Assessing standing balance with MOTI: a validation study

Þorvaldur Skúli Pálsson, Malik Gaardbo, Christian Mikkelsen, Rogerio Pessoto Hirata*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review


This study aimed to determine the validity and reliability of a new device called MOTI for measuring balance by comparing its performance that with of the gold-standard force platform. The study involved collecting data from both devices in dual- and single-leg standing positions with eyes open and closed and using statistical measures to compare their performance. The results showed that MOTI can accurately measure balance during dual-leg standing tasks but has poor to moderate performance during single-leg standing tasks. However, it could detect small changes in postural sway caused by a reduced base of support and/or visual feedback. The study also found that the test-retest reliability was poor to moderate for both devices. These findings suggest that MOTI has potential as a reliable tool for measuring balance during certain tasks, but further research is needed to improve its performance during single-leg standing. This study provides valuable insights into the validity and reliability of MOTI for measuring balance and highlights the need for further investigation.

Original languageEnglish
JournalBiomedizinische Technik
Publication statusE-pub ahead of print - 4 Dec 2023

Bibliographical note

© 2023 Walter de Gruyter GmbH, Berlin/Boston.


  • accelerometer
  • balance assessment
  • postural control
  • validation


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