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Equilibrium and Balance

Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...

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Related Experiment Video

Updated: Mar 6, 2026

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Postural Control in Deaf Children.

Amir-Abbas Ebrahimi¹, Guita Movallali², Ali-Ashraf Jamshidi³

¹Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.

Acta Medica Iranica

|March 12, 2017

Summary

This summary is machine-generated.

The Synapsys Posturography System (SPS) reliably assesses static balance in children aged 7-12. Deaf children exhibit poorer postural control than typically developing peers, highlighting the need for early intervention.

Keywords:

Balance Deaf children Postural control Sensory organization test

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Area of Science:

Pediatrics
Audiology
Biomechanics

Background:

Static postural control is crucial for daily activities.
Children with profound sensorineural hearing loss (SNHL) may experience balance deficits.
Objective assessment tools are needed to evaluate postural control in pediatric populations.

Purpose of the Study:

To determine the test-retest reliability of the Synapsys Posturography System (SPS) for static balance evaluation in children.
To compare the static postural control of deaf children with that of typically developing children.

Main Methods:

A cross-sectional study involving 81 children aged 7-12 years in Tehran.
Phase 1: Reliability testing of SPS on 12 typically developing children (test-retest).
Phase 2: Sensory organization test evaluation comparing 30 deaf children (SNHL) with 37 typically developing children.

Main Results:

SPS demonstrated moderate to excellent test-retest reliability (ICC 0.68-0.94) across sensory conditions.
Typically developing children showed significantly better performance in center of pressure displacement, limits of stability, and overall balance scores compared to deaf children (P<0.05).
Deaf children exhibited lower static postural control across all sensory conditions.

Conclusions:

The Synapsys Posturography System (SPS) is a reliable tool for assessing static posture in children aged 7-12 years.
Deaf children have impaired static postural control compared to their typically developing peers.
Early identification and intervention for balance deficits in deaf children are recommended.