioning

confidence: 99%

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Postural Control Measured by Visual Feedback Posturography

Hirvonen

Hirvonen²,

Aalto³

2002

ORL

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The objective was to study the applicability and repeatability of visual feedback posturography (VFP) in assessing postural control of 23 healthy subjects. The subjects had to move their center of gravity (COG) marker on a computer screen to chosen targets by leaning their body on the platform, and the accuracy, velocity, and side difference of these movements were measured. The intraclass correlation coefficients for all parameters during repeated tests were significant (r = 0.93–0.96; p < 0.01). Hold percentage within the targets and COG marker velocity to the targets did not change significantly during repeated tests. Balance index and hit delay were significantly smaller during the 4th and 5th than during the 1st test session (p < 0.05), but they did not change significantly between the other test sessions. The normative limit for side difference in postural control was 22%. VFP can be used to follow active postural control due to its high test-retest repeatability. However, learning effects in some parameters must be taken into account when applying VFP repeatedly in different patient populations to assess the progress in postural control.

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Section: Discussionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Postural Control Measured by Visual Feedback Posturography

Hirvonen

Hirvonen²,

Aalto³

2002

ORL

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“…Computerized dynamic posturography, a standard diagnostic test of balance function, was the outcome measurement. [44][45][46][47][48][49] Balance was tested using a three-component force platform (CAPS) with eyes closed on a perturbing surface, the single test that best correlates with balance impairment and falls. The stability score 12,18,50 was used as the primary outcome measure.…”

Section: Methodsmentioning

confidence: 99%

Posturographic Changes Associated with Music Listening

Frederick

Oggero

Pagnacco

2007

The Journal of Alternative and Complementary Medicine

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Objectives: The aim of this study was to ascertain whether listening to music might cause changes in human stability and be useful in fall prevention and rehabilitation. The aim was also to find what percentage of subjects without neurologic signs or symptoms associated with falling had less than ideal stability.Design: Computer dynamic posturography (CDP) provided stability scores in 266 subjects without a history of falls or vertigo. Subjects were randomized into several different music listening groups and one control group. The music listening groups were given a daily specific music listening task and CDP was obtained 10 minutes, 1 week, and 1 month after the subject's treatment in a blinded fashion.Results: Tests of postural stability have shown that 73% of 266 subjects without neurologic signs or symptoms were found to have balance abnormalities associated with an increased probability of falling. We have demonstrated positive changes in stability scores in these subjects who underwent a variety of music listening tasks, with the music of Nolwenn Leroy found to be significantly superior to other music tested.Conclusions: Listening to certain types of music has the potential to change human stability and promote change in the field of fall prevention and rehabilitation with a potential to decrease disability. 519

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“…Current methods for assessing sensori-motor function are based on the analyses of data collected across differing biomechanical tests, such as Static Centre of Pressure (COP) Measurement [7,8], Dynamic Posturography [9,10], electromyography (EMG) and motion capture [11,12]. These tests are often contradictory [13,14].…”

Section: Introductionmentioning

confidence: 99%

Development of a novel platform for quantifying age-related sensori-motor degradation to control age-related falls

Shan

Zhang

2013

Modelling in Medicine and Biology X

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As the population ages, falls are becoming a major health problem, not only for those with some degree of balance/mobility impairment, but also among healthy active seniors. Previous studies suggest that the degradation of human sensorimotor function related to age contributes to falls. The aim of this research was to develop a practical solution for quantifying the age-related sensori-motor degradation. Therefore, a new testing apparatus, the Dynamic Balance Testing Platform (DBTP), was developed for quantifying sensori-motor decline using Artificial Neural Network (ANN) modeling. The DBTP consists of two layersan immobile base and a mobile perturbation layer. The perturbation layer is balanced on a single center pivot; each of the four corners is supported by an air cylinder, with vertically downwards by a maximum of 2.5 cm. The platform was designed to reflect the natural oscillations in a subject's center of gravity (COG). Shifts in COG positions altered the load on each of the four supporting air cylinders, leading to measurable vertical displacements. The DBTP captures the subject's ability to balance dynamically on a single point of support. An ANN model, trained by 60 subjects' data (age: 18-65+), was developed for the DBTP. Seniors with and without Tai-Chi training were used to contrast any influence from Tai-Chi on the sensori-motor aging. The result demonstrated that Tai-Chi slowed down the effects of sensori-motor aging. This study validated that DBTP is a feasible tool in aging exercise studies.

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Evaluation of Clinical Measures of Equilibrium

Abstract: Simple clinical measures of static and dynamic equilibrium can reliably distinguish vestibular disorder patients from normal subjects. Dynamic posturography continues to play an important role in the functional evaluation and management of vestibular disorder patients.

Cited by 116 publications

References 26 publications

Postural Control Measured by Visual Feedback Posturography

Postural Control Measured by Visual Feedback Posturography

Posturographic Changes Associated with Music Listening

Development of a novel platform for quantifying age-related sensori-motor degradation to control age-related falls

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