Quantification of the development of trunk control in healthy infants using inertial measurement units

Janneke Blok, Katherine L. Poggensee*, Daniel Lemus, Manon Kok, Robert F. Pangalila, Heike Vallery, Jolien Deferme, Leontien Toussaint-Duyster, Herwin Horemans

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

Trunk motor control is essential for the proper functioning of the upper extremities and is an important predictor of gait capacity in children with delayed development. Early diagnosis and intervention could increase the trunk motor capabilities in later life, but current tools used to assess the level of trunk motor control are largely subjective and many lack the sensitivity to accurately monitor development and the effects of therapy. Inertial measurement units could yield an objective quantitative assessment that is inexpensive and easy-to-implement. We hypothesized that root mean square of jerk, a proxy for movement smoothness, could be used to distinguish age and thereby presumed motor development. We attached a sensor to the trunks of six young children with no known developmental deficits. Root mean square of jerk decreases with age, up to 24 months, and is correlated to a more established method, i.e., center-of-pressure velocity, as well as other standard inertial measurement unit outputs. This metric therefore shows potential as a method to differentiate trunk motor control levels.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Rehabilitation Robotics, ICORR 2022
PublisherIEEE
Number of pages6
ISBN (Electronic)978-1-6654-8829-7
DOIs
Publication statusPublished - 2022
Event2022 International Conference on Rehabilitation Robotics, ICORR 2022 - Rotterdam, Netherlands
Duration: 25 Jul 202229 Jul 2022

Conference

Conference2022 International Conference on Rehabilitation Robotics, ICORR 2022
Country/TerritoryNetherlands
CityRotterdam
Period25/07/2229/07/22

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • Motor drives
  • Pediatrics
  • Measurement units
  • Sensitivity
  • Medical treatment
  • Inertial navigation
  • Robot sensing systems

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