Measurement of balance in computer posturography: Comparison of methods-A brief review

Hans Chaudhry, Bruce Bukiet, Zhiming Ji, Thomas Findley

Research output: Contribution to journalArticlepeer-review

113 Scopus citations


Some symptoms related to disequilibrium may not be detected by a clinical exam. Therefore, objective study is important in assessing balance. In this paper, methods to measure balance in computer posturography are compared. Center of pressure (COP) displacement, equilibrium score (ES) and postural stability index (PSI), the main measures of assessing balance are described and their merits and disadvantages are discussed. Clinicians should apply that measure which suits the specific strategies in a specific situation. Measuring devices such as Force plate, Balance Master and Equitest are also discussed. Although the Balance Master and Equitest devices are more costly compared to the force plate only, they are more useful for assessing balance relevant to daily life activities that might result in falls.

Original languageEnglish (US)
Pages (from-to)82-91
Number of pages10
JournalJournal of Bodywork and Movement Therapies
Issue number1
StatePublished - Jan 2011

All Science Journal Classification (ASJC) codes

  • Complementary and Manual Therapy
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation
  • Complementary and alternative medicine


  • Balance
  • Comparison
  • Computer posturography
  • Methods


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