Short-Term Repeatability of Stabilometric Assessments

Nicola Lovecchio, Matteo Zago, Laura Perucca, Chiarella Sforza

Research output: Contribution to journalArticle

Abstract

The authors evaluated the short-term (within-day, between-days) repeatability of center of pressure (COP) displacements. COP sway area and speed were obtained in the morning and afternoon of two separate days, both with open (EO) and closed (EC) eyes, in 10 healthy adults. Agreement and variability among conditions were tested by ANOVA and Bland-Altman plots. Mode (EO/EC, area: p = .032; speed: p <.004), and day (day1/day2, area: p = .006; speed: p = .02) showed significant differences. The EC condition and the second test day showed the largest values, with medium-large effect sizes. Time-of-day did not influence COP displacements. Speed had better agreement than area (Bland-Altman plots). COP displacements were well reproducible within-day, but had significant between-days variations. COP assessments should be performed in the same session.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Motor Behavior
DOIs
Publication statusAccepted/In press - Jun 21 2016

Keywords

  • balance
  • COP
  • repeatability
  • sway

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Biophysics
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology

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