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. 2013 Apr 15:10:37.
doi: 10.1186/1743-0003-10-37.

Demonstration of posturographic parameters of squat-stand activity in hemiparetic patients on a new multi-utility balance assessing and training system

Rong-Rong Lu, Fang Li, Yi Wu, Yong-Shan Hu, Xiu-Lin Xu, Ren-Lin Zou, Xiu-Fang Hu

Demonstration of posturographic parameters of squat-stand activity in hemiparetic patients on a new multi-utility balance assessing and training system

Rong-Rong Lu et al. J Neuroeng Rehabil. .

Abstract

Background: Quantitative evaluation of position control ability in stroke patients is needed. Here we report a demonstration of position control ability assessment and test-retest reliability during squat-stand activity on a new system in hemiparetic patients and controls.

Methods: Sixty-two healthy adults and thirty-four hemiparetics were enrolled.

Results: During partial weight support, the ICCs ranged from 0.77 to 0.91, which indicated a good reliability. During standard weight bearing and resistance, the ICCs varied from 0.64 to 0.86 and 0.54 to 0.84, respectively, indicating a fair reliability. Compared with the healthy adults, the stroke patients demonstrated poorer position control ability.

Conclusions: The posturography of the squat-stand activity is a new and reliable measurement tool for position control. According to the methods proposed here, hemiparetics can be differentiated from healthy adults using the squat-stand activity. This activity will provide a new evaluation tool and therapy with visual feedback for the stroke patients.

Trial registration: Chinese clinical trial registry, ChiCTR-TRC-10000863.

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Figures

Figure 1
Figure 1
Design overview of the newly invented MUBATS. A. Three-dimensional graphic of the MUBATS. B. Photograph of the MUBATS. C. Sketch designating each component of the MUBATS. The main components are the (a) monitor for patients, (b) training bed, and (c) computer for clinician. The subcomponents are as follows: 1-base; 2 and 3-linear stepper motors; 4-block feet retractable caster; 5-casters handle; 6-connecting shaft; 7-control box; 8-angle display; 9-bed frame; 10-back board; 11-leg support; 12-pedal; 13-pedal bracket; 14-patient monitor; 1 5-casters; 16-bed hoister; and 17-computer.
Figure 2
Figure 2
Force data collection scheme in the MUBATS. A. Dual platform with separate left and right pedals enabling reacting forces to be evaluated independently on each side. Each pedal has two pressure sensors (black spots). B. Plantar pressure testing device.
See this image and copyright information in PMC

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