Validity and reliability of standing balance control measurement on the left unilateral spatial neglect model

Abdul C. Meidian; Song Yige; Syahmirza I.  Lesmana; Kazu  Amimoto

doi:10.20338/bjmb.v15i3.247

Validity and reliability of standing balance control measurement on the left unilateral spatial neglect model

Authors

Abdul C. Meidian Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Tokyo, Japan; Faculty of Physiotherapy, Esa Unggul University, Jakarta, Indonesia - achmeidian@gmail.com
Song Yige Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Tokyo, Japan
Syahmirza I. Lesmana Faculty of Physiotherapy, Esa Unggul University, Jakarta, Indonesia
Kazu Amimoto Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Tokyo, Japan

DOI:

https://doi.org/10.20338/bjmb.v15i3.247

Keywords:

Validity, Reliability, Standing balance control, Center of pressure, Unilateral spatial neglect, Healthy participants

Abstract

BACKGROUND: The present study developed a head-mounted display with the visual direction of a web camera modified to the right as a left unilateral spatial neglect (USN) model with respect to postural balance control.

AIM: We aimed to estimate the validity and reliability of center of pressure (CoP) measurements in static standing balance (SSB) and dynamic standing balance (DSB) of healthy participants were using the USN model and to examine whether this model's use influenced postural balance control.

METHOD: A portable CoP force plate was used to quantify postural balance control in 64 healthy participants as the model. The CoP displacement of the non-USN and USN models in the medial-lateral (ML) and anterior-posterior (AP) planes, CoP length, and bilateral load ratio in SSB and DSB to the right (R) and left (L) were evaluated.

RESULTS: Regression analysis indicated that most CoP measurements have excellent concurrent validity. Bland–Altman plots showed good agreement between the non-USN and USN models in the CoP measurements. Test-retest reliability estimation between two times measurements varied in the frontal and sagittal planes. A Comparison of the results demonstrated that the CoP-AP and CoP length changed (-1.40% and 7.67%, respectively) significantly in SSB (P<0.05). Moreover, the CoP-AP changed very significantly in DSB-R and DSB-L (-1.50% and 1.86%, respectively) in opposite directions (P<0.01) when the subjects performed as the model.

CONCLUSION: CoP measurements are valid and reliable to quantify standing balance control in both non-USN and USN models that appear to modulate changes in postural adaptation and adjustment.

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Published

2021-09-01

How to Cite

Meidian, A. C., Yige, S., Lesmana, S. I., & Amimoto, K. . (2021). Validity and reliability of standing balance control measurement on the left unilateral spatial neglect model. Brazilian Journal of Motor Behavior, 15(3), 167–179. https://doi.org/10.20338/bjmb.v15i3.247

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Issue

Vol. 15 No. 3 (2021)

Section

Research Articles

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