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Pickerill, M.L. and Harter, R.A. (2011) Validity and Reliability of Limits-of-stability Testing: A Comparison of 2 Postural Stability Evaluation Devices. Journal of Athletic Training, 46, 600-606.
https://doi.org/10.4085/1062-6050-46.6.600

has been cited by the following article:

  • TITLE: The Reliability and Validity of Sitting Balance Control Tests in Stroke Survivors

    AUTHORS: X. L. Li, Gary K. C. Lau, Carmen K. M. Lo, Sally H. L. Wong, H. T. Zhuo, William W. N. Tsang

    KEYWORDS: Sitting Balance, Stroke, Reliability, Validity

    JOURNAL NAME: Yangtze Medicine, Vol.1 No.1, March 30, 2017

    ABSTRACT: The purpose of this cross-sectional study was to investigate the reliability and validity of two sitting balance tests, namely limits of stability test (LOS) and sequential weight shifting test (SWS) in stroke survivors. Eleven community-dwelling stroke survivors with onset for at least two years (mean time since stroke = 8.0 years (SD 4.0)) and fifteen healthy subjects were recruited. Reaction time, maximum excursion, directional control of LOS, and total movement time and directional control of SWS were measured. Modified Function Reach Test (MFRT) and Trunk Impairment Scale (TIS) were also conducted to correlate with LOS and SWS. Result demonstrated excellent test-retest reliability in reaction time (ICC [3,8] = 0.760) and maximum excursion (ICC [3,8] = 0.929) of LOS and total movement time of SWS (ICC [3,3] = 0.864) in stroke survivors. Known groups validity was only shown in reaction time of LOS (p = 0.039) between the two groups. Reaction time of LOS of stroke subjects was significantly correlated with MFRT (r = −0.684, p = 0.020), while directional control of LOS was significantly correlated with the dynamic sitting balance score (r = 0.846, p = 0.001) and total score (r = 0.817, p = 0.002) of TIS. For SWS, total movement time was significantly correlated with dynamic sitting balance score of TIS (r = −0.654, p = 0.029). In conclusion, moderate to excellent test-retest reliability was found in LOS and SWS tests in stroke survivors. The convergence and discrimination perspectives of construct validity were established. Further study with a larger sample size and in a frailer stroke population is warranted.