[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.21598/JKPNFA.2018.16.3.405

The Test-Retest Reliability and Criterion-Related Validity of a Trunk Stability Robot When Measuring Static Sitting and Standing Symmetry in Stroke Patients

An, Seung-Heon (Department of Physical Therapy, National Rehabilitation Center)
Kim, Dong-Hoon (Department of Physical Therapy, Bundang Jesaeng Hospital)
Jang, Young-Min (Department of Physical Therapy, National Rehabilitation Center)

Publication Information

PNF and Movement / v.16, no.3, 2018 , pp. 405-414 More about this Journal

Abstract

Purpose: The purpose of this study was to examine test-retest reliability and criterion-related validity of a trunk stability robot when measuring the weight-bearing symmetry static sitting and standing in stroke patients. Methods: For 27 stroke patients, weight-bearing symmetry was assessed twice, 7 days apart. The intraclass correlation coefficient (ICC2,1) and minimal detectable change (MDC) were used to examine the level of agreement between test and retest. The criterion-related validity of weight -bearing symmetry was demonstrated by Spearman correlation of modified Barthel index (MBI), the sit to stand test (STS), the timed up & go Test (TUG), and the function in sitting test (FIST). Results: the test-retest agreements were excellent for the weight-bearing symmetry of static sitting (ICC2,1: 0.90) and standing (ICC2,1: 0.89). It all showed that the acceptable MDC for the weight-bearing symmetry of static sitting and standing was 0.11 and 0.16, respectively (highest possible score<20 %), indicating that the measures had a small and acceptable degree of measurement error. The weight-bearing symmetry of static sitting was significantly correlated with the TUG(r=-0.45) and FIST(r=0.46)(p<0.05); the weight-bearing symmetry of static standing was also significantly correlated with MBI (r=0.65), TUG (r=-0.67), FIST (r=0.61)(p<0.01), and STS (r=-0.47)(p<0.05). Conclusion: The weight-bearing symmetry of static sitting and standing assessed by the trunk stability robot showed highly sufficient test-retest agreement and mild-to-moderate validity. It could also be useful for clinicians and researchers to evaluate balance performance and monitor functional change in stroke patients.

Keywords

Balance; Stroke; Trunk control; Weight-bearing symmetry;

Citations & Related Records

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