Are there changes in postural regulation across the lifespan?

Schwesig, René; Fischer, David A.; Kluttig, Alexander

doi:10.3109/08990220.2013.779245

Cited by 18 publications

(34 citation statements)

References 32 publications

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“…All subjects were asked to stand erect on two force plates with ( Figure 1b) and without (Figure 1a) pads, as still as possible, but without rigidity, and to look at a fixed target (Schwesig et al 2013b). …”

Section: Methodsmentioning

confidence: 99%

“…The two force plates are oriented in a front open-angle of 30 (Schwesig et al 2013b). The parameters of motor output (Table II) frequency ranges has been shown to be indicative of abnormal function of postural subsystems.…”

Section: Methodsmentioning

confidence: 99%

“…Whereas the subjects were standing on elastic pads, which were placed on the force plates in the test positions PO and PC (Schwesig et al 2013b). The pads deteriorate the stand stability and thus reduce the influence of the somatosensory system (Friedrich et al 2008;Patel et al 2011).…”

Section: Methodsmentioning

confidence: 99%

“…The IBS consists of four independent force plates supporting the heels and forefeet in order to measure postural regulation (sampling rate: 32 Hz) (Schwesig et al 2013b). The two force plates are oriented in a front open-angle of 30 (Schwesig et al 2013b).…”

Section: Methodsmentioning

confidence: 99%

“…The IBS has been validated (Oppenheim et al 1999;Fukuoka et al 2001;Schwartz et al 2005;Friedrich et al 2008;Schwesig et al 2009a) and the data analysis is based on comprehensive (1724 asymptomatic subjects, 6-97 years) reference data (Schwesig et al 2013b). However, to date and to our knowledge, no reliability study (e.g., patients, asymptomatic subjects, athletes, children, adults, seniors) for IBS has been reported in the literature.…”

Section: Introductionmentioning

confidence: 98%

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Intraobserver reliability of posturography in healthy subjects

Schwesig¹,

Becker²,

Fischer³

2013

Somatosensory & Motor Research

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Reliability of posturography is essential for the identification of intervention effects in any setting (e.g., sport, rehabilitation). The purpose was to establish the intraobserver reliability of a posturographic method in asymptomatic subjects (n = 30). Intraclass correlation coefficients (relative reliability) for every parameter and all test positions (ALL(mean)) ranged from 0.78 (95% CI: 0.53-0.90) to 0.95 (95% CI: 0.89-0.97). Absolute reliability, quantified by using the coefficient of variation, ranged between 3.5 and 19.8. Reliability of single test positions is much lower. The posturographic system showed good relative and satisfactory absolute intraobserver reliability for ALL(mean).

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

See 3 more Smart Citations

Intraobserver reliability of posturography in healthy subjects

Schwesig¹,

Becker²,

Fischer³

2013

Somatosensory & Motor Research

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Posturale Regulation und Stabilität unter akustischem Input bei Normalhörenden

Seiwerth

Jonen

Rahne

et al. 2020

HNO

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Zusammenfassung Hintergrund Die Haltungsregulierung basiert auf komplexen Interaktionenmechanismen posturaler Subsysteme. Dabei scheint auch das Hören einen Einfluss auf die posturale Kontrolle auszuüben. Fragestellung Ziel der Arbeit war es, den Einfluss auditorischen Inputs auf die posturale Stabilität zu erfassen und unter Berücksichtigung subjektiver Aspekte Erkenntnisse über Interaktionsmechanismen zwischen auditorischem Input und posturalen Subsystemen zu erhalten. Material und Methoden Bei 30 gesunden, normalhörenden Probanden wurde mittels Interactive Balance System (IBS; Fa. neurodata GmbH, Wien, Österreich) in 8 Testpositionen die posturale Regulation und Stabilität jeweils in den Konditionen mit Geräusch (frontale Präsentation) und verblockt ohne Geräusch erfasst. Bei diesem elektrophysiologischen Messverfahren wird sowohl die posturale Kontrolle auf Produktebene (z. B. Stabilität, Gewichtsverteilung) wie auch mittels Fast-Fourier-Analyse des Kraft-Zeit-Verhältnisses die Arbeitsweise der posturalen Subsysteme auf Prozessebene (frequenzorientiert) erfasst. Ergebnisse Es zeigte sich auf Prozessebene in der Kondition mit Geräusch eine relevante (ηp2 ≥ 0,10) Reduktion der posturalen Regulation in den Frequenzbändern F1 (0,03–0,1 Hz, visuelles und nigrostriatales System; ηp2 = 0,122;) sowie F2–4 (0,1–0,5 Hz, peripher-vestibuläres System; ηp2 = 0,125). Auf Produktebene ergab sich im Parameter WDI (Gewichtsverteilungsindex) eine relevante Zunahme mit Geräusch (ηp2 = 0,159). Bei der posturalen Stabilität (Parameter: Stabilitätsindikator, ST) zeigte sich keine Änderung zwischen den beiden auditorischen Konditionen. Bezüglich der subjektiven Einschätzung des Einflusses auditorischer Inputs auf die Stabilität bestanden deutliche interindividuelle Schwankungen. Schlussfolgerung In dieser Studie wurde eine Umverteilung der Aktivität posturaler Subsysteme unter auditorischem Input nachgewiesen, während sich kein Unterschied hinsichtlich des Stabilitätsindikators (ST) zeigte. Daraus ergeben sich neue Erkenntnisse über Mechanismen audiovestibulärer Interaktion.

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Postural regulation and stability with acoustic input in normal-hearing subjects

Seiwerth

Jonen

Rahne

et al. 2020

HNO

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Background Postural regulation is based on complex interactions among postural subsystems. The auditory system too appears to have an influence on postural control. Objective The aim of this study was to measure the influence of auditory input on postural control and to gain a deeper understanding of the interactions between auditory input and postural subsystems including subjective aspects. Materials and methods In 30 healthy normal-hearing subjects, postural regulation and stability was measured with the Interactive Balance System (IBS; Inc. neurodata GmbH, Wien, Österreich) in 8 test positions with noise (frontal presentation) and plugged without noise. The IBS is an electrophysiological measurement device that measures postural control at the product level (e.g., stability, weight distribution) and the mechanisms of postural subsystems at the process level based on frequency-oriented fast-Fourier analysis of force–time relation. Results At the process level, we found a relevant reduction (η p 2 ≥ 0.10) of postural regulation with noise in the frequency bands F1 (visual and nigrostriatal system η p 2 = 0.122) and F2–4 (peripheral vestibular system η p 2 = 0.125). At the product level, the weight distribution index (WDI) parameter showed a relevant increase with noise (η p 2 = 0.159). No difference between the auditory conditions was found for postural stability (parameter: stability indicator, ST). Substantial interindividual variations in the subjective estimation of the influence of auditory inputs on stability were observed. Conclusion In this study, a shift in the activity of postural subsystems was observed with auditory input, while no difference was seen in ST. This leads to new insights into mechanisms of audiovestibular interaction.

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Are there changes in postural regulation across the lifespan?

Cited by 18 publications

References 32 publications

Intraobserver reliability of posturography in healthy subjects

Intraobserver reliability of posturography in healthy subjects

Posturale Regulation und Stabilität unter akustischem Input bei Normalhörenden

Postural regulation and stability with acoustic input in normal-hearing subjects

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