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Agreement of Three Posturographic Force Plates in the Assessment of Postural Stability

Author

Listed:
  • Piotr Matłosz

    (Institute of Physical Culture Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Justyna Wyszyńska

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Justyna Podgórska-Bednarz

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Justyna Leszczak

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Maciej Rachwał

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Krzysztof Przednowek

    (Institute of Physical Culture Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Justyna Drzał-Grabiec

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Katarzyna Walicka-Cupryś

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Mariusz Drużbicki

    (Institute of Health Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

  • Emilian Zadarko

    (Institute of Physical Culture Sciences, Medical College of Rzeszów University, Rzeszów University, 35-959 Rzeszów, Podkarpacie, Poland)

Abstract

This study was designed to assess how the results obtained for three different posturographic platforms agreed with each other in an assessment of static postural stability. The study included 111 young healthy participants. A measurement of postural stability was made for each participant, with their eyes open and then closed, on each platform in a random order. The Romberg ratio, path length, and center of pressure (COP) area were analyzed. For all measures, significant differences ( p < 0.05) were observed among the three force plates. The highest Spearman's rank correlation was observed between Alfa vs. CQStab2P (0.20 to 0.38), and the lowest between Alfa vs. AccuGait (−0.19 to 0.09). Similar results were obtained for the concordance correlation coefficient (0.10 to 0.22 for Alfa vs. CQStab2P and −0.6 to 0.02 for Alfa vs. AccuGait). Bland–Altman analysis for values standardized (z-scores) against AccuGait indicated a low level of agreement between compared platforms, with the largest error between AccuGait vs. Alfa, and a slightly lower error between AccuGait vs. CQStab2P or Alfa vs. CQStab2P. The 95% limits of agreement ranged from 2.38 to 7.16 (Alfa vs. AccuGait), 2.09 to 5.69 (CQStab2P vs. AccuGait), and 1.39 to 7.44 (AccuGait vs. Alfa) in COP length with eyes open and COP length Romberg ratio, respectively. Special care is recommended when comparing values relating to COPs from different devices that are analyzed by different software. Moreover, unperturbed stance tests among young healthy adults can be questioned as a valid postural control parameter.

Suggested Citation

  • Piotr Matłosz & Justyna Wyszyńska & Justyna Podgórska-Bednarz & Justyna Leszczak & Maciej Rachwał & Krzysztof Przednowek & Justyna Drzał-Grabiec & Katarzyna Walicka-Cupryś & Mariusz Drużbicki & Emilia, 2020. "Agreement of Three Posturographic Force Plates in the Assessment of Postural Stability," IJERPH, MDPI, vol. 17(9), pages 1-10, May.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:9:p:3188-:d:353799
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    Citations

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    Cited by:

    1. Katarzyna Walicka-Cupryś & Maciej Rachwał & Agnieszka Guzik & Paweł Piwoński, 2022. "Body Balance of Children and Youths with Visual Impairment (Pilot Study)," IJERPH, MDPI, vol. 19(17), pages 1-11, September.
    2. Michalina Czarnota & Katarzyna Walicka-Cupryś, 2022. "Is There Influence of Gender and the Specificity of Sports Activities on the Performance of Body Balance in Young Athletes?," IJERPH, MDPI, vol. 19(22), pages 1-11, November.

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