Analysis of sensory system aspects of postural stability during quiet standing in adolescent idiopathic scoliosis patients.

Publisher: BioMed Central Country of Publication: England NLM ID: 101232233 Publication Model: Electronic Cited Medium: Internet ISSN: 1743-0003 (Electronic) Linking ISSN: 17430003 NLM ISO Abbreviation: J Neuroeng Rehabil

Original Publication: [London] : BioMed Central, 2004-

Standing Position*; Postural Balance/*physiology ; Scoliosis/*physiopathology; Adolescent ; Biomechanical Phenomena ; Female ; Humans ; Male

Background: The aim of this study was to quantitatively analyze quite standing postural stability of adolescent idiopathic scoliosis (AIS) patients in respect to three sensory systems (visual, vestibular, and somatosensory).
Method: In this study, we analyzed the anterior-posterior center of pressure (CoP) signal using discrete wavelet transform (DWT) between AIS patients (n = 32) and normal controls (n = 25) during quiet standing.
Result: The energy rate (∆E EYE %) of the CoP signal was significantly higher in the AIS group than that in the control group at levels corresponding to vestibular and somatosensory systems (p < 0.01).
Conclusions: This implies that AIS patients use strategies to compensate for possible head position changes and spinal asymmetry caused by morphological deformations of the spine through vestibular and somatosensory systems. This could be interpreted that such compensation could help them maintain postural stability during quiet standing. The interpretation of CoP signal during quiet standing in AIS patients will improve our understanding of changes in physical exercise ability due to morphological deformity of the spine. This result is useful for evaluating postural stability before and after treatments (spinal fusion, bracing, rehabilitation, and so on).

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Keywords: Adolescent idiopathic scoliosis (AIS); Balance; Discrete wavelet transform (DWT); Postural stability; Sensory system; Somatosensory; Vestibular; Visual

Date Created: 20180623 Date Completed: 20190807 Latest Revision: 20190807

20221213

PMC6013903

10.1186/s12984-018-0395-6

29929530